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.

Scala World

Five days of outdoor activities, conference talks and workshops, in the Lake District, England.


Fast, easy-to-use, debuggable and performant generic typeclass derivation.


Custom string interpolations, providing more typesafe literals, checked by the compiler.

Scala One Training

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