head to head · open source
gs-quant vs fossology
gs-quant has 13,876 GitHub stars, 1,928 forks, 73 open issues and last shipped 6 days ago. fossology has 1,044 stars, 675 forks, 290 open issues and last shipped yesterday. gs-quant leads on adoption by 1,229% (13,876 vs 1,044 stars). gs-quant is written in Python under Apache-2.0; fossology is written in HTML under GPL-2.0. gs-quant has attracted 14% as many forks as stars, fossology 65%. fossology 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 | fossology | |
|---|---|---|
| GitHub stars | ★ 14K | ★ 1.0K |
| License | Apache-2.0 | GPL-2.0 |
| Written in | Python | HTML |
| Last push | 2026-10-28 | 2026-11-02 |
| Forks | ⑂ 1.9K | ⑂ 675 |
| 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 fossology if
- You want the fossology feature set and don't need the biggest community
- You prefer the GPL-2.0 license terms
- Your stack matches HTML
- You evaluated both and fossology 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 fossology
FOSSology About FOSSology is an open source license compliance software system and toolkit. As a toolkit, you can run license, copyright, and export control scans from the command line. As a system, a database and web UI are provided to give you a compliance workflow. In one click you can generate an SPDX file or a ReadMe with all the copyrights notices from your software. FOSSology deduplication means that you can scan an entire distro, rescan a new version, and only the changed files will get rescanned. This is a big time saver for large projects. Check out Who Uses FOSSology! FOSSology does not give legal…
read the full fossology overview →
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Frequently asked questions
Is gs-quant or fossology more popular?
gs-quant has 13,876 GitHub stars and fossology has 1,044. gs-quant has the larger community by that measure.
Are gs-quant and fossology free?
Both are open source. gs-quant is licensed under Apache-2.0 and fossology under GPL-2.0. Neither carries a licence fee.
What is the difference between gs-quant and fossology?
gs-quant is written in Python and fossology in HTML. 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 fossology?
Choose gs-quant if you want the larger community (13,876 stars) or its Apache-2.0 licence terms. Choose fossology if its feature set, stack or GPL-2.0 licence fits better. Both are self-hostable.