Cost / License
- Free
- Proprietary
Platforms
- Online

KillerCoder is described as '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' and is an website in the development category. There are more than 25 alternatives to KillerCoder, not only websites but also apps for a variety of platforms, including SaaS, Mac, Windows and Linux apps. The best KillerCoder alternative is HackerRank. It's not free, so if you're looking for a free alternative, you could try HackerRank or LeetCode. Other great sites and apps similar to KillerCoder are Project Euler, Coderbyte, CodeSignal and Topcoder.

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).




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

Remote Interview is an online tool for tech recruiters to hire best programmers and coders by analyzing their coding skills.



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 KillerCoder.
Attract and test your applicants by giving them cool challenges. Last man standing is the candidate you are looking for.



Sphere Contest is the most popular Self-Hosted alternative to KillerCoder.
Screen technical skills automatically with online coding challenges. Save time, reduce recruitment costs and hire better developers.



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



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.




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.




Measure skills effectively with our online tests and save time by interviewing only the best candidates.
Evaluate is a developer screening platform with pre-made tests that include programming and theory. Fully free until the end of 2020.



