Developer tools

GitHub is the world’s leading software development platform. Host and review code, manage projects, and build software alongside millions of developers. Free plan available. Paid plans from $4/user/month.

n8n is the open-source workflow automation platform that lets developers build powerful automations with code when needed and no-code when sufficient. Self-host for free or use the cloud. The only major automation platform with both visual node editor and full JavaScript/Python code execution in the same workflow. Cloud from $24/month.

LangChain is the most widely adopted open-source framework for building AI agents and LLM-powered applications. Over 128,000 GitHub stars. Free to use. LangSmith observability platform from $0/month (Developer) to $39/user/month (Plus).