head to head · open source
gs-quant vs ossec-hids
gs-quant has 13,876 GitHub stars, 1,928 forks, 73 open issues and last shipped 6 days ago. ossec-hids has 5,070 stars, 1,074 forks, 125 open issues and last shipped yesterday. gs-quant leads on adoption by 174% (13,876 vs 5,070 stars). gs-quant is written in Python under Apache-2.0; ossec-hids is written in C under GPL-2.0. gs-quant has attracted 14% as many forks as stars, ossec-hids 21%. ossec-hids 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 | ossec-hids | |
|---|---|---|
| GitHub stars | ★ 14K | ★ 5.1K |
| License | Apache-2.0 | GPL-2.0 |
| Written in | Python | C |
| Last push | 2026-10-28 | 2026-11-02 |
| Forks | ⑂ 1.9K | ⑂ 1.1K |
| 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 ossec-hids if
- You want the ossec-hids feature set and don't need the biggest community
- You prefer the GPL-2.0 license terms
- Your stack matches C
- You evaluated both and ossec-hids 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 ossec-hids
OSSEC v4.3.0 Information about OSSEC OSSEC is a full platform to monitor and control your systems. It mixes together all the aspects of HIDS (host based intrusion detection), log monitoring and SIM/SIEM together in a simple, powerful and open source solution. Visit our website for the latest information. www.ossec.net Current Releases The current stable releases are available on the ossec website. Releases can be downloaded from: Downloads Release documentation is available at: docs Development The development version is hosted on GitHub and just a simple git clone away. Screenshots File Integrity Monitoring…
read the full ossec-hids overview →
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Frequently asked questions
Is gs-quant or ossec-hids more popular?
gs-quant has 13,876 GitHub stars and ossec-hids has 5,070. gs-quant has the larger community by that measure.
Are gs-quant and ossec-hids free?
Both are open source. gs-quant is licensed under Apache-2.0 and ossec-hids under GPL-2.0. Neither carries a licence fee.
What is the difference between gs-quant and ossec-hids?
gs-quant is written in Python and ossec-hids in C. 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 ossec-hids?
Choose gs-quant if you want the larger community (13,876 stars) or its Apache-2.0 licence terms. Choose ossec-hids if its feature set, stack or GPL-2.0 licence fits better. Both are self-hostable.