Harvard Online
CS50's Introduction to Programming with Python
Harvard's dedicated Python course: functions to unit tests, regex and object-oriented programming.
Free certificateProgramming
60 hrsBeginner
173 free courses
All free online courses
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Linux Foundation Training & Certification
Introduction to Serverless on Kubernetes (LFS157)
A free Linux Foundation course on running serverless functions on Kubernetes with OpenFaaS.
Free certificateCloud & DevOps13 hrsBeginnerfreeCodeCamp
JavaScript Certification
freeCodeCamp's rebuilt JavaScript certification: language basics to DOM, events and async code.
Free certificateProgramming300 hrsBeginnerGoogle
Learn JavaScript
web.dev's free JavaScript course covering the core language from the ground up.
Free certificateWeb Development15 hrsBeginnerfreeCodeCamp
Python Certification
freeCodeCamp's new interactive Python certification, launched December 2025, with a free exam.
Free certificateProgramming300 hrsBeginnerKaggle Learn
Advanced SQL
Kaggle's follow-on SQL course: unions, analytic functions, nested data and efficient queries.
Free certificateData Science4 hrsIntermediateMacquarie University's course on preparing and analysing data in Excel: text and date functions, named ranges, tables and lookups.
Paid certificateCareer Skills20 hrsIntermediate