Propensive is a European technology company, specializing in supporting the Scala programming community through open-source software, community events and training services.

We develop, support and maintain a selection of small—but powerful—Scala libraries and tools, and organize the Scala World conference in the Lake District—perhaps the most exciting event on the Scala calendar.


An revolutionary new build tool and dependency manager for Scala.


Fast, easy and transparent generic typeclass derivation.

Functional Africa

Our project to support functional developers in Africa.

Scala One Training

Advanced Type Mechanics, a course for advanced developers to fully understand Scala's type system.


A comprehensive online course for programming in Scala 3, free for everyone, always.