head to head · open source
gs-quant vs ort
gs-quant has 13,876 GitHub stars, 1,928 forks, 73 open issues and last shipped 6 days ago. ort has 2,117 stars, 393 forks, 324 open issues and last shipped yesterday. gs-quant leads on adoption by 555% (13,876 vs 2,117 stars). gs-quant is written in Python under Apache-2.0; ort is written in Kotlin under Apache-2.0. gs-quant has attracted 14% as many forks as stars, ort 19%. ort 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
| gs-quant | ort | |
|---|---|---|
| GitHub stars | ★ 14K | ★ 2.1K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Python | Kotlin |
| Last push | 2026-10-28 | 2026-11-02 |
| Forks | ⑂ 1.9K | ⑂ 393 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick gs-quant if
- You weight community size — 14K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick ort if
- You want the ort feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Kotlin
- You evaluated both and ort fits your workflow better
About gs-quant
GS Quant GS Quant is a Python toolkit for quantitative finance, created on top of one of the world’s most powerful risk transfer platforms. Designed to accelerate development of quantitative trading strategies and risk management solutions, crafted over 25 years of experience navigating global markets. It is created and maintained by quantitative developers (quants) at Goldman Sachs to enable the development of trading strategies and analysis of derivative products. GS Quant can be used to facilitate derivative structuring, trading, and risk management, or as a set of statistical packages for data analytics…
read the full gs-quant overview →
About ort
[![Slack][1]][2] [![Static Analysis][3]][4] [![Build and Test][5]][6] [![Code coverage][7]][8] [![REUSE status][9]][10] [![OpenSSF Best Practices][11]][12] [![OpenSSF Scorecard][13]][14] [1]: [2]: [3]: [4]: [5]: [6]: [7]: [8]: [9]: [10]: [11]: [12]: [13]: [14]: Introduction The OSS Review Toolkit (ORT) is a FOSS policy automation and orchestration toolkit that you can use to manage your (open source) software dependencies in a strategic, safe and efficient manner. You can use it to: Generate CycloneDX, SPDX SBOMs, or custom FOSS attribution documentation for your software project Automate your FOSS policy using…
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Frequently asked questions
Is gs-quant or ort more popular?
gs-quant has 13,876 GitHub stars and ort has 2,117. gs-quant has the larger community by that measure.
Are gs-quant and ort free?
Both are open source. gs-quant is licensed under Apache-2.0 and ort under Apache-2.0. Neither carries a licence fee.
What is the difference between gs-quant and ort?
gs-quant is written in Python and ort in Kotlin. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, gs-quant or ort?
Choose gs-quant if you want the larger community (13,876 stars) or its Apache-2.0 licence terms. Choose ort if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.