Free AI Tools Directory

Bypass Engine is an AI-powered "humanizer" that rewrites AI-generated text into natural, detector-proof writing intended to pass tools like Turnitin, GPTZero, and Originality.ai; it offers a freemium web tool with multilingual support and tiered credits-based pricing.

Language Model Builder is a free macOS app and interactive textbook that teaches how language models are built and lets you train small GPT-style models locally on Apple Silicon Macs.

Knowable (Milo) is a visually-grounded AI tutor for macOS that watches a student’s notebook or textbook via the Mac camera (or iPhone Continuity Camera) and provides real-time, guiding-hint tutoring across high-school subjects without giving direct answers.

Ketchup is a Chrome extension that summarizes YouTube videos from the thumbnail: hover any video, click the 🍅 "Get the sauce" chip, and get a 30-second bullet summary saved to a searchable Pantry. It offers a free daily quota with optional paid plans for higher usage.

Agent Memory Leaderboard is an open public benchmark and evaluation platform for comparing agent memory systems (textual and coding) under a unified Add/Search evaluation flow, offering public leaderboards, an API contract, and tooling for academic and commercial submissions.

A 2026 open-access preprint reporting an empirical study that measures disagreement among five frontier large language models (LLMs) when adjudicating 1,000 real-world fact-checking claims; includes dataset, harness, and raw results.

AI Tracker is a live analytics dashboard that shows which AI tools the world is searching for and using, combining Google search-share, developer signals (SDK downloads, GitHub momentum, model downloads), and attention metrics with country-level maps, trends and an archive.

Abliteration AI provides an OpenAI-compatible, unrestricted LLM API (Abliterated Large) plus a Policy Gateway for policy-as-code governance, targeted at red teams, trust & safety, synthetic data, ML research, and high-risk enterprise workflows with zero data retention and SIEM-native auditing.

Holder Dashboard is a web-based stock research tool for exploring historical fundamental rankings, comparing companies, and tracking how consistently they ranked over time. Its free archive covers 1996–2021, with membership extending research through recent years and today.

Zemith is a web and mobile AI productivity app that brings multiple AI models, research, file tools, image and video generation, and workflow automation into one workspace. Users can switch models, delegate cloud tasks, and create finished documents, slides, spreadsheets, and other outputs.

Thea is an award-winning, AI-powered study app that converts uploaded course materials into active-recall study tools and personalized practice questions, free for students and available globally in 80+ languages.

Trevor AI is a web-based AI planner that unifies tasks and calendars, predicts task durations, and automatically time-blocks work to help individuals and teams plan optimal days and weeks.

Audio Converter AI is a web-based transcription service that converts audio, video, and YouTube links into editable, timestamped transcripts with speaker recognition and AI-generated summaries, supporting 200+ languages.

Chatbox AI is a privacy-focused multi-model AI app that lets users chat with leading models (GPT, Claude, Gemini, Grok, DeepSeek and more), search the web in real time, build local knowledge bases from files, and run agentic Work Mode workflows on desktop, mobile, and web.

Jenni is an AI-powered writing and research workspace for academics and researchers that helps read, write, cite, and verify claims with traceable, source-grounded AI suggestions.

StudyFetch is an AI-first learning platform that converts course materials into personalized study experiences—notes, quizzes, flashcards, videos, games, and an AI tutor (“Sparky”)—for students, educators, and enterprise training programs.

Merlin is an all-in-one AI assistant available as a Chrome extension and web/mobile apps that provides one-click answers, summarization, content creation, code snippets, and access to multiple top AI models (GPT, Claude, Gemini, Mistral, Llama, etc.) for individuals and teams.

Linfo.ai is an AI-powered summarization Chrome extension and web tool that extracts structured takeaways and generates mind maps from articles, reports, PDFs, and YouTube videos to help professionals and students quickly capture key insights.

MyLens is an AI presentation agent that turns documents, links, videos, images, and data into interactive, narrated presentation slides that audiences can explore and that can be shared or embedded.

Mapify is an AI-powered mind map generator and summarizer that converts YouTube videos, PDFs, documents, webpages, podcasts, meeting recordings, images and long text into visual mind maps in seconds using top LLMs (GPT, Gemini, etc.). It targets learners, students, researchers and professionals who need fast visual summaries and presentation-ready outputs.

Chat & Ask AI is an advanced multi-model AI assistant and platform offering web search, document and link analysis, image generation, YouTube summarization, and chat features powered by a wide range of LLMs and AI technologies.

Coddy is a free, browser-based interactive learning platform for programming that offers runnable lessons across 15+ languages, an in-browser playground and code editor, an AI tutor (Bugsy), mobile apps, and optional premium features for learners who want more.

Stockaivisor is an AI-driven financial analytics platform that applies generative AI, predictive analytics, and automated portfolio management to analyze over 20,000 stocks and portfolios and provide actionable investment intelligence.

LingQ is an immersive language-learning platform that helps learners acquire vocabulary and comprehension by reading, listening to, and importing real-world content (books, podcasts, videos, articles) across 50+ languages, with AI tools, browser importers, mobile apps and a community of learners.