Best Self-Hosted AI Agent Builders in 2026
Platforms and tools for building, deploying, and orchestrating AI agents and agentic workflows.
The top-rated pick is Sim with 29,475 GitHub stars.
2 self-hosted ai agent builders — ranked by GitHub stars.Browse all

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
Hister
Private, self-hosted search engine that indexes the pages you visit and the files you keep for full-text and semantic search.
KagiWhy self-host?
Self-hosting puts you in control. You own your data, avoid vendor lock-in, and eliminate recurring subscription costs. For teams handling sensitive data or operating under strict compliance requirements, running your own infrastructure is often the only viable option.