CodeAbbey offers programming problems for practice, with recent challenges and a programming certificate.
Kattis
vsToph
Kattis vs Toph
How do Kattis and Toph compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Kattis | Toph |
|---|---|---|
| What it is | Kattis provides a problem archive for users to practice programming challenges. | Toph hosts competitive programming contests and problems on algorithms and data structures, with a community for participants. |
| Website | ||
| Type | Website | Website |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Web | Web |
| Open source | Not stated | Not stated |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both Kattis and Toph.
AtCoder hosts online programming contests, including beginner and heuristic contests, with practice contests for new users.
EMKC offers practical coding challenges and contests that can be completed in any of 17 programming languages.
NeetCode offers coding interview practice through courses, assessments, head-to-head mode, and a catalog of programming problems.
Codewars offers community-created coding exercises called kata, with practice across more than 55 programming languages.
Coding Problems provides solutions to coding and algorithm problems and multiple programming exercises.
Open source
24 alternatives