GetMeDone is a task manager in the spirit of Getting Things Done. It uses PostgreSQL as a backend and is written in Tcl/Tk. Currently only tested on Linux, it should be easy to extend to run on Mac OS and Windows. It features easy filtering of contexts, priorities, and time, advanced recurrent tasks, linking tasks to projects, deadlines, an ideas list, and the ability to defer tasks to future dates.
Minkowsky is a combination of a calendar, address book, and task management software. It is a client/server application; all data is managed on a server and displayed on the client. It was designed to manage calendars for small-to-mid-sized groups, so it lets you look into other calendars to check who is available for a meeting. To each address in the address book, a memo pad is associated to take memos about phone calls, etc.
Remind is a full-featured calendar/reminder program featuring sophisticated date calculation, moon phases, sunrise/sunset, Hebrew calendar, alarms, PostScript output, an X front-end, multilingual messages, and proper handling of holidays. It also includes scripts for making a nice WWW calendar server.
YaaCs (Yet Another Advanced Cati system) is written in Tcl/Tk to manage and realize computer assisted telephone interviewing (CATI) and telemarketing. It make easy monitoring survey progress (giving several information), and it allows the management of the the survey with several administration tools. It simplifies the interviewer's work reading all contact's data from an easy and functional GUI. It can send faxes via hylaFAX and save all contact's data in a PostgreSQL database.
]project-open[ is a Web-based enterprise project management application with a focus on finance and collaboration. Its main purpose is to coordinate the work of project managers, project members, and stake holders across multiple projects. Target organizations are companies or corporate departments that need to track finances, tasks, and resources for a large number of concurrently running projects. ]project-open[ consists of about 200 modules for resource management, time sheet management, HR, CRM, ITSM, collaboration, and financials. It is built on top of OpenACS.org, an open-source Web platform featuring role-based permissions, workflows, dynamically extensible objects, and full-text search.