Todomoo 

Todomoo is a todo manager designed to help you manage paid projects without advanced scheduling.

This program can organize projects in hierarchical tasks, in different categories.

Features:

-Cost-per-hour task option

-Multilanguage (English, Italian, Spanish, French, Portuguese, Dutch, Thai, Chinese)

-Automatic backups

-Automatic minimize to tray option

-Automatic check for updates

-Portable version too

-SQLite powered