Commercial support

The following companies offer professional support services for libsodium and applications using libsodium:

Frank Denis

Libsodium's primary maintainer services include:

  • Expert assistance with configuring, installing, integrating, and optimizing libsodium and libhydrogen for your systems and applications.

  • Porting to new platforms.

  • Custom packages tailored to your specific needs.

  • Long-term support, including backporting of security fixes to ensure continued protection.

  • Developement of bindings for currently unsupported languages.

  • Security review of constructions, protocols, and applications involving cryptography.

  • Implementation of new cryptographic primitives in various programming languages.

  • Consulting and mentoring services.

Email consulting [at] for inquiries.

Libsodium-specific services include:

  • Cryptographic and implementation auditing of libsodium usage.

  • Security review of constructions, protocols, and applications using libsodium.

  • Consulting on libsodium usage in applications – web apps, backends, mobile, embedded, kernel, etc.

  • General consulting and review of cryptography inquiries.

  • Implementation security and helping to work toward a vulnerability-free codebase.

  • Reverse engineering of complicated binaries.

  • General consulting, advising, mentoring, and development.

Paragon Initiative Enterprises (

Libsodium-specific services include:

  • Library integration, with a focus on web applications (PHP, .NET, Python).

  • Bespoke or standard high-level protocol design and implementation (e.g. Noise).

  • Security audits for in-house library integrations and/or high-level protocols.

  • Custom application development that requires cryptography.

  • Consulting and mentoring services.

(Please submit a pull request if you want your company added to that list)

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