Kanban project management software
Free project scheduling and management tool
Quality based Open Source Project Organiser.
Free & Open Source - Project / Task / Time & Team Management Software
Free flexible open source todo manager featuring hierarchical tasks
#1 alternative to Microsoft Project : Project Management & Gantt Chart
Test & requirements management
FreelancerBooks -Project Management for Freelancers and Agencies
PWM let you organize your project in a Web 2.0 way.
Agile + Pomodoro Time Management Freeware
PHP & MySQL/SQLite -based Project Management System
Open Source, tasks, bug tracking, agile scrum, timesheet, wiki
Orange Project Management is a Free Tool Web Project Management Tool
Laboratory Information Management System with Complete Lab. Automation
SCRUM project management
A trading platform including ERP, CRM, and accounting