Apps similar to CodeSubmit include exercism, which is open source with a free version. Other options are LeetCode, HackerRank, Codewars and Project Euler. You're spoiled for choice with Code Learning Services like CodeSubmit: we list more than 50 alternatives for the web, Windows, Mac, Linux and iPhone.
Coderbyte is a place built for anyone to practice and perfect their programming skills. Challenges are added almost every day so you can work on applying your algorithmic thought process on any problem you want at anytime.
United States
CodeSignal is the leading provider of assessments for technical hires. As the creator of the Predictive Coding Score, a measure of a candidates coding skills, CodeSignal provides HR teams with Certified Assessments, Custom Tests, and Live Interviews.
United States
Sphere Online Judge created for the coders' community to train, to learn and to make progress. With thousands of programming problems and an international group of users Spoj is one of the best programmers' communities and online judges in the world.
Topcoder provides members opportunities to demonstrate their expertise, improve their skills, and win cash, while helping real world organizations solve real world problems.
CodeChef is a not-for-profit educational initiative by Directi, an Indian software company. It is a global programming community that fosters learning and friendly competition, built on top of the world’s largest competitive programming platform.
India
Codility is an evidence-based platform helps hiring teams predict the real-life skills of their candidates, remotely and at scale. This brings faster hiring, time savings, and gives engineers more time to solve problems that matter.
HackerEarth is the most comprehensive developer assessment software that helps companies to accurately measure the skills of developers during the recruiting process.
United States
Learn and Practice on almost all coding interview questions asked historically and get referred to the best tech companies.
KillerCoder.io is a testing platform to test developers and improve your technical hiring efficiency. Create an account and invite prospective candidates and test their technical and/or soft skills.
Belgium
EU
InterviewMe is an automatic recruiting platform. It helps you to filter out inappropriate candidates, saving you money and time. We are an automatic recruiting platform. We help you to filter out inappropriate candidates, saving you money and time.
Poland
