https://github.com/simonmichael/quickbench - Easily time one or more commands with one or more executables and show tabular results

https://github.com/simonmichael/shelltestrunner - Easy, repeatable testing of CLI programs/commands

https://github.com/simonmichael/hledger - Robust, fast, intuitive plain text accounting tool with CLI, TUI and web interfaces

https://github.com/haskell-game/fungen - A lightweight, cross-platform, OpenGL-based 2D game engine in Haskell

https://haskell-game.dev - a small selection of the many games written in Haskell

https://haskell-via-sokoban.nomeata.de - Haskell via Sokoban

https://lhbg-book.link - Learn Haskell by building a blog generator

https://github.com/input-output-hk - the Cardano blockchain and Daedalus wallet

https://github.com/jgm/pandoc - Universal markup converter (already mentioned above)

https://github.com/simplex-chat/simplex-chat - secure messaging platform

https://www.libhunt.com/l/haskell - more projects...