Topcoder is described as 'provides members opportunities to demonstrate their expertise, improve their skills, and win cash, while helping real world organizations solve real world problems' and is an website in the Development category. There are more than 10 alternatives to Topcoder, not only websites but also apps for a variety of platforms, including SaaS, Windows, iPhone and Mac. The best alternative is HackerRank. It's not free, so if you're looking for a free alternative, you could try Codewars or LeetCode. Other great sites and apps similar to Topcoder are Edabit (Paid), CodeSignal (Paid), Spoj (Free) and Codingbat (Free).
- 23 alternatives
- 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. View 47 alternatives to CodeSignal
- Paid • Proprietary
- 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. View 19 alternatives to SpojNo screenshots yet
- Free • Proprietary