ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
MS SharePoint - Share, organize, and discover information with Microsoft SharePoint. Learn about SharePoint Online, OneDrive for Business, and Apps for SharePoint
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
NemakiWare - NemakiWare is an Open Source CMIS-compliant platform for document management.
LightShot - The fastest way to take a customizable screenshot.
Mayan EDMS - Document management without the headaches.