1
CodeAbbey
codeabbey.comSame kind of website
CodeAbbey offers programming problems for practice, with recent challenges and a programming certificate.
Alternatives
The Best CSES Problemset Alternatives in 2026
14 alternatives1 free · 2 open source
Looking for something like CSES Problemset? Here are 14 alternatives, ranked by how closely they match it on purpose, features and platforms. Of these, 1 are free or have a free plan and 2 are open source.
About CSES Problemsetcses.fi/problemset
VisitCSES Problem Set provides programming tasks for practice, with problem categories, statistics, and account features.
Top picks at a glance
First suggestionCodeAbbeyCodeAbbey offers programming problems for practice, with…Free or freemium optionExercismExercism offers practice and mentoring across 83…Open source optionVideosThis repository provides solutions to LeetCode problems for…Another optionKattisKattis provides a problem archive for users to practice…
Quick comparison
| # | Alternative | Pricing | Open source | Platforms |
|---|---|---|---|---|
| 1 | CodeAbbey | — | Not stated | Web |
| 2 | Kattis | — | Not stated | Web |
| 3 | NeetCode | — | Not stated | Web |
| 4 | Rosetta Code | — | Not stated | Web |
| 5 | Toph | — | Not stated | Web |
| 6 | GeeksforGeeks | — | Not stated | Linux, Web |
| 7 | AtCoder | — | Not stated | Web |
| 8 | Codewars | — | Not stated | Web |
| 9 | 30 Seconds of Code | — | Not stated | Web |
| 10 | Exercism | Free | Not stated | Web |
All CSES Problemset alternatives
2
Kattis
open.kattis.comSame kind of website
Kattis provides a problem archive for users to practice programming challenges.
3
NeetCode
neetcode.ioSame kind of website
NeetCode offers coding interview practice through courses, assessments, head-to-head mode, and a catalog of programming problems.
4
Rosetta Code
rosettacode.org/wiki/Rosetta_CodeSame kind of website
Rosetta Code presents solutions to the same programming tasks in multiple languages for comparison.
5
Toph
toph.coSame kind of website
Toph hosts competitive programming contests and problems on algorithms and data structures, with a community for participants.
6
GeeksforGeeks
geeksforgeeks.orgSame kind of website
GeeksforGeeks provides programming tutorials, courses, interview preparation, and data structure practice.
7
AtCoder
atcoder.jpSame kind of website
AtCoder hosts online programming contests, including beginner and heuristic contests, with practice contests for new users.
8
Codewars
codewars.comSame kind of website
Codewars offers community-created coding exercises called kata, with practice across more than 55 programming languages.
9
30 Seconds of Code
30secondsofcode.orgSame kind of website
30 Seconds of Code offers hundreds of short coding articles to help readers practice programming skills.
10
Same kind of website · free
Exercism offers practice and mentoring across 83 programming languages.
11
Checki0
checkio.orgSame kind of website
CheckiO provides coding games where learners practice Python and TypeScript programming.
12
Data Engineering Practice Problems
github.com/danielbeach/data-engineering-practiceData Engineering Practice Problems provides exercises for practicing data engineering skills.
13
Open source
This repository provides solutions to LeetCode problems for readers to review and use in coding practice.
14
Open source
Coding Problems provides solutions to coding and algorithm problems and multiple programming exercises.
No alternatives match this filter.
Alternatives to similar tools
CodeAbbey24 alternativesGeeksforGeeks24 alternativesData Engineering Practice Problems24 alternativesCoding Problems24 alternativesCodewars24 alternativesChecki024 alternatives
What is the best alternative to CSES Problemset?
Based on features, tags and platforms, the closest alternatives to CSES Problemset are CodeAbbey, Kattis, and NeetCode.
Is there a free alternative to CSES Problemset?
Yes. Exercism is free or offer a free plan.
Are there open-source alternatives to CSES Problemset?
Yes: Videos and Coding Problems.
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