head to head · open source
opa vs openalgo
opa has 12,425 GitHub stars, 1,706 forks, 310 open issues and last shipped yesterday. openalgo has 2,959 stars, 1,404 forks, 307 open issues and last shipped 2 days ago. opa leads on adoption by 320% (12,425 vs 2,959 stars). opa is written in Go under Apache-2.0; openalgo is written in Python under AGPL-3.0. opa has attracted 14% as many forks as stars, openalgo 47%. opa 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
| opa | openalgo | |
|---|---|---|
| GitHub stars | ★ 12K | ★ 3.0K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Go | Python |
| Last push | 2026-11-04 | 2026-11-03 |
| Forks | ⑂ 1.7K | ⑂ 1.4K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick opa if
- You weight community size — 12K 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 openalgo if
- You want the openalgo feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Python
- You evaluated both and openalgo fits your workflow better
About opa
Open Policy Agent Open Policy Agent (OPA) is an open source, general purpose policy engine that enables unified, context aware policy enforcement across the entire stack. OPA is proud to be a graduated project in the Cloud Native Computing Foundation (CNCF) landscape. For details read the CNCF announcement. Get started with OPA Write your first Rego policy with the Rego Playground or use it to share your work with others for feedback and support. Have a look at the Access Control examples if you're not sure where to start. Install the VS Code extension to get started locally with live diagnostics, debugging and…
About openalgo
OpenAlgo Open Source Algorithmic Trading Platform What is OpenAlgo? OpenAlgo is a free, open source, self hosted trading platform , not just a broker bridge. Built on Python Flask + React 19, it gives traders a full stack environment to design, host, and execute strategies through 36 broker plugins : 35 securities integrations and Delta Exchange for crypto derivatives. Whether you write Python, prefer drag and drop, or trade options, OpenAlgo provides a common interface without tying strategy code to one adapter. OpenAlgo is no longer just "an API layer in front of your broker." Today it combines four trading…
read the full openalgo overview →
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Frequently asked questions
Is opa or openalgo more popular?
opa has 12,425 GitHub stars and openalgo has 2,959. opa has the larger community by that measure.
Are opa and openalgo free?
Both are open source. opa is licensed under Apache-2.0 and openalgo under AGPL-3.0. Neither carries a licence fee.
What is the difference between opa and openalgo?
opa is written in Go and openalgo 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, opa or openalgo?
Choose opa if you want the larger community (12,425 stars) or its Apache-2.0 licence terms. Choose openalgo if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.