Open Source AI Agent Builders Projects
Platforms and tools for building, deploying, and orchestrating AI agents and agentic workflows.

Dify
Open LLM app platform with visual workflows, RAG pipeline, agents and model management. Deploy self-hosted, in your VPC, or on Dify Cloud.
Lindy AI
Hister
Private, self-hosted search engine that indexes the pages you visit and the files you keep for full-text and semantic search.
Kagi
Langflow
Visually build and deploy AI agents and workflows in Python, with built-in API and MCP servers. MIT-licensed and backed by DataStax.
Lindy AI
Sim
Sim is an open-source workspace to build, deploy, and orchestrate AI agents and agentic workflows. Visually connect LLMs, tools, and data sources without giving up control.
Lindy AI
Tale
Open-source workspace where teams and AI agents plan tasks, run them in sandboxes, and review results together.
Lindy AI