head to head · open source
ComfyUI vs BotSharp
ComfyUI has 144,907 GitHub stars, 17,244 forks, 4,894 open issues and last shipped yesterday. BotSharp has 3,116 stars, 658 forks, 48 open issues and last shipped yesterday. ComfyUI leads on adoption by 4,550% (144,907 vs 3,116 stars). ComfyUI is written in Python under GPL-3.0; BotSharp is written in C# under Apache-2.0. ComfyUI has attracted 12% as many forks as stars, BotSharp 21%. ComfyUI was the more recently maintained of the two, and both are self-hostable with no licence fee.
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
| ComfyUI | BotSharp | |
|---|---|---|
| GitHub stars | ★ 145K | ★ 3.1K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Python | C# |
| Last push | 2026-11-04 | 2026-11-04 |
| Forks | ⑂ 17K | ⑂ 658 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ComfyUI if
- You weight community size — 145K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick BotSharp if
- You want the BotSharp feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches C#
- You evaluated both and BotSharp fits your workflow better
About ComfyUI
ComfyUI The most powerful and modular AI engine for content creation. [![Website][website shield]][website url] [![Dynamic JSON Badge][discord shield]][discord url] [![Twitter][twitter shield]][twitter url] [![Matrix][matrix shield]][matrix url] [![][github release shield]][github release link] [![][github release date shield]][github release link] [![][github downloads shield]][github downloads link] [![][github downloads latest shield]][github downloads link] [matrix shield]: [matrix url]: [website shield]: [website url]: [discord shield]: [discord url]: [twitter shield]: [twitter url]: [github release…
read the full ComfyUI overview →
About BotSharp
The Open Source AI Agent Application Framework Connect LLMs to your existing application focused on your business "Conversation as a platform (CaaP) is the future, so it's perfect that we're already offering the whole toolkits to our .NET developers using the BotSharp AI BOT Platform Builder to build a CaaP. It opens up as much learning power as possible for your own robots and precisely control every step of the AI processing pipeline." BotSharp is an open source machine learning framework for AI Bot platform builder. This project involves natural language understanding, computer vision and audio processing…
read the full BotSharp overview →
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Frequently asked questions
Is ComfyUI or BotSharp more popular?
ComfyUI has 144,907 GitHub stars and BotSharp has 3,116. ComfyUI has the larger community by that measure.
Are ComfyUI and BotSharp free?
Both are open source. ComfyUI is licensed under GPL-3.0 and BotSharp under Apache-2.0. Neither carries a licence fee.
What is the difference between ComfyUI and BotSharp?
ComfyUI is written in Python and BotSharp in C#. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, ComfyUI or BotSharp?
Choose ComfyUI if you want the larger community (144,907 stars) or its GPL-3.0 licence terms. Choose BotSharp if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.