GanttProject is a free, open source project management software. It is mature and probably one of the most complex project management tools which offer an impressive list of features considering it's a free program distributed und...
JabRef is the real open source bibliography reference manager. It uses BibTeX as its native format. It is an excellent editor for BibTeX files allowing you to perform several actions when dealing with such data....
Task Coach is a free, open source task manager. It is a software that allows you to manage your tasks, to-do lists and projects. You can use it as a personal agenda, notes application, reminder and much more. ...