Top 7 Haskell Type System Projects

write-you-a-haskell

4 3,304 0.0 Haskell

Building a modern functional compiler from first principles. (http://dev.stephendiehl.com/fun/)

Project mention: A decade of developing a programming language | news.ycombinator.com | 2023-11-14

I highly recommend https://github.com/sdiehl/write-you-a-haskell as it is very developer friendly. It’s not complete, but it really gets the gears turning and will set you up for writing your own Hendley-Milner style type checker.

morloc

3 193 9.0 Haskell

A typed, polyglot, functional language
WorkOS

workos.com sponsored

The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
typelevel-rewrite-rules

4 61 1.2 Haskell

rewrite rules for type-level equalities
uom-plugin

0 30 0.0 Haskell

Units of measure as a GHC typechecker plugin
type-level-numbers

0 8 0.0 Haskell

Implementation of type level natural and signed integer numbers in haskell using type families.
type-eq

0 5 0.0 Haskell

Type equality evidence you can carry around
funspection

0 0 0.0 Haskell

Type-level function utilities
InfluxDB

www.influxdata.com sponsored

Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).