Nifty - Manage projects, work, and communications in one place.

accessiBe - Making websites accessible to people with disabilities

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.

Sim Daltonism - From the perspective of a color blind person, some colors are impossible to distinguish.

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.

Coblis - If you are not suffering from a color vision deficiency it is very hard to imagine how it looks...