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.
iStudiez - iStudiez combines tracking schedule, homework and grades with a delightful user experience.
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.
MyHomework - myHomework is an app where students can manage their school life.
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.
FamCal - FamCal is an organized and managed calendar to track the family records like events, notes, and dates of births.