The best alternatives to Keep Everything are Pocket, Instapaper, and Taggy. If these 3 options don't work for you, we've listed a few more alternatives below.
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Instapaper is a bookmarking service that allows web content to be saved so it can be "read later" on a different device, such as an e-reader, smartphone, or tablet.
Taggy is an application for fast saving texts, links or images without losing focus while you are in the middle of the work, reading or something else.
WebSatchel is a web extension that allows users to save highly accurate copies of web pages, store them on googles cloud and search for them on the WebSatchel website. Free to use and new users get 1 gigabyte of free storage. New features added regularly such as highlighting which allows for quick and easy referencing. Start saving pages today!