Browse Later - Browse later is a Firefox add-on using WebExtensions that let you save the current tab to read it...
WebCull - WebCull is an ad-free, privacy-focused bookmark manager that works from any browser or device.
Pocket - When you find something you want to view later, put it in Pocket.
Save For Later - Allows you to bookmark any website to read later.
historious - historious is a single-click bookmarking search engine. Bookmark a site you like, then come back to historious and search for it using some keywords. It's that simple!
Purify - Read news articles with minimal distraction and scrolling.