oTasks is a multi-user tasks management system, featuring a recursive and distributed task tree, an open user management system (everybody can create an account), and email notifications. It can be used as trouble-ticket system.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
"루트 (전류 직장) 작업을 디스플레이 화면, 날짜, 지원에 하위 작업 및"작업 경로를 표시 (시작 / 마감), 문의 화면에 몇 가지 문제에 대한 수정 프로그램과 새로운 의견 양식.
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Major feature enhancements
Displaying subtasks and the "task path" (from root to current job) on task display screen, date support (start/deadline), fixes for some issues on the contact screen, and a new feedback form.