The best alternatives to Katib are Markdown Editor, Write.md, and Moeditor. If these 3 options don't work for you, we've listed a few more alternatives below.
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Hurree— The smarter, simpler way to analyze your data
Markdown Editor is a modern, open-source and developer friendly WYSIWYG editor, which features a web version and a native standalone version for mac,windows and linux os.
Write.md is an easy to use markdown editor tool that automatically creates a document URL to make sharing and collaboration quick and easy. No need fo an account to get started.