Free AI Tools, by Category
Every tool on this page has a genuine free tier, not a time-limited trial that expires after a week. That's a meaningful chunk of this directory: 359 of the 457 tools we track offer a free plan you can use indefinitely, usually with a daily or monthly cap. A free tier is not the same as unlimited. Expect an older or slower model, capped generations, or a smaller context window than the paid plan. If a tool matters enough that you keep hitting its free-tier ceiling, that's usually the signal it's worth paying for.
What to check before you rely on a free tier
- A free tier with no listed cap almost always has a hidden one: credits, daily messages, or resolution limits. Check the tool's own pricing page before building a workflow around it.
- Free tiers on newer or smaller tools sometimes run the same model as the paid plan, while big-name assistants usually gate the free tier to an older or slower model.
- If a free tool asks for a credit card upfront, that's a trial, not a genuine free tier. Read the fine print.
Best AI Chatbots & Assistants See all →
CChatGPTOpenAI's general-purpose assistant for writing, research, images, voice, and coding in one chat.
CClaudeAnthropic's long-context assistant for writing, research, and Claude Code in the terminal.
GGeminiGoogle's assistant across Search, Workspace, and Android — paid plans are Google AI Plus, Pro, and Ultra.
GGrokReal-time, X-integrated conversational AI from xAI.
DDeepSeekOpen-weight model family with a free, fast chat interface.
MMeta AIAssistant built into Instagram, WhatsApp, and Messenger.
PPiA conversational companion tuned for supportive, personal chat.
CCharacter.AIChat with millions of user-created AI characters for roleplay and creative fiction.
YYou.comSearch-native chat assistant with live web results and agents.
QQwenAlibaba's open-weight LLM family, available as a free chat assistant or self-hosted models.
KKimiA long-context AI assistant from Moonshot AI, built for deep research, writing, and agentic tasks.
ZZ.aiZhipu AI's international chat and API brand for its open-weight GLM model family.
DDoubaoByteDance's consumer assistant — free chat stays; 专业版 starts at ¥68/month for 5× quota and Doubao 2.1 Pro office tasks.
EERNIE BotBaidu's conversational AI assistant, built on its ERNIE large language model family.
TTencent YuanbaoTencent's free AI assistant, built on Hunyuan and DeepSeek models, integrated with WeChat.
MMonicaAll-in-one AI assistant that follows you across every website and app.
MMerlinA ChatGPT-style assistant on every website, via a browser shortcut.
SSenseChatSenseTime's AI chat assistant built on the SenseNova model.
3360 Zhinao360's AI assistant and model platform for chat, search, and reading.
TTiangong AIKunlun Tech's AI assistant for chat, AI search, and deep research.
IiFlytek SparkiFlytek's Spark large-model assistant for chat, writing, and code.
GGreenPTA ChatGPT-style AI assistant hosted entirely on renewable-powered EU infrastructure that never trains on user conversations.
Best AI Search & Research Tools See all →
PPerplexitySearch-first answers with citations by default — not a general chat that sometimes browses.
EElicitAI research assistant for finding and reading papers.
CConsensusSearch engine that answers from peer-reviewed studies.
SSciteCitation analysis to see how papers support or contradict.
EExaSearch API built specifically for AI applications.
PPhindAI search engine tuned for developer questions.
GGensparkAuto-generated research pages from a single query.
MMetasoAd-free Chinese AI search engine with cited, structured answers.
FFeloA multilingual AI search and creation platform that answers questions across languages and turns research into slides, documents, and images.
NNoteGPTAI learning assistant that turns YouTube videos, PDFs, and audio into summaries, transcripts, mind maps, and slides.
AAnaraAI research assistant (formerly Unriddle) for uploading, understanding, and getting cited answers from complex documents.
AAnswerThisAI research assistant for literature search, systematic reviews, and citation-backed academic writing across 250M+ papers.
GGlaspSocial web and PDF highlighter that turns saved passages from articles, PDFs, YouTube, and Kindle into a personal AI memory.
NNotebookLMGoogle's source-grounded AI research assistant that answers only from documents you upload, with audio/video overviews and citations.
OOpenReadAI research platform for searching, summarizing, comparing, and chatting with academic papers across 20,000+ journals.
OOtioAI research workspace for hundreds of sources at once, with every major AI model and page-level citations on every plan.
PPaperguideAI research workspace that finds, reads, and synthesizes scientific papers into cited literature reviews and systematic reviews.
Best AI Coding Tools & Assistants See all →
CCursorA VS Code fork where chat, multi-file edits, and agents are the editor — not a plugin.
GGitHub CopilotInline completions in the editor you already use, plus chat and agents billed with GitHub AI Credits.
LLovablePrompt-to-app builder for full-stack web projects.
RReplitBrowser IDE with AI app generation and hosting.
Vv0Prompt-to-UI generator built by Vercel.
WWindsurfAgentic IDE with flow-based multi-file editing.
BBolt.newFull-stack apps generated and deployed from a prompt.
CCodeiumFree AI autocomplete and chat for most editors.
DDevinAn autonomous AI software engineer that plans, codes, and ships tasks end to end.
AAskCodiAI coding assistant for generating, explaining, and documenting code.
JJamGPTAI debugging assistant that suggests fixes from captured bug reports.
BBlackbox AIAI coding assistant and chat with code search, autocomplete, and agents.
CCodeGeeXFree multilingual AI coding assistant with an IDE plugin.
TTabninePrivacy-first AI code completion that can run on your own infrastructure.
CCodiumAIAI code integrity: generate tests, review PRs, and catch bugs (now Qodo).
WWarpA modern, AI-powered terminal with agents that run and fix commands.
LLocofyTurn Figma designs into production front-end code.
CCodeWhispererAmazon's AI coding companion, now part of Amazon Q Developer.
TTraeAn AI-native IDE with an agent that builds features alongside you.
IImgcookConvert design files into front-end code automatically.
FFrontyConvert an image or design into clean HTML and CSS code.
AaiXcoderAI code completion with a privacy-focused, locally runnable model.
CCodigaReal-time static code analysis and automated code review (now Datadog).
MMarsXA dev tool uniting AI, no-code, code, and reusable micro-apps.
TTongyi LingmaAlibaba Cloud's AI coding assistant powered by the Qwen models.
CCode RaccoonSenseTime's AI programming assistant across 100+ languages.
MMiaodaBaidu's no-code AI app builder that turns ideas into apps.
DDeepSeek HarnessDeepSeek's open-source, plugin-based coding agent harness.
BBase44Chat your way to a full-stack app: frontend, backend, database, and auth included.
CCodeRabbitAn AI reviewer that leaves line-by-line comments on every pull request before a human looks at it.
GGDevelopOpen-source no-code game engine with a built-in AI that can build game mechanics for you.
KKiroAWS's agentic IDE that turns a prompt into specs, architecture, code, and tests before you write a line.
LLangflowDrag-and-drop visual builder for LLM agents, RAG pipelines, and MCP servers - no boilerplate required.
AAnythingDescribe an app in plain English and get a working React web app or Expo mobile app - backend, database, auth, and hosting included.
NNoqaAn AI agent that tests your mobile app or game like a real user - and can run whole test suites in the cloud.
VVulnHunterCapital One's open-source, agentic AI security scanner that proves which code vulnerabilities are actually exploitable.
Best AI Image Generators & Design Tools See all →
RRecraftAI image generation with clean, editable vector output.
IIdeogramAI image generation with reliable, readable text rendering.
AAdobe FireflyAdobe's generative layer — unlimited standard image/vector on paid Firefly plans, credits for premium video and partner models.
CCanva AIImage generation built into an easy design canvas.
OOpenArtModel and workflow gallery for AI art generation.
CCivitaiCommunity hub for Stable Diffusion models and LoRAs.
LLeonardo.AiFine-tuned models for game and product art.
SStable DiffusionThe open-weight text-to-image model that powers most of the AI art ecosystem.
DDreaminaByteDance's all-in-one image and video generator, tightly integrated with CapCut.
LLiblibAIA Chinese AI image and video model community with one-click access to hundreds of fine-tuned checkpoints.
NNightCafeCommunity-driven AI art generator with multiple models and daily free credits.
AArtbreederCreate and remix images by blending and 'breeding' them into new variations.
KKreaReal-time AI image generation, upscaling, and enhancement for creatives.
PPhotoRoomAI photo editor for instant background removal and studio-quality product shots.
UUizardTurn text prompts or sketches into UI mockups and clickable prototypes.
AArtflowCreate custom characters, portraits, and AI story videos.
CCutout.ProAI photo and video toolkit for background removal, upscaling, and retouching.
GGetimgAll-in-one AI image suite: generate, edit, upscale, and run many models.
PPaletteAI colorization that adds realistic color to black-and-white photos.
BBing Image CreatorFree DALL-E-powered image generation built into Bing and Copilot.
AAutoDrawGoogle's free tool that turns rough doodles into clean icons and drawings.
CCleanup.picturesRemove objects, people, and text from photos with a quick brush.
CClippingMagicPrecise background removal with hands-on manual refinement.
EErase.bgFree automatic background removal for images at high resolution.
BBigJPGAI image upscaler that enlarges photos and anime art without blur.
UUpscaylFree, open-source desktop app that upscales images with AI, offline.
PPicWishAI photo toolkit for background removal, enhancement, and retouching.
SSnapEditAI photo editor to remove objects, backgrounds, and enhance images.
SSlazzerAutomatic background removal for images with a developer API.
SSpline AIDesign 3D scenes in the browser, with AI to generate objects and textures.
HHuemintAI color-palette generator for brands, logos, and graphics.
VVizcomTurn product-design sketches into rendered concepts in seconds.
KKhromaAI color tool that learns your taste and generates personal palettes.
PPixianHigh-quality, low-cost automatic background removal.
WWatermarkRemoverAutomatically remove watermarks from images with AI.
PPebblelyAI product photography: place your product in beautiful scenes.
VVisilyDesign app and web UIs from text, screenshots, or sketches, no skills needed.
PPollinationsFree, open-source image and text generation via a simple API.
VVanceAI Image ResizerAI image upscaler and resizer that enlarges photos without quality loss.
LLovartA design agent that turns a brief into complete, editable visuals.
SSloydGenerate ready-to-use 3D models in real time from prompts and parameters.
BBgSubPrivacy-first background remover that processes images in your browser.
HHamaBrush over an object and erase it from your photo in seconds.
DDreamUpDeviantArt's AI art generator with artist-rights controls.
WWondershare AiDrawWondershare's AI art tool for text-to-image and sketch-to-image.
WWenxin YigeBaidu's AI art platform for Chinese-style text-to-image.
WWHEE (Wujie AI)Chinese AI image platform with models, LoRAs, and a big community.
XXingliu AILiblibAI's one-stop AI design agent for images, video, and 3D.
GGaoding AIChinese online design tool with AI image and copy generation.
MMeitu Design StudioMeitu's AI commercial-design suite for e-commerce visuals.
CChuangkitChinese online design platform with an AI design assistant.
QQiantu (58pic)Chinese design-resource library with AI image generation.
TTuguaishou (818ps)Chinese online design tool with templates and AI design.
PPomelliGoogle Labs experiment that analyzes a small business's website to generate on-brand social campaigns, photoshoots, and websites.
MMockey AIAI mockup generator with 27,000+ templates for turning a design or screenshot into product, apparel, and packaging mockups.
PPicsartAI photo and video editing platform with 140+ generative models, background/object removal, and 15+ specialized creative agents.
SStitchGoogle Labs' AI tool that turns a text description or sketch into an editable UI design, interactive prototype, and front-end code.
VVectrBrowser-based vector graphics editor with AI vectorization, text-to-image, background removal, and logo generation.
Best AI Video Generators & Editors See all →
HHeyGenTalking-head avatars for training and marketing video.
PPikaFast, stylized short-clip video generation.
CCapCutConsumer video editor with AI captions and effects.
LLuma Dream MachineCinematic text- and image-to-video generation.
KKlingLong-duration, high-motion AI video generation.
CClipchampMicrosoft's browser video editor with AI voiceover, captions, and templates.
FFlikiTurn scripts, blog posts, or ideas into narrated videos with lifelike AI voices.
LLumen5Turn blog posts and text into branded videos for social media.
SSteve AICreate animated and live-action videos from a script or article.
VVislaCreate, edit, and publish videos from a prompt, script, or footage.
RRask AITranslate and dub videos into 130+ languages with voice cloning.
UUnscreenRemove or replace the background of any video automatically.
AAkoolAI avatars, face swap, and video translation for marketing.
DDomoAIRestyle videos and photos into anime and other art styles.
RReachout.aiSend personalized 1:1 AI videos at scale for sales outreach.
GGenmoAI video generation, including the open-source Mochi model.
PPlaskAI motion capture from video, no suit or hardware required.
DDreamFaceTurn photos into talking avatar videos with AI voices.
WWancai AIChinese AI tool for text-to-video, animation, and digital humans.
QQimiaoyuanMobvoi's digital-human video and livestreaming platform.
BBairimeng AIChinese text-to-video tool for stories and animated shorts.
DDujiaBaidu's all-in-one AIGC creation tool for video and content.
AA2E AIAll-in-one AI avatar studio - talking photos, voice clone, face/head swap, and lip sync, plus an API for all of it.
AAnimotoDrag-and-drop video maker whose AI assembles your own photos and clips - never invented people or scenes.
GGuidelessCaptures your screen workflow automatically, then AI writes the narration and builds a step-by-step video guide.
QQuso AITurns long videos, podcasts, and livestreams into short captioned clips, then schedules them across seven platforms.
TTavusDeveloper API for building real-time, face-to-face AI video agents that see, listen, and respond live.
UUnwatermark AIAuto-detects and erases watermarks, logos, and unwanted objects from images and video, frame by frame.
VVideoleapLightricks' layer-based AI video editor with one-tap background/object removal and infinite zoom.
WWoxoTurns a one-line prompt into a faceless, publish-ready YouTube Short - script, visuals, voiceover, and scheduling included.
DDetailAn iPhone, iPad, and Mac app that records, auto-edits, and publishes talking-head videos, podcasts, and vlogs in one place.
IIntangibleAn AI 3D studio that lets creative teams place cameras and direct scenes in 3D, then render photoreal images and video that stay on-brand.
KKeyvelloGenerates faceless short-form videos - scripts, visuals, AI voice, and captions - from a topic in minutes.
KKiteA Mac screen recorder that turns raw captures into polished product demo videos with automatic zooms, 3D mockups, and AI voiceover.
NngramTurns a prompt, URL, document, or screen recording into a polished, on-brand business video with script, storyboard, and voiceover.
SSpecterrTurns an uploaded song into a customizable, audio-reactive music visualizer or lyric video.
VVisuals FMAn AI creative platform purpose-built for music - covers art, Spotify Canvas loops, lyric videos, and show posters in one workflow.
WWizstarGenerates AI videos, product ads, avatars, and translated content from text, images, scripts, or product links in one workspace.
FFastlaneTurns a product URL into AI UGC videos, hook-and-demo clips, and memes, then publishes them natively to TikTok, Reels, and Shorts.
CColossyanAI video platform that turns documents, decks, or prompts into avatar-led training videos and courses in 100+ languages.
Best AI Voice & Music Generators See all →
SSunoFull songs, lyrics and all, generated from a prompt.
UUdioHigh-fidelity AI music generation and remixing.
DDescriptEdit audio and video by editing a text transcript.
AAdobe PodcastStudio-quality audio cleanup in the browser.
MMurf AIVoiceovers for video, e-learning, and presentations.
VVoicemodReal-time voice changer for streaming and gaming.
LLALAL.AIHigh-quality stem splitter that isolates vocals and instruments from any track.
MMoisesThe musician's app: separate stems, change key and tempo, and practice with AI.
MMubertGenerative, royalty-free music for videos, streams, and apps.
SSoundrawGenerate custom, royalty-free songs by picking mood, genre, and length.
KKrispAI noise cancellation that removes background sound from any call.
LLOVOAI voice generator (Genny) with 500+ lifelike voices and a video editor.
NNaturalReaderText-to-speech that reads documents, PDFs, and web pages aloud.
VVoicemakerText-to-speech generator with hundreds of voices for commercial use.
UUberduckAI voice and music API with text-to-rap, voice cloning, and vocals.
BBoomyMake original songs in seconds, then release them to streaming.
SSoundfulGenerate royalty-free, studio-quality tracks for content and brands.
AACE StudioAI singing voice synthesizer that turns MIDI and lyrics into vocals.
AAudo StudioOne-click AI audio cleanup: remove noise and balance loudness.
SSingifyCreate AI song covers and original tracks in the browser.
NNetEase TianyinNetEase's AI music platform for writing, arranging, and singing.
MMoyinMobvoi's AI voiceover studio with realistic Chinese voices.
IiFlytek ZhizuoiFlytek's AI dubbing and virtual-anchor video platform.
AAudioStripA free browser-based AI vocal and stem isolator that splits any song into vocals, instrumentals, drums, bass, and more.
LLoudlyAn AI music generator with dual VEGA and MANTA models that produces royalty-free, commercially licensed tracks, stems, and remixes for content creators.
MMicMonsterA cloud-based text-to-speech tool offering 600+ voices across 140 languages, aimed at affordable voiceovers for YouTube and video creators.
MMureka AIAn AI music generator with a Suno-style prompt-to-song workflow, plus a Premier tier for stem splitting, MIDI export, and AI voice cloning for singers.
PPerso AIAI dubbing that keeps the original speaker on screen and clones their voice into 99+ languages with frame-level lip-sync, instead of generating a new avatar.
AAqua VoiceSystem-wide AI voice dictation app for Mac, Windows, and iOS that types formatted text into any app as you speak.
SSuperwhisperOn-device AI dictation app for macOS, Windows, and iOS that transcribes and formats speech in 100+ languages, even offline.
WWillow VoiceAI dictation app that turns speech into polished, context-aware text across Mac, Windows, iPhone, and Android.
RRambleFixAI dictation tool that turns rambling spoken thoughts into polished emails, notes, summaries, and action items.
SSpeechmaticsEnterprise speech-to-text API for real-time and batch transcription across 55+ languages, including code-switching audio.
Best AI Meeting Assistants & Note Takers See all →
OOtter.aiLive meeting transcription and automated notes.
FFireflies.aiMeeting recorder with searchable AI summaries.
TTranskriptorAI transcription platform for meetings, calls, and recorded audio/video, with AI summaries and 100+ language support.
BBluedot"Bot-free" AI meeting notetaker that records, transcribes, and summarizes meetings without a bot joining the call.
TTokiAI executive assistant that emails attendees, negotiates a time, and sends the invite for you.
Best AI Presentation Makers & Slide Tools See all →
GGammaPrompt-to-deck (or doc, or site) billed in AI credits — Free's credits do not refill.
AAiPPTGenerate full slide decks from a topic, outline, or document in minutes.
SSlidesAICreate presentation slides from text right inside Google Slides and PowerPoint.
MMindShowTurn an outline or text into a designed presentation automatically.
PPresentations.AIChatGPT-style presentation creation that keeps decks on-brand.
CChronicleA story-first AI presentation maker on a freeform canvas.
BBosi AIPPT (Boardmix)Boardmix's AI that generates editable PPT decks from a topic.
AAhaSlidesInteractive presentation tool that turns a prompt into slides with live polls, quizzes, and word clouds built in, free on every plan.
AAlaiAI presentation maker that turns a prompt, brand assets, or pasted content into an editable, on-brand slide deck.
KKahoot!Game-based presentation and quiz platform whose AI generator turns topics, PDFs, or slides into interactive kahoots in seconds.
MMentimeterAudience-engagement platform whose free AI Creator turns a prompt into an interactive presentation with live polls, quizzes, and Q&A.
PPopAIAI presentation generator and document workspace that turns prompts, PDFs, or webpages into editable, exportable slide decks.
PPreziLong-running zooming-presentation platform whose Prezi AI builds full, dynamic decks from a prompt or uploaded file in seconds.
SSlidesgoAI presentation maker with a 30,000+ template library, generating editable Google Slides/PowerPoint decks from a topic or document.
SStorydocAI platform for building scroll-based, interactive pitch decks, proposals, and business documents instead of static slides.
Best AI Productivity Tools for Business See all →
RRaycast AIAI built into a keyboard-first launcher, one hotkey from anything on your Mac.
TTaskadeAI-powered workspace for tasks, docs, and mind maps, with agents that do the work.
WWhimsicalVisual workspace for flowcharts, wireframes, and mind maps, with AI generation.
MMiro AIAI features inside the popular online whiteboard for teams.
FFramer AIDesign and publish a real website, with AI to generate pages and copy.
SSimplifiedAll-in-one app for design, video, AI writing, and social scheduling.
RRowsA modern spreadsheet with built-in AI and live data integrations.
HHumataChat with your PDFs and documents to get instant, cited answers.
TTimelyAutomatic AI time tracking that logs your work without a stopwatch.
BBearlyA desktop shortcut to read, write, and generate with top AI models.
DDora AIGenerate animated, 3D-capable websites from a text prompt, no code.
AAjelixAI tools for Excel and Google Sheets: formulas, scripts, and analysis.
CChatExcelManipulate spreadsheets just by chatting in plain language.
CCaiyun XiaoyiBilingual translation with side-by-side web and document reading.
SSogou TranslateSogou's free machine translation for text, documents, and images.
BBaidu TranslateBaidu's translation service for 200+ languages with an open API.
IiFlytek TranslationiFlytek's translation platform with strong speech and document support.
OOffice RaccoonSenseTime's AI office assistant for data analysis and docs.
MModaoChinese prototyping and design tool with AI generation.
BBricksAn AI data analyst that turns CSV, Excel, or PDF files into polished dashboards, charts, and reports from plain-language requests.
GGPTExcelAI assistant that generates and explains Excel, Google Sheets, and Airtable formulas, scripts, SQL, and charts from plain-language requests.
BBeaconsAll-in-one link-in-bio, storefront, and media-kit platform with an AI teammate that handles brand outreach and content planning.
DDeepMarkAI marking assistant that helps UK teachers grade GCSE-style exam papers and essays with examiner-style feedback.
LLittlebirdAI assistant that builds a running memory of your work by watching your screen, meetings, and connected apps.
SSupercutAI-assisted screen recorder that captures your screen and camera, then auto-edits filler words, silences, and branding.
SSuperlistAI-powered to-do list and task manager from the creators of Wunderlist, turning voice notes and meetings into action items.
WWeavelyAI form builder that generates complete surveys and forms — questions, logic, and design — from a single text or voice prompt.
OOpinion StageAI-powered quiz, poll, survey, and form builder that generates interactive content from a prompt to boost engagement and leads.
PPrometAIAI business-plan generator that builds a valuation model, unit economics, and market sizing directly into the plan.
DDeepLNeural machine translation service known for natural-sounding text and document translation, plus an AI writing-improvement add-on.
IImmersive TranslateBrowser extension that translates web pages, PDFs, videos, and images side-by-side, routing through 20+ AI translation engines.
RReversoAI-powered translation, dictionary, and grammar tool with contextual usage examples and document translation.
CClicoScreen-aware AI assistant that researches, writes, and generates images/video using whatever page, file, or app you already have open.
Best AI Agents & Automation Tools See all →
Nn8nOpen-source workflow automation you can self-host, or run on n8n Cloud by execution count.
DDifyVisual orchestration platform for building and shipping AI apps.
MMakeVisual automation builder with AI-powered modules.
ZZapier AINo-code Zaps across thousands of apps — you pay per task, and an AI step can spend three or five tasks.
CCrewAIRole-based multi-agent crews — the Python package is free; the hosted AMP jumps from 50 runs to a sales quote.
AAutoGenMicrosoft's framework for multi-agent conversations.
LLangGraphA graph runtime for agents — the library is free; hosted deploy is a LangSmith plan.
FFlowiseDrag-and-drop builder for LLM agents and chains.
RRelevance AINo-code platform for building and deploying AI agents.
CCozeByteDance's no-code platform for building and publishing AI chatbots and agents.
AAgentGPTGive an AI a goal in the browser and watch it plan and run the steps itself.
MManusA general AI agent that autonomously completes multi-step tasks and delivers finished work.
IInworld AIBuild interactive AI characters and NPCs for games and apps.
AAirOpsBuild AI content and data workflows that run at scale.
AAccioAlibaba's agentic AI platform that reads local files, drives a real browser, and runs scheduled business tasks like sourcing, marketing, and CRM work.
AAnythingLLMAn open-source, local-first AI app that lets you chat with your documents, build AI agents, and run any LLM without sending data to the cloud.
AAtomic BotA user-friendly wrapper that runs the open-source OpenClaw and Hermes Agent AI assistants for you, locally or on a dedicated 24/7 cloud VPS.
FFoenixA multi-agent system that autonomously writes posts, builds pages, fixes SEO, and monitors any self-hosted WordPress site on a schedule.
HHermes AgentAn open-source, self-improving AI agent from Nous Research that builds and refines its own skills, remembers past sessions, and runs anywhere from a $5 VPS to Telegram.
OOsaurusA free, open-source native macOS app that runs AI agents locally on Apple Silicon, with memory, browsing, and code execution that never leaves your Mac.
RRunableA general-purpose AI agent that turns a single prompt into a finished website, presentation deck, video, app, or research document.
VViktorAn "AI employee" that lives in Slack or Microsoft Teams, connects to 3,200+ business tools, and delivers finished reports, dashboards, and code rather than just chat replies.
ZZeroClawA lightweight, single-binary personal AI agent written in Rust that runs on your own hardware, with your own keys, and reaches 30+ chat channels.
HHIX AIAI agent workspace that coordinates research, writing, slides, image, and video agents to turn one brief into finished multi-format output.
Best AI Writing Tools & Assistants See all →
HHumbotAI humanizer focused on preserving meaning while lowering AI-detection scores.
PPhraslyHumanizes AI text and checks it against multiple AI detectors in one pass.
WWalterWrites AIA simpler, lower-cost AI humanizer for students and everyday writing.
GGrammarlyGrammar, tone, and clarity checks across the web.
QQuillBotParaphrasing, summarizing, and citation tools.
NNotion AIAI that sits inside the Notion pages and databases you already keep, not a separate chat app.
CCopy.aiTemplates for ads, emails, and landing page copy.
WWordtuneSentence-level rewriting to fix tone and clarity.
RRytrLightweight copywriting for short-form content.
DDeepL WriteDeepL's rewriter for English, German, French, and Spanish — billed as a Pro add-on, not a separate Starter/Advanced/Ultra ladder.
WWritesonicAI writing and SEO platform for articles, ads, and marketing copy.
JJenniAI writing assistant built for academic and long-form writing with citations.
PPaperpalAcademic writing assistant for researchers, trained on scholarly text.
CCompose AIAI autocomplete and rephrasing that speeds up writing everywhere you type.
AAI DungeonAn AI-driven text adventure where you can do anything.
AAigaixieChinese AI-text detector and humanizing rewriter to lower AIGC flags.
XXiezuomaoChinese AI writing cat for error-checking, polishing, and drafting.
PPitayaChinese AI writing tool that helps you draft, polish, and correct.
WWawa WriterChinese AI creative-writing tool for stories, scripts, and long-form.
YYoudao WritingNetEase Youdao's AI assistant for English writing and grammar.
XXiyuAlibaba's one-click marketing copy for e-commerce products.
IiFlytek HuiweniFlytek's one-stop AIGC content-creation and publishing platform.
AAithorAI essay writer for students - outlines, drafts, cites from 10M+ academic sources, then humanizes the result.
CCramly AIDrafts long essays with real citations and a "Personal Model" that learns your own writing voice.
SSamwell AIAcademic writing workspace that pulls real citations from 20+ scholarly databases and includes an AI tutor.
TThe Good AIFree AI essay writer trained on millions of human essays, with an outliner for building your own structure.
DDueyTypes your writing into Google Docs, Slides, or Word Online for you, then can humanize it and check it against AI detectors.
EEditpadA free online text editor bundled with AI writing, paraphrasing, plagiarism, humanizing, and OCR tools.
GGetebookTurns an idea into a complete, publish-ready ebook - outline, chapters, cover, and export - in one sitting.
GGingerA veteran grammar checker and paraphraser that corrects full sentences in context and rephrases in one click.
HHemingway EditorHighlights wordy, passive, and hard-to-read sentences, with an optional AI mode that rewrites them for you.
SSquiblerAn AI book, novel, and screenplay writer that generates full-length manuscripts while keeping characters and plot consistent.
TTrinkaAn academic and technical grammar checker with subject-aware Power Mode, style-guide corrections, and plagiarism/AI-detection tools.
WWriteless AIGenerates structured academic essays with real citations in APA, MLA, Harvard, Chicago, or Vancouver format.
KKoala AIAI SEO writing platform that researches live search results and publishes citation-grounded, ranking-optimized articles directly to your site.
Best AI Model APIs & Infra See all →
GGemini APIGoogle's multimodal models for developers.
GGroqLPU inference for open models — Llama 8B/70B left the self-serve catalog; GPT-OSS 20B/120B are the listed production prices.
HHugging FaceThe open-model Hub — PRO is storage and ZeroGPU, not a $9 chatbot.
LLightning AICloud platform to build, train, and deploy AI, from the PyTorch Lightning team.
EEvidently AIOpen-source evaluation and monitoring for ML and LLM systems.
LLeap AIAPIs and SDKs to add image generation and fine-tuning to your app.
SSequence MonkeyMobvoi's multimodal large-model open platform for developers.
WWeave RouterRoutes each coding-agent request to the cheapest model that can still do the job.
AAppwriteOpen-source backend platform, rebuilt so AI agents can provision and run it directly.
Learn AI: Best Courses & Resources See all →
DDeepLearning.AIShort, practical courses from Andrew Ng's team.
Ffast.aiFree, code-first deep learning courses for everyone.
PPrompt Engineering GuideA living reference for prompting techniques.
KKaggleFree competitions, datasets, and notebooks — GPU hours are a weekly quota, not a paid plan.
OOpenAI AcademyFree lessons on building with OpenAI's models.
GGoogle AILearning paths and guides from Google's AI teams.
CCoursera AI/MLUniversity-backed machine learning specializations.
MML for BeginnersMicrosoft's free, open-source machine learning curriculum.
EElements of AIA free, beginner-friendly introduction to AI concepts from the University of Helsinki.
BBrilliantInteractive STEM lessons — Premium is a course library, not an AI tutor subscription like ChatGPT Plus.
AAlibaba Cloud AI Learning PathA free, five-stage machine learning curriculum from Alibaba Cloud's developer community.
Best AI Detectors & Content-Safety Tools See all →
GGPTZeroWidely used AI-content detector for educators and editors.
SSapling AI DetectorFree, fast AI-content scoring for short text.
PPromptfooOpen-source testing and red-teaming for LLM apps.
GGuardrails AIValidation framework for safer, structured LLM output.
AAI or NotMulti-format AI detector that flags AI-generated images, text, video, audio, and deepfakes with a per-generator breakdown.
DDuplicheckerFree online plagiarism and AI-content checker that scans text against billions of web pages and academic sources.
PPaperRaterFree online proofreader that checks grammar, spelling, and writing quality alongside a plagiarism scan against 10+ billion documents.
SScribbrFree AI-text detector plus a premium, per-document plagiarism check that also screens for AI-generated and AI-refined writing.
ZZeroGPTFree AI-content detector that scores text for the likelihood it was generated by ChatGPT or other large language models.
Best AI Prompt Libraries & Resources See all →
AAwesome ChatGPT PromptsThe original crowdsourced prompt collection on GitHub.
FFlowGPTCommunity hub for sharing and remixing prompts.
LLearn PromptingFree, structured course on prompt engineering.
AAIPRMCurated prompt library as a browser extension.
PPromptHeroA searchable library of image and video prompts, with optional in-site generation.
SSnack PromptA community marketplace for discovering, saving, and organizing ChatGPT prompts.
PPublicPromptsA free, no-login collection of tested prompts for Stable Diffusion and Midjourney.
PPromptoManiaA free prompt builder for Midjourney, Stable Diffusion, and more.
FAQ
Are these AI tools actually free, or just a free trial?
Every tool on this page has an ongoing free tier, not a trial that expires. Some also offer a separate trial of their paid plan on top of that; where that's the case, we still list the tool under whichever plan you can use for free indefinitely.
What's the catch with free AI tools?
Usually a usage cap: fewer messages per day, lower resolution, an older model, or no commercial-use rights. None of that makes the free tier fake, it just means the tool is priced to convert heavy users, not to give away its best version.
Which category has the most free AI tools?
Chat assistants and AI agent platforms have the deepest free tiers of any category we track. Most major chatbots and several agent frameworks are free to use, or free to self-host, without paying anything.