head to head · open source
Langflow vs ProcessWire
Langflow has 156,266 GitHub stars, 10,311 forks, 1,056 open issues and last shipped yesterday. ProcessWire has 1,158 stars, 210 forks, 93 open issues and last shipped 4 days ago. Langflow leads on adoption by 13,394% (156,266 vs 1,158 stars). Langflow is written in Python under MIT; ProcessWire is written in PHP under a custom or non-standard licence. Langflow has attracted 7% as many forks as stars, ProcessWire 18%. Langflow 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
| Langflow | ProcessWire | |
|---|---|---|
| GitHub stars | ★ 156K | ★ 1.2K |
| License | MIT | Custom / other |
| Written in | Python | PHP |
| Last push | 2026-11-02 | 2026-10-30 |
| Forks | ⑂ 10K | ⑂ 210 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Langflow if
- You weight community size — 156K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick ProcessWire if
- You want the ProcessWire feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches PHP
- You evaluated both and ProcessWire fits your workflow better
About Langflow
Langflow is a powerful platform for building and deploying AI powered agents and workflows. It provides developers with both a visual authoring experience and built in API and MCP servers that turn every workflow into a tool that can be integrated into applications built on any framework or stack. Langflow comes with batteries included and supports all major LLMs, vector databases and a growing library of AI tools. ✨ Highlight features Visual builder interface to quickly get started and iterate. Source code access lets you customize any component using Python. Interactive playground to immediately test and…
read the full Langflow overview →
About ProcessWire
Welcome to ProcessWire 3.x This document is in Markdown. An HTML formatted version of this document can be read at: Table of Contents 1. About 2. Installation 3. Upgrading 4. Troubleshooting 5. Support About ProcessWire ProcessWire is a friendly and powerful open source CMS with an API that is a joy to use at any scale. It is both a content management system (CMS) and framework (CMF) built to save you time and work the way you do. With all custom fields, a secure foundation, proven scalability and performance, ProcessWire connects all of your content seamlessly, making your job fast, easy and fun. ProcessWire…
read the full ProcessWire overview →
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Frequently asked questions
Is Langflow or ProcessWire more popular?
Langflow has 156,266 GitHub stars and ProcessWire has 1,158. Langflow has the larger community by that measure.
Are Langflow and ProcessWire free?
Both are open source. Langflow is licensed under MIT, and ProcessWire has no licence declared in this registry. Both are free to self-host.
What is the difference between Langflow and ProcessWire?
Langflow is written in Python and ProcessWire in PHP. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Langflow or ProcessWire?
Choose Langflow if you want the larger community (156,266 stars) or its MIT licence terms. Choose ProcessWire if its feature set, stack or Custom / other licence fits better. Both are self-hostable.