CiviCRM - A Constituent relationship management for the Civic Sector
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
EspoCRM - EspoCRM is open source CRM (Customer Relationship Management) software that allows you to see, enter and evaluate all your company relationships regardless of the type.
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Pipeliner CRM - Pipeliner CRM empowers small to medium-sized sales teams to close more deals and lower risk. Implementation and training are a breeze. Mac & Windows.
LightShot - The fastest way to take a customizable screenshot.