ThinkingRock

Thinking Rock is a free software application for collecting and processing your thoughts following the GTD methodology. It is simple and easy to use. Thinking Rock allows you to collect your thoughts and process them into actions, projects, reference items, or someday/maybe items. Actions can be done by you, delegated to someone else or scheduled for a particular date. Projects can be organised with ordered actions and sub-projects. You can review all of your actions, projects and other information quickly and easily to see what you need to do or to choose what you want to do at a particular time.

Version 2.0.1 has many new functionality like criteria, recurrency, and tickle.

Requirements:

JRE version 1.6.

Limitations:

100-project trial