WinCompose - WinCompose supports the standard Compose file format.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
BabelMap - Unicode Character Map for Windows
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Event Viewer - Get help, support, and tutorials for Windows products—Windows 10, Windows 8.1, Windows 7, and Windows 10 Mobile.
LightShot - The fastest way to take a customizable screenshot.