Sim · Mar 2026
Launches Mothership, Sim's natural-language control plane for workflows, tables, files, knowledge bases, and integrations.
Company research
Public company, workplace, funding, and market signals
Updated Jul 29, 2026
Overview
Sim is a San Francisco-based, YC X25, open-source AI workspace for building, deploying, and governing AI agent workflows. Public sources describe it as a visual agent builder with conversational and code-based control, plus self-hosted and cloud deployment options.
Primary product
Open-source AI workspace / visual AI agent workflow builder
Founded
2025
Headquarters
San Francisco, California, United States
Team size
1-10
Work style
Onsite
Industry
Technology, Information and Internet
Sub-industry
AI agent workflow automation
Offices