Learn and Practice on almost all coding interview questions asked historically and get referred to the best tech companies.
Cost / License
- Free
- Proprietary
Platforms
- Online
Kattis is described as 'Helps companies make safer recruitments and attract the best developers with its dynamic challenge platform' and is an website in the development category. There are more than 10 alternatives to Kattis, not only websites but also apps for a variety of platforms, including Mac, Windows, SaaS and Linux apps. The best Kattis alternative is LeetCode, which is free. Other great sites and apps similar to Kattis are HackerRank, Codewars, Project Euler and CheckIO.
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.


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.
VIM Adventures is an online game based on VIM's keyboard shortcuts (commands, motions and operators). It's the "Zelda meets text editing" game. It's a puzzle game for practicing and memorizing VIM commands (good old VI is also covered, of course).

We provide a way to track progress of many different tools developers use and turn it into an achievements and leaderboard based game. It makes work at a software company similar to playing multiplayer game.



DevSkiller is a developer screening and online interview platform powered by RealLifeTesting™ methodology. The tool allows you to find developers with the right skill set, shortening your Time-to-Hire by 60%.



DevSkiller is the most popular Android & iPhone alternative to Kattis.
Remote Interview is an online tool for tech recruiters to hire best programmers and coders by analyzing their coding skills.



Screen technical skills automatically with online coding challenges. Save time, reduce recruitment costs and hire better developers.



Take-Home Coding Assignments That Provide Real Insights. Identify great candidates using real tasks, not brainteasers. Streamline your tech recruiting workflow and make better hiring decisions.




Evaluate is a developer screening platform with pre-made tests that include programming and theory. Fully free until the end of 2020.




Xobin is an AI based Tech Hiring Platform for Secure Assessments and Collaborative Interviews enabling enterprises to build teams 4X faster.




Stop wasting your engineers' time with candidates you never hire. Paircast video take-homes show you how candidates solve real-world problems before they reach your engineers. Records screen and code changes during development. Works with all languages.
