head to head · open source
openagent vs synaplan
openagent has 5,730 GitHub stars, 671 forks, 45 open issues and last shipped yesterday. synaplan has 600 stars, 74 forks, 8 open issues and last shipped yesterday. openagent leads on adoption by 855% (5,730 vs 600 stars). openagent is written in Go under Apache-2.0; synaplan is written in PHP under Apache-2.0. openagent has attracted 12% as many forks as stars, synaplan 12%. synaplan was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (knowledge-base, llm), 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
| openagent | synaplan | |
|---|---|---|
| GitHub stars | ★ 5.7K | ★ 600 |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Go | PHP |
| Last push | 2026-11-06 | 2026-11-06 |
| Forks | ⑂ 671 | ⑂ 74 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick openagent if
- You weight community size — 5.7K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick synaplan if
- You want the synaplan 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 synaplan fits your workflow better
About openagent
Next generation personal AI assistant powered by LLM, RAG and agent loops — ships as a single binary, no installation needed Supporting computer use, browser use and coding agent Live Demo · Playground · Docs · Discord English 中文 What is OpenAgent? OpenAgent is an open source personal AI assistant that brings together powerful LLMs, your own knowledge base, and autonomous agent loops — all in one self hostable platform. Connect any model provider, build a RAG knowledge base from your documents, and let agents browse the web, run code, and call any MCP compatible tool on your behalf. Sponsors Thanks to APIMart…
read the full openagent overview →
About synaplan
We produce AI freedom. Try it hosted or run it yourself in three minutes — open source, self hosted AI platform (PHP/Symfony): chat with any model, RAG over your docs, embeddable widget, MCP, and see the cost of every answer. Apache 2.0. On web.synaplan.com you sign up with a paid plan or an invitation code. We send invitation codes to friends and partners who want to try it; write to team@synaplan.com. Running it yourself stays free. Website · Docs · Live instance · iOS · Android · Desktop · Outlook Add in · Discord If Synaplan is useful to you, a star helps the next person find it. Chat, what each answer cost…
read the full synaplan overview →
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Frequently asked questions
Is openagent or synaplan more popular?
openagent has 5,730 GitHub stars and synaplan has 600. openagent has the larger community by that measure.
Are openagent and synaplan free?
Both are open source. openagent is licensed under Apache-2.0 and synaplan under Apache-2.0. Neither carries a licence fee.
What is the difference between openagent and synaplan?
openagent is written in Go and synaplan 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, openagent or synaplan?
Choose openagent if you want the larger community (5,730 stars) or its Apache-2.0 licence terms. Choose synaplan if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.