100% Open Source

All Barrel DB projects are Apache 2.0 licensed. Fork it, modify it, deploy it anywhere. We monetize support and managed infrastructure, not code access.

Projects

barrel_vectordb

Vector Database

High-performance vector database with HNSW, FAISS, DiskANN, and BM25 backends.

Apache 2.0 Alpha
Source Docs

barrel_docdb

Document Database

Document database with MVCC, declarative queries, and P2P replication.

Apache 2.0 Alpha
Source Docs

barrel_embed

Embedding Library

Erlang embedding library with 15+ providers (OpenAI, Ollama, local models, etc.).

Apache 2.0 v1.0.0
Source Docs

Apache 2.0 License

All Barrel DB projects are released under the Apache License, Version 2.0. This means you can:

You can:

  • Use commercially
  • Modify and distribute
  • Use privately
  • Patent use granted

You must:

  • Include license
  • State changes
  • Include copyright

Contributing

Documentation

Improve docs, fix typos, add examples

Feature Ideas

Open issues to discuss new features

Code

Submit merge requests with fixes and features

Need Support or Managed Hosting?

While the code is free, we offer professional support and managed hosting for teams that need guaranteed response times, deployment assistance, or don't want to manage infrastructure.

Contact Us for an Offer

Available Services

+ Community: GitLab Issues
+ Professional Support
+ Managed Hosting (EU)
+ Custom SLAs