How you can help us build Exercism

Proofread and update

Beginner

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

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Improve a concept or exercise

Intermediary

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

56 issues need help
Groovy R Lua
Groovy, R, Lua, Go + 38 more need help
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Create a new exercise or concept

Advanced

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

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

Project

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

74 issues need help
Delphi Pascal Cairo Racket
Delphi Pascal, Cairo, Racket, Objective-C + 37 more need help
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Develop an analyzer

Project

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

48 issues need help
D Fortran C++
D, Fortran, C++, x86-64 Assembly + 27 more need help
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Develop a representer

Project

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
Standard ML Zig Delphi Pascal
Standard ML, Zig, Delphi Pascal, x86-64 Assembly + 25 more need help
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