Apps similar to OnSite include Codecademy, which has a free version. Other options are LeetCode, HackerRank, InterviewBit and LeetCopilot. In total there are five Code Learning Services like OnSite for the web, Android and iPhone.
Explore free interactive coding courses in web development, data science, and various languages. Codecademy offers a fun, collaborative learning environment with community support, personalized paths, skill assessments, and more, covering both foundational and advanced concepts.
United States
LeetCode is a platform for learning and improving coding skills with the goal of being fully prepared for programming interviews. Choose problems to solve from categories such as System Design, Algorithms and Database, join code contests and engage in mock interviews.
United States
A fun social platform for hackers to solve interesting puzzles, build quick hacks, code game bots and collaborate to solve real-world challenges.
United States
Learn and Practice on almost all coding interview questions asked historically and get referred to the best tech companies.
Free AI-powered Chrome extension for LeetCode that provides intelligent coding hints, FAANG-style mock interviews, and auto-generated study notes with spaced repetition.
United States
India
