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

JotterPad - JotterPad Writer for Android — Turn your thoughts into text. Go about your creative writing without distractions, write to your hearts content...

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

YourQuote - YourQuote is an interactive mobile app that helps you to write stories, quotes, screenplays, poems, and books.

Strikethru - Strikethru is a kind of to-do list notebook for managing work lists and staying updated with the important tasks.

Novelist - A portable writing assistant for novelists.