Deepgram
Real-time and batch speech recognition API with word-level timestamps, custom models, and 30+ language support for developers.
Curated AI tools with free plans. No credit card required. Verified links and trust signals.
Every tool listed here offers a free tier or freemium plan. Browse by category, search by keyword, or jump to free tools for a specific task.
Each tool shows verification (how recently we checked the link), link health (whether the URL works), and trust (0–1, combining both). Verified + HTTPS = highest trust. Pending = not yet checked. Stale = last check was 1–3 days ago. Failed = over 3 days.
Real-time and batch speech recognition API with word-level timestamps, custom models, and 30+ language support for developers.
Fast, accurate audio transcription and translation API with real-time streaming, speaker diarization, and code-switching support.
AI meeting recorder and transcription tool that generates structured summaries, action items, and CRM notes directly from calls.
Speech recognition API built on Rev's transcription data. Offers async and streaming transcription with custom vocabulary and diarization.
OpenAI's open-source speech recognition model with broad multilingual support and high accuracy. Runs locally or via API for transcription tasks.
Customer feedback management tool that collects feature requests, prioritizes them with impact scoring, and closes the loop with users.
Autocapture analytics platform that records every user interaction automatically. Retroactively define events without re-instrumentation.
User research platform for running unmoderated usability tests, preference tests, and surveys with a panel of 690,000+ participants.
Rapid user research platform for testing prototypes, card sorting, and tree testing directly inside Figma or your own designs.
Open-source product analytics platform with feature flags, session replay, A/B testing, and event pipelines you can self-host.
In-product research platform that launches AI-analyzed surveys, interviews, and replays at key moments inside your live product.
Open-source, local-first workspace that combines docs, whiteboards, and databases. A privacy-respecting alternative to Notion and Miro.
Open-source, local-first workspace for notes, tasks, and wikis. Works offline with end-to-end encryption and no data on external servers.
Technical documentation platform for engineering teams with AI writing assistance, API docs, and embedded code snippets.
Personal knowledge management app that organizes notes as typed objects (books, people, projects) with AI writing and linking.
Visual collaboration platform with AI-powered diagramming, project management, and database visualization in one workspace.
Diagramming and docs tool for engineering teams. AI generates architecture diagrams, ERDs, and flowcharts from plain-text descriptions.
Documentation platform for developer and product teams with AI search, smart editing, and auto-generated content from code and notes.
Open-source knowledge management tool with AI-powered graph linking.
Intelligent diagramming platform with AI shape suggestions, smart templates, and real-time collaboration for flowcharts and org charts.
Browse curated shortlists of free tools for specific tasks.