freeCodeCamp
Python Certification
freeCodeCamp's new interactive Python certification, launched December 2025, with a free exam.
Free certificateProgramming
300 hrsBeginner
173 free courses
All free online courses
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3 of 173 free courses match
Madhavan Mukund's NPTEL course on Python, sorting, searching and core data structures.
Paid certificateProgramming48 hrsBeginnerMIT OpenCourseWare
6.006 Introduction to Algorithms
MIT's core algorithms course with Erik Demaine, Jason Ku and Justin Solomon.
No certificateProgramming90 hrsIntermediate