Course
freeCodeCamp JavaScript Algorithms and Data Structures
freeCodeCamp
View detailsCourse
freeCodeCamp Responsive Web Design Certification
Run by freeCodeCamp
OnlineOnline, Self-paced; ~300 hoursFreeOpenLow effort
About this opportunity
cs, course, Teaches HTML, CSS, Flexbox, and CSS Grid through hundreds of interactive coding challenges and five mandatory portfolio projects. Earns a free, verifiable certification shareable on LinkedIn. One of freeCodeCamp's 11 fully free certifications with no hidden fees.
Who can apply
Open to all; no prior experience required
Frequently asked
Who runs this?+
Run by freeCodeCamp. More on their website.
Who can apply?+
Open to all; no prior experience required
Is it paid?+
Free to apply. No participant fees.
Related opportunities
Course
freeCodeCamp Scientific Computing with Python
freeCodeCamp
View detailsCourse
CS50 Cybersecurity
Harvard University
View detailsCompetition
AtCoder Beginner Contest (ABC)
AtCoder Corporation
View detailsCompetition
Codeforces Competitive Programming Rounds
Codeforces (ITMO University)
View detailsCompetition
USA Computing Olympiad (USACO)
USACO (usaco.org)
View detailsUpdated 14 April 2026·Source