head to head · open source
open-connector vs fusio
open-connector has 6,170 GitHub stars, 588 forks, 0 open issues and last shipped yesterday. fusio has 2,129 stars, 247 forks, 169 open issues and last shipped 10 days ago. open-connector leads on adoption by 190% (6,170 vs 2,129 stars). open-connector is written in TypeScript under a custom or non-standard licence; fusio is written in PHP under Apache-2.0. open-connector has attracted 10% as many forks as stars, fusio 12%. open-connector was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (ai-agents, api-gateway), 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-connector | fusio | |
|---|---|---|
| GitHub stars | ★ 6.2K | ★ 2.1K |
| License | Custom / other | Apache-2.0 |
| Written in | TypeScript | PHP |
| Last push | 2026-11-04 | 2026-10-26 |
| Forks | ⑂ 588 | ⑂ 247 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick open-connector if
- You weight community size — 6.2K stars and counting
- You want the Custom / other license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick fusio if
- You want the fusio feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches PHP
- You evaluated both and fusio fits your workflow better
About open-connector
English 简体中文 繁體中文 日本語 한국어 Русский Français Español OpenConnector is an open source connector gateway for AI agents and an alternative to Pipedream/Composio. Connect user app accounts once, then expose a shared catalog of 1,000+ providers and 10,000+ prebuilt Actions to agents and applications. Managed OAuth and hosted runtime, ready to use. No deployment or OAuth app setup. Run locally or on your own infrastructure with Docker or Node.js. You manage storage and OAuth apps. Cloudflare , Fly.io , RepoCloud , nibrun , and more. 🚀 OOMOL Hosted Self host More platforms Use the Connector SDK from app code, oo CLI as…
read the full open-connector overview →
About fusio
Fusio Open Source API Management Platform Turn your business logic into scalable API products for humans and AI agents. 📖 Documentation • 📺 Video Walkthrough (15m) • 💬 Discord Community Fusio is a self hosted, open source backend platform and API gateway written in PHP that bridges the gap between your internal infrastructure and the outside world. Whether you are exposing legacy databases, orchestrating microservices, or building custom business logic, Fusio handles the heavy lifting. It transforms your services into a professional API product, complete with an automated developer portal, SDK generation, and…
read the full fusio overview →
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Frequently asked questions
Is open-connector or fusio more popular?
open-connector has 6,170 GitHub stars and fusio has 2,129. open-connector has the larger community by that measure.
Are open-connector and fusio free?
Both are open source. open-connector has no licence declared in this registry, and fusio is licensed under Apache-2.0. Both are free to self-host.
What is the difference between open-connector and fusio?
open-connector is written in TypeScript and fusio 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, open-connector or fusio?
Choose open-connector if you want the larger community (6,170 stars) or its Custom / other licence terms. Choose fusio if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.