Apps similar to Feed Curator include OmniOutliner. It's paid, but OPML Editor and buzz.opml are free. Other options are OutlineEdit and Bike. In total there are five Note-taking Tools like Feed Curator for Mac, Windows, Linux, the web and iPhone.
OmniOutliner is a start-to-finish writing app. Perfect for collecting information, outlining Big Ideas, adding structure to any sort of writing, and much more. From grocery lists to email drafts to long-form composition.
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The beautifully crafted outliner for your Mac. Keep ideas structured and collected every day.
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Bike is a macOS (11 and later) native outliner. Bike has good performance on big outlines. Bike uses open file formats and is scriptable too. Use Bike to record and process your ideas.
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Free online editor to create, edit, clean, manage, and merge OPML files easily. It's designed to help manage RSS/Atom feed lists on the fly, as a supplement to feed readers.
Buzz is a fast graphical editor for XML files with special support for OPML. Using the OPML convergence tools it will edit about any outline and many forms of indented text, including Python. In fact, Buzz was written with Buzz!
