How you can help us build Exercism

Proofread and update


Never contributed to an open source project? Give this a go. We'll help you submit your first pull request.

0 issues need help
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Improve a concept or exercise


Fix bugs and make improvements to concepts and exercise across Exercism. Help students have a smooth and error-free experience.

56 issues need help
Dart Nim Haskell
Dart, Nim, Haskell, Groovy + 37 more need help
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Create a new exercise or concept


Build out a new exercise or concept based on a track's roadmap. Have fun making interactive content that millions of people will use.

41 issues need help
Elixir Java C#
Elixir, Java, C#, Go + 3 more need help
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Develop a test runner


Test runners power our online editor. All tracks have basic test runners, but many need more advanced features and functionality adding.

78 issues need help
D ClojureScript Gleam
D, ClojureScript, Gleam, Ruby + 37 more need help
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Develop an analyzer


Analyzers give automated feedback to students through ASTs analysis. These are complex and deeply interesting pieces of software to develop.

48 issues need help
x86-64 Assembly JavaScript PureScript
x86-64 Assembly, JavaScript, PureScript, Delphi Pascal + 27 more need help
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Develop a representer


Representers help us spot identical solutions so that we can reuse feedback. Simpler than analyzers but fun and interesting to reason about.

32 issues need help
C Scheme D
C, Scheme, D, Factor + 25 more need help
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