Markdown editor that opens local files from relative links

Question

I usually maintain notes with Zim Desktop Wiki. It has a wiki-like GUI (with hyperlinks), and behind the scenes stores text files in a folder. It has it's own markup language.

I'm looking for a similar tool that specifically stores files in Markdown (or CommonMark) format. So it should:

• have a free/libre/open license
• be packaged for Debian (or can otherwise be installed on Debian)
• read and write to Markdown (preferably CommonMark)
• have an editing GUI
• when the user clicks on a relative link, open the local file corresponding to that link

It would ideally:

• support project wikis (as found on GitHub, GitLab, Gogs and Gitea)

It does not have to implement:

• formatting toolbar
• convert markup to visual layout (plain text with links is fine)
• markup language other than Markdown/CommonMark

Answer 1

I would suggest taking a look at RedNotebook.

• Items are stored as plain text, (and archived as zip files).
• have a free/libre/open license Free, Gratis & Open Source
• be packaged for Debian (or can otherwise be installed on Debian) Cross Platform including Linux
• read and write to Markdown (preferably CommonMark) Uses a variant of markdown
• have an editing GUI Yes & a display one
• when the user clicks on a relative link, open the local file corresponding to that link Opens both local files & URLs with the default association
• Spell Checking
• Embed Pictures
• Multiple Languages
• Export to a number of formats.

Screenshot Editing Mode (Win 10)

Screenshot Display Mode (Win 10)