head to head · open source
opa vs openalgo
opa has 12,256 GitHub stars, 1,686 forks, 310 open issues and last shipped yesterday. openalgo has 2,697 stars, 1,265 forks, 307 open issues and last shipped yesterday. opa leads on adoption by 354% (12,256 vs 2,697 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%. openalgo 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.
← all 20902 open source comparisons
Side by side
| opa | openalgo | |
|---|---|---|
| GitHub stars | ★ 12K | ★ 2.7K |
| License | Apache-2.0 | AGPL-3.0 |
| Written in | Go | Python |
| Last push | 2026-09-19 | 2026-09-19 |
| Forks | ⑂ 1.7K | ⑂ 1.3K |
| 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 (OPA) is an open source, general purpose policy engine that enables unified, context aware policy enforcement across the entire stack. It lives in the cloud native ecosystem as a graduated project in the Cloud Native Computing Foundation landscape, and it is written in Go under the Apache 2.0 license. Policy is expressed declaratively in the Rego language, and the project ships alongside a CLI, an HTTP REST API, a Go SDK, and editor tooling rather than as a single binary alone. The repository has been active for roughly eleven years, with 12,234 stars, 1,679 forks, and a last push dated 15 Septe…
About openalgo
OpenAlgo is self hosted open source algorithmic trading platform. It lives in algorithmic trading ecosystem. It gives traders full stack Python Flask plus React 19 environment to design, host, execute strategies through 36 broker plugins: 35 securities integrations plus Delta Exchange crypto derivatives. It is not only broker bridge or API layer. It combines multiple trading surfaces in one instance. Those surfaces share active broker session, market data infrastructure, six operational data stores.
read the full openalgo overview →
More in Business Software
Related comparisons
More Compliance & Risk Management projects
Compare either of these against the rest of the Compliance & Risk Management field.
Frequently asked questions
Is opa or openalgo more popular?
opa has 12,256 GitHub stars and openalgo has 2,697. 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 (12,256 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.