Bitwarden 是一个安全且免费的跨平台密码管理器。

Adds price history charts and the option to be alerted on price drops to all Amazon sites.

View definitions easily as you browse the web.

The easiest, fastest way to capture articles, videos, and more.

Take a Speedtest directly from your toolbar to quickly test your internet performance without interruption.

Tag Assistant helps to troubleshoot installation of various Google tags including Google Analytics, Google Tag Manager and more.

Watch shows and movies in sync with friends around the world

Learn languages completely free, without ads or hidden charges. It's fun, easy, and scientifically proven.

Cute and well-tested dark themes for websites

Fast-forward, rewind, adjust playback speed on any video

Diagramming software for students, educators, and faculty with an email address from accredited educational institutions.

创建和编辑 Jams

CK-12 is an app to help students, and teachers improve K-12 learning globally by providing self-pace learning content & tools.

Neat dark themes for the most popular websites

SketchUp in a browser for Primary and Secondary Schools signed up with G Suite for Education.

This extension sets your search engine to Ecosia and customizes your new tab page so you can plant trees with every search.

Keep your searches private by redirecting searches that may be tracked to Hide My Searches, a privacy-focused search engine.

Keep your searches private by redirecting searches that may be tracked to Search Encrypt, a privacy-focused search engine.

Make your computer run smoothly by suspending the tabs you aren't using

A global dark theme for the web.

Fast, one-click access to millions of research papers.

Keyword search volume, cpc and competition for 15+ websites like Google™ Search Console, YouTube™, Amazon™ & more

Take selfies with your camera using over 80 free fun effects. Save photos to your computer, or share online.

A minimalistic dark theme without any distractions

Adds a toolbar button with various web developer tools.

Play over 50 levels of box-jumping madness! Design and share your own levels.

绘制流程图、实体模型、UML、思维导图与更多图表的最便捷方式。

Internet-Start will replace your current search and transform the results for your search query into convenient format.

Use a variety of unique faces on Twitch!

Toolbar for web development