Twitter is a global social networking platform where users can share and broadcast ideas, opinions, live updates, news, and messages online known as tweets. Users can also interact with others by replying, retweeting, and liking their tweets.
Evernote is an app that allows users to create all kinds of notes and keep all their ideas organized and collected in the same spot. The app also offers a lot of tools to share ideas and even create agendas for their teammates.
c:geo is a simple to use and powerful geocaching client with a lot of additional features. All you need to get started is an existing account on geocaching.com and you will be able to use c:geo, that offers basic support for other geocaching platforms (like Opencaching).
TripIt is a travel organizer that creates a full itinerary for your trip. It tells you the nearest transport options, provides you with real-time flight alerts and can even share your plans in an instant.
Amazon Kindle is a free cross-platform to download and use. With this app, you can carry with you all the ebooks you want! It is the best option for those who want to read any type of publication such as books, magazines or newspapers.
Dropbox is a cloud-based file hosting service for personal or business use, available on computers and mobile devices. Easily store all your data in a safe and secure location that sync across all your devices or can be shared with friends or co-workers for collaborative work.
2Do is a free task management app available for iOS and Android devices. Its features include quick entry, cloud sync, smart lists, batch editing, and full-text soundex searches. A free trial is also available for the Mac version.