Jira may be extremely sluggish and require a large amount of memory on the client side.
accessiBe - Making websites accessible to people with disabilities
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.
Sim Daltonism - From the perspective of a color blind person, some colors are impossible to distinguish.
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.
Coblis - If you are not suffering from a color vision deficiency it is very hard to imagine how it looks...
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.