Thread by @csaba_kissi

Want to improve your coding skills?

11 FREE Coding Websites that will help you to be a better Web Developer (I'm 100% sure).

Thread 🧵👇

1️⃣ Codewars

Codewars is where developers achieve code mastery through challenge. Train on kata in the dojo and reach your highest potential.

codewars.com

2️⃣ HackerRank

HackerRank is the market-leading technical assessment and remote interview solution for hiring developers.

hackerrank.com

3️⃣ Top Technology Talent On-Demand

Topcoder is home to the world’s largest community of designers, developers, and data scientists.

Allowing you the freedom to start and execute faster.

topcoder.com

4️⃣ Coderbyte

Code Screening, Challenges, & Interview Prep

Improve your coding skills with our library of 300+ challenges and prepare for coding interviews with content from leading technology companies.

coderbyte.com

5️⃣ HackerEarth

Helping 5M+ developers level up and 1000+ recruiters hire top tech talent.

HackerEarth is a global hub of 5M+ developers. We help companies accurately assess, interview, and hire top tech talent.

hackerearth.com

6️⃣ LeetCode

The World’s Leading Online Programming Learning Platform

Level up your coding skills and quickly land a job.

This is the best place to expand your knowledge and get prepared for your next interview.

leetcode.com

7️⃣ CodeChef

Competitive Programming, Participate & Learn

CodeChef was created as a platform to help programmers make it big in the world of algorithms, computer programming, and programming contests.

codechef.com

8️⃣ Coding Game

CodinGame is a challenge-based training platform for programmers where you can play with the hottest programming topics. Solve games, code AI bots, learn from your peers, have fun.

codingame.com

9️⃣ Edabit

Learn to code with 10,000+ interactive challenges.

Gain XP, unlock achievements, and level up. Their bite-sized challenges are a shortcut through the coding maze.

edabit.com

🔟 Codeforces

Programming competitions and contests, programming community

codeforces.com

1️⃣1️⃣ Sphere Online Judge (SPOJ)

SPOJ is an online judge system with over 315K registered users and over 20K problems.

The solution to problems can be submitted in over 60 languages including C, C++, Java, Python, C#, Go, Haskell...

spoj.com

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