Things to try

by JJGray

18 Add-ons in this Collection

Greasemonkey by Anthony Lieuallen, Aaron Boodman, others

Rated 4 out of 5 stars 1,060 reviews

1,128,087 users

Customize the way a web page displays or behaves, by using small bits of JavaScript.

Evernote Web Clipper by Evernote

Use the Evernote Web Clipper to save things you see on the web into your Evernote account.

Xmarks Sync by Xmarks Inc.

Rated 4 out of 5 stars 2,493 reviews

260,854 users

Xmarks is the #1 bookmarking and open tab add-on. Keep your bookmarks, and open tabs backed up and synchronized across computers and browsers. Mobile phones with Premium access. Utilize LastPass to sync passwords!

All-in-One Sidebar by Ingo Wennemaring

Rated 5 out of 5 stars 1,451 reviews

154,946 users

AiOS lets you open various windows as sidebar panels, and quickly switch between them. So it put an end to the window chaos! In addition to bookmarks and history it opens dialogues such as downloads, add-ons and more in the sidebar.

Fast Dial by telega

Rated 3 out of 5 stars 2,332 reviews

101,944 users

Visual bookmarks for Firefox.

SearchPreview by Edward Ackroyd

Rated 4 out of 5 stars 375 reviews

64,154 users

The main feature of SearchPreview is to enhance your search results pages. It inserts site preview images (thumbnails), popularity ranks and sponsored links (where available) into Google™, DuckDuckGo™, Yahoo™ and Bing™ searches.

Toolbar Buttons by Michael B.

Rated 4 out of 5 stars 312 reviews

97,518 users

Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.

Integrated Inbox for Gmail and Google Apps by MichaelAtUVa, LEVEL4, others

Rated 5 out of 5 stars 249 reviews

9,653 users

Tired of having multiple tabs open just to view your favorite Google services and other Apps like Feedly, Evernote, Twitter and more? Now you can see them right from your Gmail Inbox.

Install now or visit www.integratedinbox.com for more info.

Feedly - Beyond Google Reader by feedly

Download Now

Experimental

Rated 5 out of 5 stars 3,259 reviews

50,703 users

A productive way to organize, read and share the content of your favorite feeds, blogs and news sites. Feedly offers a seamless transition from Google Reader.

Brief by Adam Kowalczyk, Denis Lisov

Rated 4 out of 5 stars 589 reviews

16,434 users

Brief makes reading RSS feeds as easy and intuitive as it gets. Designed to have exactly the right set of features, it is powerful and simple at the same time. Feeds are presented on a seamless, interactive page which let's you bookmark and tag items...

NoSquint by Jason Tackaberry

Download Now

Experimental

Rated 5 out of 5 stars 473 reviews

166,487 users

NoSquint is no longer maintained. :(

Google Redesigned by Globex Designs, Inc.

Rated 4 out of 5 stars 326 reviews

4,862 users

A complete redesign of popular Google services, Google Redesigned changes the appearance of popular Google services.

Automatic Save Folder by Cyan

Rated 4 out of 5 stars 143 reviews

2,681 users

This add-on will open the File Browser at the right location, using simple filters on the downloaded file.
The filters are based on filenames and hosted domain's name.

Barra de Español by Peter Carroll

Rated 5 out of 5 stars 6 reviews

711 users

Toolbar for students of the Spanish language. Includes word definition search, entry of special characters, and links to native Spanish websites.

Mozilla Labs - Prism by Mozilla Labs

Create Prism applications directly from Firefox
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