head to head · open source
gs-quant vs fossology
gs-quant has 12,976 GitHub stars, 1,751 forks, 73 open issues and last shipped 2 days ago. fossology has 1,032 stars, 644 forks, 290 open issues and last shipped yesterday. gs-quant leads on adoption by 1,157% (12,976 vs 1,032 stars). gs-quant is written in Python under Apache-2.0; fossology is written in HTML under GPL-2.0. gs-quant has attracted 13% as many forks as stars, fossology 62%. 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 | ★ 13K | ★ 1.0K |
| License | Apache-2.0 | GPL-2.0 |
| Written in | Python | HTML |
| Last push | 2026-09-16 | 2026-09-17 |
| Forks | ⑂ 1.8K | ⑂ 644 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick gs-quant if
- You weight community size — 13K 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 is an Apache 2.0 Python toolkit for quantitative finance, maintained by quantitative developers at Goldman Sachs, and it is intended for quants and institutional clients of the bank who build derivative pricing, trading strategy and risk management workflows on top of Goldman Sachs' risk transfer platform.
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 advi…
read the full fossology overview →
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Frequently asked questions
Is gs-quant or fossology more popular?
gs-quant has 12,976 GitHub stars and fossology has 1,032. 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 (12,976 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.