fourmolu VS fay

Compare fourmolu vs fay and see what are their differences.


A fourk of ormolu that uses four space indentation and allows arbitrary configuration. Don't like it? PRs welcome! (by parsonsmatt)


A proper subset of Haskell that compiles to JavaScript (by faylang)
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fourmolu fay
0 1
124 1,259
6.5% 0.1%
8.6 4.2
6 days ago 6 months ago
Haskell Haskell
BSD 3-clause "New" or "Revised" License BSD 3-clause "New" or "Revised" License
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.


Posts with mentions or reviews of fourmolu. We have used some of these posts to build our list of alternatives and similar projects.

We haven't tracked posts mentioning fourmolu yet.
Tracking mentions began in Dec 2020.


Posts with mentions or reviews of fay. We have used some of these posts to build our list of alternatives and similar projects.

What are some alternatives?

When comparing fourmolu and fay you can also consider the following projects:

ormolu - A formatter for Haskell source code

elm-init - Initialise scaffolding for a new Elm project

ihaskell - A Haskell kernel for IPython.

module-management - Clean up Haskell imports, split and merge Haskell modules

purescript-bundle-fast - A fast alternative to PureScript's `psc-bundle` to be used during development

hoogle - Haskell API search engine

gitHUD - command-line HUD for your git repo

leksah - Haskell IDE

hlint - Haskell source code suggestions


lit - A modern tool for literate programming

keiretsu - Multi-process orchestration for development and integration testing