A simple web app filled with CS courses designed to give developers the skills they need to get a high-paying job.




HackerRank is described as 'A fun social platform for hackers to solve interesting puzzles, build quick hacks, code game bots and collaborate to solve real-world challenges' and is a Code Learning service in the development category. There are more than 100 alternatives to HackerRank, not only websites but also apps for a variety of platforms, including SaaS, Windows, Mac and Self-Hosted apps. The best HackerRank alternative is exercism, which is both free and Open Source. Other great sites and apps similar to HackerRank are LeetCode, Codewars, tutorialspoint and Project Euler.
A simple web app filled with CS courses designed to give developers the skills they need to get a high-paying job.




Equip is built for recruiters to conduct pre-hiring assessments. Our assessments test multiple skills at different competencies. Using our vast Question Libraries, or creating Custom Tests enables teams to hire developers, designers, sales representatives and more!



Codejudge’s live coding interview platform is a developer & recruiter savvy tool with a provision to frame questions in SQL & system design and 20+ coding languages.




Triplebyte helps engineering teams use data-backed assessments to measure candidates' technical skills and calibrate vs global talent pool. This helps reduce wasted interviews, find hidden gems from underrepresented backgrounds, and hire faster.



DevPrep is a voice interview simulator that actually talks back. The AI asks you technical questions out loud, listens to your spoken answer, evaluates it, and asks follow-up questions just like a real technical interviewer would.




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




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%.



It tests actual skills to find the real problem solvers


octree.io is a platform where you can practice Leetcode-style problems in a room with other people. It serves as a supplement to Leetcode as you can invite your friends to practice problems together. It features a Game Room, Trivia Room and a Lobby which is a Slack-like chat...

We help companies identify the best developer candidate for a job by testing them on carefully crafted work sample assessments that mirror a situation parallel to that at work, under realistic and standardized conditions.




At Geektastic we help our client's thoroughly evaluate their future talent using our unique peer reviewed code challenge platform. We believe a candidate is worth more than a score and the only way to thoroughly understand how suitable they are to work in your team is to...
Geektastic use humans and not machines to assess candidates, meaning you get a much more comprehensive and useful review.


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.
Kattis helps companies make safer recruitments and attract the best developers with its dynamic challenge platform.



The customer support is awesome and the tasks are really carefully thought out. They must've spent a long time on them