A fun social platform for hackers to solve interesting puzzles, build quick hacks, code game bots and collaborate to solve real-world challenges.


TrueCert is described as 'Runs short, practical skills assessments across the DevOps and cloud stack and turns each result into a verifiable, shareable credential' and is an app in the development category. There are more than 10 alternatives to TrueCert for a variety of platforms, including Web-based, Mac, Windows, SaaS and Android apps. The best TrueCert alternative is HackerRank. It's not free, so if you're looking for a free alternative, you could try HackerRank or HackerEarth. Other great apps like TrueCert are CodeSignal, Codility.com, iMocha and Adaface.
A fun social platform for hackers to solve interesting puzzles, build quick hacks, code game bots and collaborate to solve real-world challenges.


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.
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.




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.




iMocha is a skills intelligence and assessment platform that enables talent teams to make smarter talent decisions. With the world’s largest skill assessment library for 2500+ skills, iMocha helps organizations to make intelligent talent decisions.

Adaface helps you identify the top candidates for all your tech roles fast. Save crucial engineering time by screening candidates with 750+ custom assessments for on-the-job skills (all programming languages, frameworks, aptitude).




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%.



Measure skills effectively with our online tests and save time by interviewing only the best candidates.
Mercer Mettl is a leading Online Assessment Platform, and one of the fastest growing Talent Assessment, Online Examination & Certification Platform.