The Open-Source Online Adaptive Testing Platform

The future of adaptive testing is universal and user-friendly. That's why the Concerto platform is completely free to use, forever.

Upcoming Workshops

06/09/17 IRT and CAT using Concerto Cambridge
14/09/17 Machine Learning using R and Concerto Cambridge
26/09/17 SEM in R Cambridge

Tailored Support from the University of Cambridge


We provide end-to-end solutions to help you implement online adaptive testing in high-stakes environments. Get the most out of Concerto by combining the freedom of open source with the confidence of tailored support from the University of Cambridge Psychometrics Centre.

Concerto in Action

Discover Your Team Role

Perfectionist, Pragmatist, Mediator, Innovator or Motivator? Find out your team role and the bridge it is symbolised by with this short Concerto test.

Try Adaptive Quality of Life Test

Try this adaptive and predictive version of the World Health Organisation’s Quality of Life assessment. Thanks to IRT, CAT and Concerto, this version is up to 75% shorter, has higher reliability in all sub-scales and provides instant feedback.

Play the Spatial Planning Game

Find the best path through the maze and discover your spatial planning ability

See how others are using Concerto

Join Our Community

Concerto is an open platform, and we love to hear about its diverse applications. Sign up below to receive occasional updates on upcoming workshops, new features and more from our diverse community.