Topic
Open-source startups tagged #langchain
9 open-source startups in this directory carry the GitHub topic #langchain. 5 pushed code within 30 days of the snapshot of 2026-09-22, 1 has been quiet for 31–120 days, 3 have not pushed in over 120 days. Topics are set by each repository’s own maintainers, so this is what those projects chose to call themselves rather than a category we assigned.
5 of 9 pushed within 30 days of the snapshot of 2026-09-22. How we measure it →
The list
All 9, most-starred first.
The last column is the most recent push GitHub reported to us on 2026-09-22. It counts a push to any branch, by a person or a bot — it is not a claim that anyone is maintaining the project, and a quiet repository may be a finished one.
| Project | What it does | Stars | Ship status | Last verified push |
|---|---|---|---|---|
| FlowiseAI/Flowise | Build AI Agents, Visually | 55.5K | Gone silent | Aug 13, 2026 |
| chatchat-space/Langchain-Chatchat | Langchain-Chatchat（原Langchain-ChatGLM）基于 Langchain 与 ChatGLM, Qwen 与 Llama 等语言模型的 RAG 与 Agent 应用 | Langchain-Chatchat (formerly langchain-ChatGLM), local knowledge based LLM (like ChatGLM, Qwen and Llama) RAG and Agent app with langchain | 38.7K | Gone silent | Nov 10, 2025 |
| reworkd/AgentGPT | 🤖 Assemble, configure, and deploy autonomous AI Agents in your browser. | 36.3K | Gone silent | Apr 29, 2025 |
| langfuse/langfuse | 🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform. | 34.9K | Still shipping | Sep 22, 2026 |
| 1Panel-dev/MaxKB | 🔥 MaxKB is an open-source platform for building enterprise-grade agents. 强大易用的开源企业级智能体平台。 | 22.9K | Still shipping | Sep 22, 2026 |
| comet-ml/opik | Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards. | 22.2K | Still shipping | Sep 22, 2026 |
| MODSetter/SurfSense | Air gapped, privacy focused open source NotebookLM alternative. Join our Discord: https://discord.gg/ejRNvftDp9 | 16.2K | Still shipping | Sep 22, 2026 |
| botpress/botpress | The open-source hub to build & deploy GPT/LLM Agents ⚡️ | 14.9K | Still shipping | Sep 22, 2026 |
| Portkey-AI/gateway | A blazing fast AI Gateway with integrated guardrails. Route to 1,600+ LLMs, 50+ AI Guardrails with 1 fast & friendly API. | 13.1K | Slowed | May 25, 2026 |
Related collections
Sideways from here.
The 8 largest other topics in the directory, then the other ways to slice it. Every count is as of the snapshot of 2026-09-22.
Snapshot of 2026-09-22 · 721 repos in the directory · every number on this page is measured against that date, not against today. What this measurement cannot tell you →