Social Source Commons

Cross-platform project management software.

Free hosted event planning and invitation mailing website.

Project timing and billing

Meeting or event scheduler.

Free online schedule management service.

Organizational tool for professionals.

You can view your activities on a beautiful Timeline for every day or quickly see what matters to you in the statistics for applications, music, websites and your own projects.

Online appointment scheduler.

Timeline is a DHTML-based AJAXy widget for visualizing time-based events. It is like Google Maps for time-based information.

Chandler is a Note-to-Self Organizer designed for personal and small-group task management and calendaring.

Chandler consists of a desktop application and Chandler Hub, a sharing service and web application. You can also download and install your own Chandler Server.

Chandler is open source and standards-based.

FET is free software (open source) for automatically scheduling the timetable of a school, high-school or university. It uses a fast and efficient timetabling algorithm. You can freely use, copy, modify and re-distribute it, as GNU/GPL permits

A great set of tools for people working across multiple time zones, include current time for any city in the world, multi-time zone meeting scheduler, and custom calendar tools.

Giver's Circle Fundraising Software is fundraising software from Osnium that helps organizations manage board members, supporters, pledges, online tasks and even staff.