AtCoder
atcoder.jpAtCoder hosts online programming contests, including beginner and heuristic contests, with practice contests for new users.
Looking for something like Toph? Here are 24 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 2 are free or have a free plan and 2 are open source.
Toph hosts competitive programming contests and problems on algorithms and data structures, with a community for participants.
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | AtCoder | — | Not stated | Web |
| 2 | CP-Algorithms | — | Not stated | Web |
| 3 | Awesome Leetcode Resources | — | Yes | — |
| 4 | Coding Problems | — | Yes | — |
| 5 | EMKC | — | Not stated | Web |
| 6 | USACO Guide | — | Not stated | Web |
| 7 | CodeAbbey | — | Not stated | Web |
| 8 | NeetCode | — | Not stated | Web |
| 9 | modern-cpp-tricks | — | Not stated | — |
| 10 | Scratch | Free | Not stated | Web |
AtCoder hosts online programming contests, including beginner and heuristic contests, with practice contests for new users.
Competitive programming algorithms are documented with descriptions and examples in CP-Algorithms.
Awesome LeetCode Resources collects learning materials for data structures and algorithms and provides a newsletter link.
Coding Problems provides solutions to coding and algorithm problems and multiple programming exercises.
EMKC offers practical coding challenges and contests that can be completed in any of 17 programming languages.
USACO Guide curates competitive programming tutorials and resources organized from USACO Bronze through Platinum.
CodeAbbey offers programming problems for practice, with recent challenges and a programming certificate.
NeetCode offers coding interview practice through courses, assessments, head-to-head mode, and a catalog of programming problems.
This list collects modern C++ techniques used in coding interviews and competitive programming.
Scratch lets people create interactive stories, games, and animations with a visual programming language and online community.
Codewars offers community-created coding exercises called kata, with practice across more than 55 programming languages.
A beginner tutorial introduces game programming with QB64 Phoenix Edition.
Codility Developer Training offers hands-on programming lessons, including exercises on topics such as binary gaps.
Rosetta Code presents solutions to the same programming tasks in multiple languages for comparison.
Programiz offers free online compilers and code editors alongside programming tutorials for languages including Python, JavaScript, SQL, and C++.
ZetCode offers accessible programming tutorials covering C#, Go, Python, Java, and other languages.
30 Seconds of Code offers hundreds of short coding articles to help readers practice programming skills.
The Ebook Foundation's free-programming-books repository lists freely available learning resources in many languages.
TryRuby gives users a short, interactive introduction to programming in Ruby.
Learn X in Y Minutes offers concise programming language tours and examples.
Amit’s Game Programming Information answers questions about learning game development, building games, and progressing as a programmer.
Exercism offers practice and mentoring across 83 programming languages.
TechSchool provides free technology education and programming courses, including Elixir, Python, Ruby, React, and Node.
Why's (Poignant) Guide to Ruby introduces Ruby programming through an illustrated guide for beginners.
Alternatives are suggested from the purpose and features described in our listings. Different pages for the same product appear once. Read each description to check whether it fits your task. How we choose alternatives · Suggest an alternative