head to head · open source
sim vs Eigent
sim has 29,983 GitHub stars, 3,883 forks, 336 open issues and last shipped yesterday. Eigent has 15,732 stars, 1,887 forks, 227 open issues and last shipped 2 days ago. sim leads on adoption by 91% (29,983 vs 15,732 stars). sim is written in TypeScript under Apache-2.0; Eigent is written in TypeScript under Apache-2.0. sim has attracted 13% as many forks as stars, Eigent 12%. sim was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (agentic-workflow), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| sim | Eigent | |
|---|---|---|
| GitHub stars | ★ 30K | ★ 16K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | TypeScript | TypeScript |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 3.9K | ⑂ 1.9K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick sim if
- You weight community size — 30K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick Eigent if
- You want the Eigent feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and Eigent fits your workflow better
About sim
A workspace to build, deploy and manage AI agents and workflows. Quickstart Cloud hosted: sim.ai Self hosted Open Desktop: macOS macOS 12+, Apple Silicon and Intel. See the desktop docs to point it at a self hosted deployment. Capabilities Connect 1,000+ integrations and every major LLM Add Slack, Notion, HubSpot, Salesforce, databases, and more Build agents visually, conversationally, or with code Ingest files, knowledge bases, and structured table data Monitor runs, logs, schedules, and workflow activity One workspace, every surface Chat and workflows are just the start — tables, files, and knowledge all live…
About Eigent
[![][image head]][eigent site] [![][image seperator]][eigent site] Eigent: The Open Source Cowork Desktop to Unlock Your Exceptional Productivity [![][download shield]][eigent download] [![][github star]][eigent github] [![][social x shield]][social x link] [![][discord image]][discord url] [![Reddit][reddit image]][reddit url] [![Wechat][wechat image]][wechat url] [![][sponsor shield]][sponsor link] [![][built with camel]][camel github] [![][join us image]][join us] English · Português · 简体中文 · 日本語 · [Official Site][eigent site] · [Documents][docs site] · [Feedback][github issue link] Eigent is the open source…
read the full Eigent overview →
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Frequently asked questions
Is sim or Eigent more popular?
sim has 29,983 GitHub stars and Eigent has 15,732. sim has the larger community by that measure.
Are sim and Eigent free?
Both are open source. sim is licensed under Apache-2.0 and Eigent under Apache-2.0. Neither carries a licence fee.
What is the difference between sim and Eigent?
sim is written in TypeScript and Eigent in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, sim or Eigent?
Choose sim if you want the larger community (29,983 stars) or its Apache-2.0 licence terms. Choose Eigent if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.