Readwise, Pocket, Raindrop.io, Pinterest, Eagle , Feedly, start.me, Instapaper, Diigo, wallabag, Evernote Web Clipper, Pinboard, linkish.io, Additor.io, MyMark.Me, Pearltrees, LARDER, Cling.com, Tagpacker, OneNote Web Clipper, Shaarli, Diigo Web Collector, Bookmark Sidebar, historious, Matter Reader, lxi.ai, DoMarks, Leanote, Saved.io, Dropmark, Qlearly, WebCrate, LinkAce, EverSync, Stash.ai, Nextcloud Bookmarks, Viralwalk, Sidebery, GGather, Savee, Shiori Bookmark Manager, Bunklist, Email This, PopBoardz, LinkLocker, Bookmark Ninja, Bort, kweeper are some alternatives to Omnivore.