Kattis

The developer testing tool that helps you make safer recruitments.

Code Arcade

Complete coding tasks to advance levels in this arcade for programmers.

Learn programming with a multiplayer live coding strategy game.

CodeSignal is the leading assessment platform for technical hiring.

The Ultimate Profile For Coders | Measure your skills and knowledge, compare them to market and find a personalized way to grow.

Achieve code mastery through challenge.

Review of DevSKiller Software: system overview, features, price and cost information. Get free demos and compare to similar programs.

Geektastic is a platform that manages peer reviewed code challenges supported by a community of qualified software engineers.

Interview Mocha, a leading pre-employment skill assessment platform, helps organizations hire job-fit candidates faster.

Practice and level up your development skills and prepare for technical interviews.

Peer-to-peer practice for live technical interviews

Project Euler is a series of challenging mathematical/computer programming problems that will…

Remote Interview offers online programming screening tests.

Learn to code JavaScript by playing game.

A platform for IT skill testing and recruitment.

Download and solve practice problems in over 30 different languages.