Fourmolu
6.7#3 in code formatting toolsFree planFree planWebLinuxWindows
VisitFourmolu vs Spotless
What both publish
| Fact | Fourmolu | Spotless |
|---|---|---|
| Purpose | Fourmolu formats Haskell source code and is a configurable fork of Ormolu. | Spotless formats source code and can check files for formatting violations or apply fixes. |
Fourmolu plans
- FourmoluFree
Spotless plans
- FreeFree
- dp.simstate.differ—
Pick Fourmolu if…
It suits Haskell developers who want configurable source formatting, including teams seeking editor or CI integration. Developers using CPP or CRLF line endings should review its stated limitations.
Pick Spotless if…
Spotless suits developers and teams that want formatting checks or fixes integrated with their build tools and editors. It can be used across projects with different languages and build environments.