Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
Jira Service Desk - IT service desk and customer service software by Jira Service Desk. Powerful ticketing system used by 25,000+ organizations. Try it free today.
Shutter - Shutter is a feature-rich screenshot program.
Freshservice - Freshservice: the one-stop cloud solution for all your IT management needs.
Snipping Tool - Use Snipping Tool to capture a screen shot, or snip, of any object on your screen, and then annotate, save, or share the image
ServiceNow - ServiceNow automates and manages global enterprise service relationships. Create a single system of record for enterprise services, automate manual tasks, consolidate legacy ITIL systems.