council-lab

bytedance/

deer-flow

▲ 1.2k/wk

An open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skill, subagents and message gateway, it handles different levels of tasks that could take minutes to hours.

langchain-ai/

langchain

▲ 595/wk

The agent engineering platform.

HKUDS/

nanobot

▲ 275/wk

Ultra-lightweight, open-source, self-hosted personal AI agent framework in Python with WebUI, tools, memory, MCP, multi-agent workflows, automation, and chat apps

zhayujie/

CowAgent

▲ 135/wk

Open-source super AI assistant & Agent Harness. Plans tasks, runs tools and skills, self-evolves with memory and knowledge. Multi-model, multi-channel. Lightweight, extensible, one-line install. (formerly chatgpt-on-wechat)

langchain-ai/

langgraph

▲ 509/wk

Build resilient agents.

wshobson/

agents

▲ 148/wk

Multi-harness agentic plugin marketplace for Claude Code, Codex CLI, Cursor, OpenCode, GitHub Copilot, and Gemini CLI