Calamu Data Harbor is a commercial data loss prevention solution by Calamu. Permanent-Eraser is a free data loss prevention solution. Features, integrations, deployment and the company behind each one, side by side.
Breach-proof data storage platform using fragmentation to prevent data theft.
Secure file erasing utility for Mac OS X
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Based on what each listing shows: deployment, company size, price and open source.
Calamu Data Harbor fits if you need both cloud and on-premises options.
Permanent-Eraser fits if you need to run it on your own servers, you are a startup, you need a free product and you want an open-source product.
Common questions when comparing Calamu Data Harbor vs Permanent-Eraser for data loss prevention.
Calamu Data Harbor: Breach-proof data storage platform using fragmentation to prevent data theft. Built by Calamu.
Permanent-Eraser: Secure file erasing utility for Mac OS X.
The table above shows where their features, integrations, deployment and company size fit differ.
Calamu Data Harbor is made by Calamu. Permanent-Eraser is open-source with 22 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. Calamu Data Harbor and Permanent-Eraser are both Data Loss Prevention products. Key differences: Calamu Data Harbor is Commercial while Permanent-Eraser is Free, Permanent-Eraser 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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