“LangChain”

Tracing, evaluation and monitoring for LLM apps and agents, with SDKs for several languages

LangChain's no-code platform for creating agents from chat or templates, with tool-level approvals, remote MCP servers and use in Slack, Teams and Gmail

Framework-agnostic infrastructure for running long-running agents in production.

Open-source document conversion library that turns PDFs, Office files and audio into structured data.

Database for AI with a deep-learning storage format for embeddings, media and datasets, plus vector search.

Platform for developers of AI chatbots and LLM apps, covering monitoring, prompts and analytics

Open source vector database for AI apps, built on Postgres with pgvector and available self-hosted or managed.

AI gateway and agent observability for 250+ LLMs, with tracing, analytics, guardrails and cost controls.