Open Source C Scheduling Software for FreeBSD

Gammu is a cellular manager for mobile phones/modems. It contains libraries and functions for ringtones,logos,phonebook,SMS,etc. (used by external software), a command line version (with backup/restore) and SMS gateway (with MySQL and PostgreSQL supp

OpenChange is a portable Open Source implementation of Microsoft Exchange server and Exchange protocols. It provides a complete solution to interoperate with Microsoft Outlook clients or Microsoft Exchange servers. OpenChange client-side library is used in existing messaging clients and is the solution in new projects to communicate natively with Microsoft Exchange and Exchange-compatible servers. OpenChange server is a transparent Microsoft Exchange server replacement using native Exchange protocols and does not require any plugin installation in Outlook.

EMAS is a web-based system written in ANSI C which provides the user a great way to manage your events.

GNOBB is a fully functional user-friendly calendar system for X Windowing System, particularly for GNOME.

Sample is the missing link in the POSIX-compliant cron-family of task scheduling tools. Sample monitors files on a user-by-user basis and waits for their timestamp/filesize to hit a threshold thereby executing a specified command to handle the files.

Yank is a simple notekeer and todo-list manager using the gnome and gtk libraries. It feels stable and usable enough to be released to the public but it surely lacks some (not so important) features which might be added later.