Simple Online Planning
IGSuite is a web-ajax-based Integrated Groupware Suite
Gestor de Tareas
Minimalist desktop "to do" list
hierarchical note jotter - organise your ideas, notes, facts in a tree
Small Business Appliance
simple php/mysql project management system for sustainability planning
Open source project management
Free flexible open source todo manager featuring hierarchical tasks
Todo task manager with simple, fast and intuitive user interface
Sticky notes/post-it application for linux
Outliner and time organizer for todo lists, events or scheduling tasks
Collabtive is web based project management software. Simple and easy.
PWM let you organize your project in a Web 2.0 way.
Entorno Colaborativo
PHP & MySQL/SQLite -based Project Management System
Open Source, tasks, bug tracking, agile scrum, timesheet, wiki