head to head · open source
ComfyUI vs BotSharp
ComfyUI has 133,963 GitHub stars, 15,874 forks, 4,894 open issues and last shipped today. BotSharp has 3,104 stars, 651 forks, 48 open issues and last shipped today. ComfyUI leads on adoption by 4,216% (133,963 vs 3,104 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 | ★ 134K | ★ 3.1K |
| License | GPL-3.0 | Apache-2.0 |
| Written in | Python | C# |
| Last push | 2026-09-20 | 2026-09-20 |
| Forks | ⑂ 16K | ⑂ 651 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ComfyUI if
- You weight community size — 134K 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 is a GPL 3.0 licensed Python and PyTorch node graph application, local API, and backend for running diffusion models across image, video, audio, 3D, and text workflows, built for visual professionals who want control over every model, parameter, and output, and for developers who embed those workflows into production pipelines.
read the full ComfyUI overview →
About BotSharp
BotSharp is an open source AI multi agent framework for .NET that connects large language models to existing business applications, and it is aimed at C enterprise developers who want agent orchestration and conversation state to live inside their own information systems rather than in a separate stack.
read the full BotSharp overview →
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Frequently asked questions
Is ComfyUI or BotSharp more popular?
ComfyUI has 133,963 GitHub stars and BotSharp has 3,104. 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 (133,963 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.