Yesod - Yesod is a development tool used to create highly efficient websites and web applications from the ground up. Yesod includes almost everything you need to build a website, from templates to routing and execution. Read more about Yesod.

EssentialPIM - EssentialPIM is a free Personal Information Manager that keeps up with the times and lets you manage appointments, tasks, notes, contacts, password entries and email messages across multiple devices and cloud applications.

Scotty - Scotty is a Haskell framework inspired by Ruby's Sinatra.

Todo.txt - Track your tasks and projects in a plain text file, todo.txt. A todo.

IHP - The fastest way to buildtype safe web apps 🔥

Task Coach - Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.