TensorZero is an open-source stack for industrial-grade LLM applications. It unifies an LLM gateway, observability, optimization, evaluation, and experimentation.

Chroma is building retrieval database for AI applications. It's an open-source database with vector, regex, and full-text search. We support local, single-node, and cloud hosting. Help build the future of context engineering!

Continue is building an open-source AI code assistant along with a hub of models, rules, and tools. Our VS Code and JetBrains extensions are primarily written in TypeScript, but we write small amounts of Kotlin (for JetBrains), Rust (for performant …

Wordware is building an IDE for creating AI agents using natural language—think Notion meets VSCode for AI development. We’ve raised the largest seed round in Y Combinator history ($30M) backed by Spark Capital, Felicis, and YC, with 400k+ sign-ups …

Phoebe is building AI teammates for home health agencies. We are growing fast with paying customers and real revenue. Backed by Slow Ventures and other great investors.

Focused on the IP product space