project-raven is a free, open-source alternative to Otter.ai. It can be used without subscription fees — and its source code is open for anyone to inspect, modify and self-host.
Open-source AI meeting copilot - real-time transcription, echo cancellation, and AI assistance. Captures system audio + mic, cancels echo via WebRTC AEC3, transcribes with Deepgram, and gives you Claude/OpenAI help during meetings. Runs locally on macOS and Wi Its license (MIT) is permissive: free to use, modify and redistribute — including inside commercial and proprietary products.
What switching gets you
No subscription, no per-seat pricing — free forever, for individuals and companies alike.
Your data stays with you: it can run locally or on your own servers, with no vendor lock-in.
The source code is public — auditable, extensible and maintained in the open by its community.