MathHub.info is a portal for active mathematical documents and an archive for flexiformal mathematics. It offers a rich interface for reading, writing, and interacting with mathematical documents and knowledge.

The MathHub.info system consists of a

• repository manager for mathematical archives based on GitLab that handles user management, access control, and versioning.
• knowledge management process based on the MMT System that provides scalable knowledge management services and math presentation.
• various indices and data stores including MathWebSearch.
• a web front end compositor that combines these into a uniform web experience.
• some special applications like a multilingual glossary and a math dictionary based on the SMGloM data set.

MathHub.info serves as the main data repository for the OAF and SMGloM projects and (the KWARC part of the OpenDreamKit project.