- Category
- AI Agents
- Rank
- No. 145Tools index
- Type
- APP
- Builder
- simstudioai
- GitHub
- 29.4k stars
- Latest release
- v0.7.66
- Added
- May 4, 2026
About
Sim is an open-source platform to build AI agents and run an agentic workforce. Design agent workflows visually on a canvas, connect 1,000+ integrations and LLMs, and use its Copilot to generate and debug flows from natural language.
What it can do
Design AI agent workflows visually
Drag-and-drop interface interactions → Visual workflow canvas with connected agents, tools, and blocks
Connect multiple LLMs and integrations
LLM configurations and integration settings → Orchestrated agentic workflows with 1,000+ connected services
Generate workflow nodes from natural language
Natural language descriptions → Automatically generated workflow nodes and connections
Fix workflow errors using Copilot
Broken workflow and natural language error description → Corrected workflow with fixed nodes and connections
Upload documents to vector database
Document files → Searchable vector store with embedded document content
Answer questions using document knowledge
User questions and uploaded documents → AI-generated answers grounded in specific document content
Run AI agent workflows
Configured workflow with agents and data inputs → Executed workflow results and agent responses
Why it made the leaderboard
Design agent workflows on a visual canvas, wire in 1,000+ integrations and any major LLM, then run them instantly — with a Copilot that generates nodes and fixes broken flows from natural language. Open source and self-hostable, vector database included.
Intel on Sim
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Indexed by a proprietary survey. Corrections welcome.
