The most popular Chrome extension, block ads across the Internet include Youtube, Facebook.

Notifier for gmail, yahoo, hotmail, aol and more webmails.X-notifier(aka WebMail Notifier) checks your webmail accounts and notifies the number of unread emails...Supports : gmail, yahoo, hotmail, POP3/IMAP, facebook, twitter and more This add-on is not compatible with your version of Firefox because of the following: Download Anyway The developer of this add-on asks that you help support its continued development by making a small contribution.

Contextual (inline) unit, timezone, and currency converter on any web site, plus custom conversions for offline text. Shopping assistant also included -- find the best deals online! (Currency conversions and shopping assistant disabled by default.) Learn why Converter was created and find out what's next for this add-on.

The magical augmented reality star gazing and astronomy app.

How long are your favorite video games? HowLongToBeat has the answer. Create a backlog, submit your game times and compete with your friends!

EXTREMELY powerful tool. Backup ALL apps, Market links, remove bloatware & MORE!

Your beautiful and simple to-do list

Timesheet manager - easy to use, highly adaptive

Microsoft introduced the User Account Control (UAC) in Windows Vista and Windows Server 2008 to block activities requiring administrative privileges on Windows systems until an administrator permits them. The company relaxed the feature in Windows 7 and Server 2008 R2 to make it less annoying for users.