c-aff4 is a free digital forensics solution. Packet Capture (cStor®) is a commercial digital forensics solution by cPacket Networks. Features, integrations, deployment and the company behind each one, side by side.
An open source format for storing digital evidence and data, with a C/C++ library for creating, reading, and manipulating AFF4 images.
Lossless packet capture & analysis appliance at 10–200 Gbps line rate.
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Based on what each listing shows: deployment, company size, price and open source.
c-aff4 fits if you need to run it on your own servers, you are a startup or a small business, you need a free product and you want an open-source product.
Packet Capture (cStor®) fits if you need both cloud and on-premises options.
Common questions when comparing c-aff4 vs Packet Capture (cStor®) for digital forensics.
c-aff4: An open source format for storing digital evidence and data, with a C/C++ library for creating, reading, and manipulating AFF4 images.
Packet Capture (cStor®): Lossless packet capture & analysis appliance at 10–200 Gbps line rate, built by cPacket Networks.
The table above shows where their features, integrations, deployment and company size fit differ.
c-aff4 is open-source with 214 GitHub stars. Packet Capture (cStor®) is made by cPacket Networks. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. c-aff4 and Packet Capture (cStor®) are both Digital Forensics products. Key differences: c-aff4 is Free while Packet Capture (cStor®) is Commercial, c-aff4 is open-source. Use the table above to see where features, deployment and company size fit differ.
No Digital Forensics shortlist yet. This is the closest one.
Updated 2026-11-02
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