About

Sigsum is a free and open-source software project that launched officially in October, 2021. The goal is to provide the necessary building blocks for building, operating and verifying transparent systems.

The project’s history is tracked in a separate document.

Maintenance

Maintenance and development of Sigsum is lead by Glasklar Teknik AB.

Funding and sponsors

Glasklar Teknik AB’s work on Sigsum is paid for by Mullvad VPN AB.

Past sponsors: