txtai - All-in-one semantic search framework with rerankers and pipelines so you can build hybrid RAG without the glue

pgai - Postgres extension and Python library that lets you run AI workflows (embedding, vectorization, and RAG functions) directly in SQL inside your database

promptfoo - CLI-driven LLM evaluation and security testing toolkit with red-team plugins and CI gates

OpenLLMetry - OpenTelemetry-based instrumentation that auto-traces LLM/provider/vector-DB calls

Crawl4AI - Python crawler that drives Playwright with built-in anti-bot tactics and LLM-aware extractors

DSPy 3.0 - Programmatic LLM optimization with self improving auto-tuned prompts/modules

E2B Desktop Sandbox - Local-first, containerized runtime that safely executes agent code with filesystem/network controls