head to head · open source
Open WebUI vs Pipeshub
Open WebUI has 152,394 GitHub stars, 22,296 forks, 294 open issues and last shipped yesterday. Pipeshub has 3,753 stars, 578 forks, 172 open issues and last shipped yesterday. Open WebUI leads on adoption by 3,961% (152,394 vs 3,753 stars). Open WebUI is written in Python under a custom or non-standard licence; Pipeshub is written in Python under Apache-2.0. Open WebUI has attracted 15% as many forks as stars, Pipeshub 15%. Pipeshub was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai, mcp), 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
| Open WebUI | Pipeshub | |
|---|---|---|
| GitHub stars | ★ 152K | ★ 3.8K |
| License | Custom / other | Apache-2.0 |
| Written in | Python | Python |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 22K | ⑂ 578 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Open WebUI if
- You weight community size — 152K stars and counting
- You want the Custom / other license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick Pipeshub if
- You want the Pipeshub feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and Pipeshub fits your workflow better
About Open WebUI
Open WebUI is a self hosted, open source AI interface that unifies access to local and cloud based large language models. It runs entirely in a web browser and supports Ollama for local model hosting alongside any OpenAI compatible API, including services like LMStudio, GroqCloud, Mistral, and OpenRouter. Built in Python, it functions as a drop in replacement for proprietary AI platforms, giving users full control over their model infrastructure and data.
read the full Open WebUI overview →
About Pipeshub
PipesHub is an open source workplace AI platform in the enterprise AI ecosystem. It connects AI applications to knowledge stored across business systems, including Slack, Google Drive, GitHub, Microsoft 365, Notion, and 50+ other systems. The project gives AI agents trusted context and gives teams permission aware search with verified citations across those sources.
read the full Pipeshub overview →
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Frequently asked questions
Is Open WebUI or Pipeshub more popular?
Open WebUI has 152,394 GitHub stars and Pipeshub has 3,753. Open WebUI has the larger community by that measure.
Are Open WebUI and Pipeshub free?
Both are open source. Open WebUI has no licence declared in this registry, and Pipeshub is licensed under Apache-2.0. Both are free to self-host.
What is the difference between Open WebUI and Pipeshub?
Open WebUI is written in Python and Pipeshub in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Open WebUI or Pipeshub?
Choose Open WebUI if you want the larger community (152,394 stars) or its Custom / other licence terms. Choose Pipeshub if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.