Code-Chef is an online educational program and competitive programming community of global programmers. Code-Chef started as an educational initiative in 2009 by Directi, an Indian software company. In 2020, it became owned by Unacademy.

Coding Ninjas was founded in 2016 to bridge the knowledge gap between colleges and industry.Founded by Ankush Singla, Kannu Mittal and Dhawal Parate, Coding Ninjas boasts of world-class teaching faculty and a state-of-art learning platform for Coding education with faculty alumni of IIT, Stanford, IIIT and Facebook.

Codeforces is a website that hosts competitive programming contests. It is maintained by a group of competitive programmers from ITMO University led by Mikhail Mirzayanov. Since 2013, Codeforces claims to surpass Topcoder in terms of active contestants.

InterviewBit is a platform to learn skills that you need for technology jobs. We help you polish your skills and get ready for the job, whether you are a fresh college graduate or a working professional.