The best open source alternative to Typora is Mark Text. If that doesn't suit you, our users have ranked more than 100 alternatives to Typora and loads of them is open source so hopefully you can find a suitable replacement. Other interesting open source alternatives to Typora are Joplin, Zettlr, ghostwriter and Beaver Notes.
Open-source Markdown editor on Mac, Windows, and Linux offering real-time preview, clean interface, and various themes. Supports math expressions, exports HTML/PDF, allows image pasting, and more.
Very close, opensource match.
Very very similar, but the UX is a tiny bit worse (especially if like me you save often or undo/redo often)
Open source app for managing notes and to-dos with Markdown support. Syncs seamlessly across devices using services like Dropbox and OneDrive. Offers end-to-end encrypted synchronicity, offline access, rich import/export options, and a Web Clipper for browsers.
As others said, while Joplin does include MD functionality, it is to use within itself not as a general editor. I don't even know if you COULD use this as a MD editor. Not conveniently for sure.
Note taking is not an alternative to markdown editing.
Joplin is a note-taking software whereas Typora is a markdown editor
Unified writing platform offering note-taking, easy citations with Zotero integration, LaTeX/Word templates, snippets, themes, dark modes, code highlighting, multi-language support, and knowledge management with Zettelkasten for seamless writing from notes to books.
Zettlr has almost every feature of Typora, but it can do even more. An example is the support to hyperlink to other notes in the same directory (so that it is possible to implement Zettelkasten).
Zettlr is similar to Typora in interface and function, but has better features and is open source.
more feature rich, in active development, one can link files (to reference things) and open-source (Typora is not)
ghostwriter is a feature-rich text editor using Markdown syntax which makes it suitable for note-taking, document redaction, simple HTML website creation and much more.
ghostwriter is a c++ program much faster and better than any electron alternative.
pandoc support, qt-based (with c++ at back), under the auspices of kde, but does not depend on their libraries (there are Qt libraries in the archive, but you will have to put up with this)
Design is greate and OpenSource is still a big advantage about Typora.
HOWEVER, Typora is file-based, whereas Beaver Notes isn't! That is a BIG difference between booth programs! I whould say the concepts of how the informations are saved is so diffenrent that this booth programms are NOT COMPARABLE.
SiYuan is a desktop Markdown Block-Reference and Bidirectional-Link note-taking application. Support fine-grained block-level reference and Markdown WYSIWYG.
SiYuan is a note taking tool and organizer. It is not a markdown file editor
Reor is an AI-powered desktop note-taking app: it automatically links related ideas, answers questions on your notes and provides semantic search. Everything is stored locally and you can edit your notes with an Obsidian-like markdown editor.
Offline in-device task manager and note app featuring smart creation, advanced organization, calendar and list views, Markdown notes, secure SHA-256 encryption, Material You theming, multiple color themes, no tracking or ads, and import/export for total ownership.
Full-featured, open-source Markdown editor based on PageDown, the Markdown library used by Stack Overflow and the other Stack Exchange sites.
Marknote lets you create rich text notes and easily organise them into notebooks. You can personalise your notebooks by choosing an icon and accent color for each one, making it easy to distinguish between them and keep your notes at your fingertips.
acreom is an actionable personal knowledge base for developers. It helps developers ship faster by centralizing personal and team context in one place.
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Very similar to Typora, but open source. Moreover it seems that Typora will not be free when the beta ends, while Mark Text will be free forever.