Open source note taking and to-do app with synchronization
An open-source, self-hosted memo hub with knowledge management
sleek is a todo.txt manager, free and open-source (FOSS)
Easy to set up bug tracking with Java
The Freeplane add-on that syncs a GTD mind map with a todo.txt file
Freeplane add-on for task management and memo taking
WeekToDo is a Free and Open Source Minimalist Weekly Planner and To Do
a free mind mapping tool, to especially assist decision making
Open source project management
Free flexible open source todo manager featuring hierarchical tasks
A note taking program with WebDAV sync
Collabtive is web based project management software. Simple and easy.
Daily Task Management Software with Report Generation
PHP & MySQL/SQLite -based Project Management System
Cross Platform Sticky Note App For The Desktop
Piggydb helps you have more fun with knowledge creation.
Open Source, tasks, bug tracking, agile scrum, timesheet, wiki
Personal organizer focused on usability and user productivity