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Microsoft is killing WordPad in Windows after 28 years
(www.bleepingcomputer.com)
This is a most excellent place for technology news and articles.
Plenty? I know one and its fork. That's about one and a half.
EDIT: Oh, you probably meant the rich text editors like Wordpad, not text processors like Word. My bad for misunderstanding.
ScintillaTE is an old-ass one. Most people have never heard of it, and those that have have only heard of its variant, UniSciTE, which came bundled as the default text editor for Unity, something like 15 years ago.
I didn’t know Joeffice had a fork. What’s it called?
Knowing the Internet, it would be Joemom, I presume? :)
Assuming you are talking about OpenOffice and LibreOffice, there's also CollaboraOffice (although this may be counted as another half one, since it's a online fork of LO) and OnlyOffice in the FOSS sphere. Probably more out there I'm not aware off.
I think AbiWord is still around, which used to be the FOSS simple, WordPad-like word processor of choice.