Findbigmail: Find Big Mail helps you to identify the big mails that are taking up tons of storage space. It scans your inbox and sort the emails with file attachments into various folders. Attachment with file size less than 500KB are labelled as “My Big Mail” while bigger than 2MB are labelled as “My Ultra Big Mail”. You can then switch to those folders and delete those big emails to free up storage space.
Awayfind: When you receive an urgent message, AwayFind will notify you via your mobile device, a voice call, IM, or even delegate the message to someone you specify.
Rapprortive: Rapportive takes the email address of the sender and builds a profile based on all the other social networks – like LinkedIn, Facebook, Twitter, etc. – where that person may have a presence.
Gist: Gist is a contact manager with a social angle. It has more of an emphasis on allowing you to flesh out contact data than Rapport does, which is all about pulling in data from other services. Gist for BlackBerry smartphones is a personal tool that enables you to access and organize your contacts in one place, updated with the latest news everywhere you need it.
Boomrang: Boomerang allows you to schedule your emails to be sent at a particular time. It is a great tool for busy people who like to plan ahead of their schedule. You can compose an email now and schedule it to be sent a later time.
Greplin: Greplin is a personal search engine that allows you to search all your online data in one easy place.Greplin indexes the information you create on different websites (like Gmail, Twitter and Facebook) and provides lightning fast search of all your information.
Sanebox: Automatically filter your email of spam and unimportant messages to only see the emails that are important.
Other inbox: OtherInbox is an organizer for your Gmail account. Once installed, it will scan your Gmail inbox and sort your emails to various categories (via label). It also has an “unsubscribe” category where all mails placed in it will be automatically unsubscribed. Even if the unsubscribe link does not work, you can be sure that emails from this sender will not appear in your inbox again