- ownCloud - Alex Volkov - Access your data from all your devices, on an open platform you can extend and modify.
todo.txt- Christopher Browne - Track your tasks and projects in a plain text file, todo.txt.
todo.txtTouch - Scott Sullivan - A jaunt through using todo.txt on your mobile devices. Learn the basic and how to sync it with any todo.txt desktop tools you may be using.
jrnl- Myles Braithwaite - A command line journal application.