Developer and AI tools
167 tools ranked by real usage. Stats updated 44 minutes ago.
| Tool | Pricing | GitHub stars | npm a week | Last release |
|---|---|---|---|---|
| CrewAIMIT-licensed Python framework for multi-agent workflows, with a paid platform for deployment. | Open source | 59.8k | None | 2 days ago |
| LangGraphLow-level orchestration framework from LangChain for long-running, stateful agents. | Open source | 43.4k | None | 5 hours ago |
| DSPyPython framework from Stanford NLP for programming language model systems instead of writing prompts. | Open source | 38.7k | None | 4 days ago |
| MastraTypeScript framework for AI agents and workflows, Apache 2.0 licensed, with a managed platform. | Open source | 28.9k | 2.3M | 19 hours ago |
| Vercel AI SDKFree open source TypeScript toolkit from Vercel for building AI apps and agents across many model providers. | Open source | 27.4k | 34M | 7 hours ago |
| HaystackOpen source Python framework from deepset for building LLM applications, RAG pipelines and agents. | Open source | 26.8k | None | 1 day ago |
