Jira may be extremely sluggish and require a large amount of memory on the client side.
Teampaper Snap - Take a snapshot, highlight key areas and share feedback
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Zapsnap - Temporary peer to peer screenshot sharing in your browser
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
Envelop - Immersive virtual reality platform for the Windows desktop, use all your Windows apps in VR.
Wrike - Wrike is a flexible, scalable, and easy-to-use collaborative work management software that helps high-performance teams organize and accomplish their work. Try it now.