Open Source Wunderlist Alternatives

wunderlistux - An electron wrapper for wunderlist made with :heart: for Linux (specially for elementary OS)

Online TODO list. As a web app it works great on a mobile phone or tablet once you add it to your homescreen. Minimal, open source, fully hosted, with the option for self-hosting.

jdotxt is an open source, cross-platform Desktop tool for managing your todo list. It’s geared towards Gina Trapani’s todo.txt file format and stores all of your stuff in two human readable text files.

Actiontext is a very simple and basic universal app for managing your tasks. It uses the todo.txt file format. You can then synchronise the file with your cloud provider of choice.

Milkify is a desktop client for Remember The Milk, the awesome "to-do list" web application. It allows you to manage your tasks from the desktop, the same way Thwirl or Twitterrific manage your tweets.

YourList is an on line list application with a Linux client in the making. It features creating lists, nicknaming lists, sharing lists, importing lists, exporting lists, flushing lists and a modern-looking interface.

This is a task / todo list written in PHP. It requires no SQL database whatsover, all the data is saved in a JSON text file.