Mixtags is described as 'simply bookmarking with tags,' and is an website in the Web Browsers category. There are more than 25 alternatives to Mixtags, not only websites but also apps for a variety of platforms, including Windows, Mac, Firefox and Google Chrome. The best alternative is Firefox Sync, which is both free and Open Source. Other great sites and apps similar to Mixtags are SeaMonkey (Free, Open Source), Diigo (Freemium), Tagpacker (Free) and Pinboard (Paid).
Web-browser, advanced e-mail, newsgroup and feed client, IRC chat, and HTML editing in one application. Itis built on the open source Mozilla Gecko engine, the same code which underlies Thunderbird and is the base for the Firefox browser.
Pinboard is a bookmarking website intended for people who want to reliably keep track of large numbers of links. Its goals are to be useful, fight bloat, keep things fast, and stay small. Social bookmarking for introverts. m.pinboard.in
In your browsers address bar, type "saved.io/" in front of the URL of the site you want to save. Hit enter and you'll be redirected to saved.io where you can see the saved link. All you need is a web browser. You don't need to install any apps or extensions.