Sim
Sim is a workspace that lets you build, deploy, and monitor AI agents and workflows without much code.
What it is good for
- Building automated workflows that connect apps like Slack and Notion
- Setting up AI agents that answer questions from your own files
- Monitoring runs, logs, and schedules of automated tasks
- Connecting Claude or Codex to your workflows through a connector
At a glance
- Who it is for
- Setup
- Works in your browser or phone
Level 1 of 5. Nothing to install. Open a website or app and start.
- Cost
- Free and open source
- Type
- Agent builder or no-code platform
- Tasks
- Works with
- Slack, Notion, HubSpot, Salesforce, Claude, Claude Code
Momentum
- Rank this week
- Not ranked yet
- Best rank
- None yet
- GitHub stars
- 29,966
GitHub numbers as of Nov 2, 2026. Updated weekly.
Official links
Setup steps are on the official pages. We do not repeat them here, since they change.
Questions
- Is Sim free?
- Yes. It is free and open source (Apache-2.0 license).
- Do I need to know how to code to use Sim?
- No. Nothing to install. Open a website or app and start.
- What does Sim work with?
- According to its own documentation, it works with Slack, Notion, HubSpot, Salesforce, Claude, and Claude Code.
- What is Sim good for?
- Building automated workflows that connect apps like Slack and Notion, setting up AI agents that answer questions from your own files, monitoring runs, logs, and schedules of automated tasks, and connecting Claude or Codex to your workflows through a connector.
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