הרחבות
SML
Allows Opera 15+ to display SML web pages
Arc Admin App Access
access Arc Publishing admin environments
Codecov Extension
Coverage reports overlay in Github and Bitbucket.
CSS Shapes Editor
Interactive editor for CSS Shapes.
Internet Archive This
Submits the current tab to the Internet Archive (must be publicly accessible).
RGBlind
Simulate color blindness in your web browser.
Blendup
A tool for web developers to preview blend modes on different page elements.
chevent
CSS3 Button Maker
Is CSS button code generator free easy tool that allows you create beautiful and elegant CSS web buttons in few clicks
Edit with Sublime Text
Edit an HTML element and all its child nodes in Sublime Text editor with real-time updates
Free Counter Stat
Our application will inform you in real time the traffic of your website.
GitHub EditorConfig
EditorConfig support for GitHub
Shuffle Extension Toolbar
Customize the sequence of extension icons as you like
Strike Out Nofollow Links
Just strikes out nofollow links via CSS3 selectors.
Update Notification
Get notified of Opera automatic updates
Check Wordpress Version
WordPress Vulnerability Scanner - Scan for vulnerabilities, version, themes, plugins and much more!
Advanced Site Checker
Check your site for issues.
Dev extensions reload
Reload enabled development extensions
GitHub Projects Plus
Adds advanced labels management and other functionality to GitHub.
GitHub: Tell Me When It Closes
Add tellmewhenitcloses.com button to GitHub issues and pull requests.
Hitsteps Visitor Manager
Get your website analytics insight and get notified about updates and live support requests in your dashboard
Nextsense Signing Component
Signing XML and PDF document.
SafeEngine
上海CA中心发布的一套数字证书安全扩展，主要为运行在Web上的系统平台提供安全接口。通过这套安全扩展，可以轻松地在Web端中实现对称加解密、非对称加解密、信息摘要、数字签名以及签名验证等一系列PKI基本功能，而且还支持国密SM系列算法标准
Sitecore Extensions
Small improvements which will make your work with Sitecore much easier.
AWF2 :: New Tasks
Browser Calories
The easiest way to measure your performance budget
codesy.io
Codesy is a platform for fixing and funding open source software.
Encode Decode HTML
Encode HTML to show it in the HTML pages a code instead of rendered HTML. Decode HTML to convert it back to HTML code
GitHub (Enterprise) Projects Plus
[Deprecated] Adds advanced labels management and other functionality to GitHub.
Octopatcher
Arrgh Some Patchy Goodness to GitHub
OmniTool
OmniTool for omniconvert.com
Service Worker Detector
This extension detects if a website registers a Service Worker.