head to head · open source
fusio vs open-agent-connector
fusio has 2,125 GitHub stars, 244 forks, 169 open issues and last shipped 7 days ago. open-agent-connector has 838 stars, 321 forks, 0 open issues and last shipped yesterday. fusio leads on adoption by 154% (2,125 vs 838 stars). fusio is written in PHP under Apache-2.0; open-agent-connector is written in Python under Apache-2.0. fusio has attracted 11% as many forks as stars, open-agent-connector 38%. open-agent-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
| fusio | open-agent-connector | |
|---|---|---|
| GitHub stars | ★ 2.1K | ★ 838 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | PHP | Python |
| Last push | 2026-10-07 | 2026-10-13 |
| Forks | ⑂ 244 | ⑂ 321 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick fusio if
- You weight community size — 2.1K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches PHP
- You value the larger contributor base for long-term maintenance
pick open-agent-connector if
- You want the open-agent-connector 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 open-agent-connector fits your workflow better
About fusio
Fusio is a self hosted, open source API management platform and gateway written in PHP that turns internal business logic, legacy databases, and microservices into documented API products for third party developers and autonomous AI agents.
read the full fusio overview →
About open-agent-connector
Open Agent Connector is an open source, self hosted integration gateway that lets AI agents discover and execute actions against app APIs over the Model Context Protocol or a REST API, built for developers who want to inspect, run, and extend their own agent integration layer.
read the full open-agent-connector overview →
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Frequently asked questions
Is fusio or open-agent-connector more popular?
fusio has 2,125 GitHub stars and open-agent-connector has 838. fusio has the larger community by that measure.
Are fusio and open-agent-connector free?
Both are open source. fusio is licensed under Apache-2.0 and open-agent-connector under Apache-2.0. Neither carries a licence fee.
What is the difference between fusio and open-agent-connector?
fusio is written in PHP and open-agent-connector 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, fusio or open-agent-connector?
Choose fusio if you want the larger community (2,125 stars) or its Apache-2.0 licence terms. Choose open-agent-connector if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.