KillerCoder Alternatives

    KillerCoder is described as 'io is a testing platform to test developers and improve your technical hiring efficiency'. 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. The best alternative is HackerRank. It's not free, so if you're looking for a free alternative, you could try Codewars or Project Euler. Other great sites and apps similar to KillerCoder are LeetCode (Freemium), Coderbyte (Freemium), CodeSignal (Paid) and Codility.com (Paid).

    The list of alternatives was last updated Oct 26, 2020

    • Engaging social network tasking developers with real world coding challenges and connecting them with great companies.
      • Free Personal
      • Online
    • Achieve code mastery through challenge.
      No screenshots yet
      • Freemium
      • Online


    • Project Euler is a series of challenging mathematical/computer programming problems that will require more than just mathematical insights to solve.
      • Free
      • Online
    • Practice and level up your development skills and prepare for technical interviews.
      • Freemium
      • Online
    • Coderbyte is a place built for anyone to practice and perfect their programming skills.
      No screenshots yet
      • Freemium
      • Online
    • 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.
      No screenshots yet
      • Mac
      • Windows
      • Online
      • Software as a Service (SaaS)
    • The Ultimate Profile For Coders - Measure your skills and knowledge, compare them
      to market and find a personalized way to grow.
      • Free
      • Software as a Service (SaaS)
    • Topcoder provides members opportunities to demonstrate their expertise, improve their skills, and win cash, while helping real world organizations solve real world problems.
      No screenshots yet
      • Free
      • Online
    • Remote Interview is an online tool for tech recruiters to hire best programmers and coders by analyzing their coding skills.
      • Freemium
      • Online