Greasemonkey

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

30 Seconds of Knowledge

Become a better developer, in every new tab.

Walk into any sales pitch prepared to close. We filter 100’s of sources to find out what makes your prospect tick

CommentSold is a platform for automating invoices and inventory management across Facebook, Instagram, and privately branded Webstore

SMS bot that monitors your bank account & saves you money

Styles and skins for all popular sites in the web

Know your financial situation and when you can retire

Send group messages to people at places

Modify requests, inject JavaScript and CSS into pages.

Penny is a personal finance app that takes the pain out of keeping track of your finances.

Your Bookmarklets, On Steroids

Short-range anonymous messaging (Secret meets Firechat)

Stylus is a userstyles editor and manager based on the source code of Stylish version 1.5.2.

Greasemonkey compatible script manager.

Violentmonkey is a userscript manager to support running userscripts in web pages.

The first virtual assistant in personal finance.

YubNub is a networking web service with a command line–style interface.

A user styles manager for the Web