An essential component of the automated testing systems is the judge, i.e. a program assessing the submitted solutions. kolejka-judge is a library, which aids the programmer in the effective developing of such programs, in a concise, yet expressive manner. kolejka-judge is used to test student programs in satori system using kolejka as backend.

The original version of kolejka-judge was designed and developed by Tomasz Zieliński.

Support for CUDA was added by Rafał Jankowski.

Improved support for Python and Rust languages was added by Dominik Matuszek.