Jira - The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.

Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.

Redmine - Flexible project management web application

Shutter - Shutter is a feature-rich screenshot program.

PlanShell - PlanShell offer a secure, low cost, unlimited project management & issue tracking redmine hosting services

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