Sim
Open-source agent workflow builder.
FreemiumVerified FreeAPIOpen source
100 · Fresh2026-07-09
Live preview of https://sim.ai
TL;DR
Sim is an open-source canvas to build and deploy agentic workflows; free tier.
Tags
FAQ
Is Sim free?
Sim has a machine-verified free tier (no card required).
Does Sim have an API?
Yes, Sim offers an API.
What are alternatives to Sim?
Alternatives include Salesloft, Cassidy, Stack AI.