EQL Analytics Library is a free detection engineering solution. Spectrum is a commercial detection engineering solution by Spectrum Security. Features, integrations, deployment and the company behind each one, side by side.
A library of event-based analytics written in EQL to detect adversary behaviors identified in MITRE ATT&CK, providing detection rules for the Elastic Stack.
Early-access threat detection platform targeting static & manual detection gaps.
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Based on what each listing shows: deployment, company size, price and open source.
EQL Analytics Library fits if you are a small business, you need a free product and you want an open-source product.
Common questions when comparing EQL Analytics Library vs Spectrum for detection engineering.
EQL Analytics Library: A library of event-based analytics written in EQL to detect adversary behaviors identified in MITRE ATT&CK, providing detection rules for the Elastic Stack.
Spectrum: Early-access threat detection platform targeting static & manual detection gaps. Built by Spectrum Security.
The table above shows where their features, integrations, deployment and company size fit differ.
EQL Analytics Library is open-source with 168 GitHub stars. Spectrum is made by Spectrum Security. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. EQL Analytics Library and Spectrum are both Detection Engineering products, and both cover Detection Rules. Key differences: EQL Analytics Library is Free while Spectrum is Commercial, EQL Analytics Library is open-source. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-02
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