LangChain

By LangChain

Framework and tooling for building and observing LLM agents.

WHAT IT DOES

Maker
LangChain
Category
Agents

A framework and observability stack for building LLM applications and agents. It shaped how a generation of developers wires models into tools, memory and multi-step workflows.

Listed in the directory because it is part of the stack pushing toward AGI. Picked by the editors; none of it feeds a calculation on this site.

More of the stack

Cognition · Agents

Devin

Autonomous software agent that plans and ships multi-step tasks.

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OpenAI · Assistant

ChatGPT

The mass-market on-ramp to frontier models: a general assistant for writing, reasoning and code.

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Anysphere · Coding

Cursor

AI-native code editor that edits across an entire repository.

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