Mayan EDMS - Document management without the headaches.

Todo.txt - Track your tasks and projects in a plain text file, todo.txt. A todo.

MS SharePoint - Share, organize, and discover information with Microsoft SharePoint. Learn about SharePoint Online, OneDrive for Business, and Apps for SharePoint

Task Coach - Task Coach is a simple open source todo manager to keep track of personal tasks and todo lists.

OpenKM - OpenKM is an easy to use powerful version control system that enables businesses efficiently and systematically capture, store, secure, manage, maintain and distribute corporate information assets with the goal of facilitating knowledge creation, op…

Strikethru - Strikethru is a kind of to-do list notebook for managing work lists and staying updated with the important tasks.