Xmind - Xmind is a brainstorming and mind mapping application.
Usersnap - Usersnap is a customer feedback software for SaaS companies that need to constantly improve and grow their products.
MindManager - With MindManager, flexible mind maps promote freeform thinking and quick organization of ideas, so creativity and productivity can live in harmony.
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.
MindMeister - Create, share and collaboratively work on mind maps with MindMeister, the leading online mind mapping software. Includes apps for iPhone, iPad and Android.
Redmine - Flexible project management web application