The Landing Page Cookbook - A guide for makers who want to create better landing pages.
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.
Landing Pages in MailChimp - Easy to build, custom landing pages for free
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.
/Tab - The simple way to split a bill among friends.
Redmine - Flexible project management web application