xBrowserSync

Free and open source tool for syncing your bookmarks and browser data between your various browsers and devices.

Atavi

Your bookmarks are always close at hand!

A powerful command-line bookmark manager.

Bring your Firefox bookmarks, tabs, or passwords wherever you go with Firefox Sync. Share between computers and mobile devices. Get Firefox now!

Sync your web data across browsers and devices via your Nextcloud!

FreeMind is a premier free mind-mapping software written in Java.

Instapaper is a simple tool to save web pages for reading later.

Bookmarking for super users. Found something useful? Click the button in your web browser, Find them back in your new tab, when needed.

Linkman Pro allows for managing large amount of URLs in its own database.

Papaly is a simple social bookmarking tool to manage all your links.

Pinboard is a personal archive for things you find online and don’t want to forget.

When you find something you want to view later, put it in Pocket.

A free tool to quickly collect, organize, and share your favorite links.

Zenkit is the home you always wanted for your ideas, your projects, your business.

images, videos, text, links, webpages … anything

A network of PMs for people who want to get an MVP built

ymarks is a free and open source add-on for several modern web browsers, licensed under the terms of the WTFPL