Based on our record, Joplin seems to be a lot more popular than MultiMarkdown Composer. While we know about 350 links to Joplin, we've tracked only 3 mentions of MultiMarkdown Composer. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
First off, CriticMarkup is an "extension" to Markdown with syntax for addition, deletion, substitution, comment, and highlight. Knowing this might help you find tools which support it. I know MultiMarkdown Composer on Mac is one such tool. Source: almost 2 years ago
It is closer to Multimarkdown. As a pandoc GUI, it should be compared to PanWriter which is open-source is grown from within the pandoc community, where you can contribute to make it better. Also try the VSCode extension vscode-markdown-it-pandoc which applies the markdownit extension in PanWriter to VSCode’s markdown extension. Source: over 2 years ago
To those comparing to other softwares: It is closer to [Multimarkdown](https://multimarkdown.com/). As a pandoc GUI, it should be compared to [PanWriter](https://panwriter.com) which is open-source is grown from within the pandoc community, where you can contribute to make it better. - Source: Hacker News / over 2 years ago
I've had great success with using Joplin for this, with Syncthing as a sync backend. Works well across OSes; I use it on Linux, macOS, Windows and Android. https://joplinapp.org/. - Source: Hacker News / 2 months ago
I use https://joplinapp.org because it allows for pasting images and files. Has easy sync and also mobile and desktop apps. Free and open source. - Source: Hacker News / 2 months ago
Joplin, an open source, extendable, Markdown-based hierarchical note-taking app: https://joplinapp.org/ It lets you choose a synchronization backend, offers applications for every major desktop and mobile OS (also has a terminal version). You can create notebooks and subnotebooks to organize your notes. You can also add tags for better search experience. I created notebooks for specific domains (work-related, home... - Source: Hacker News / 4 months ago
I'm not certain, but I believe that Joplin will serve your needs. Source: 5 months ago
Joplin (free, but sponsored) in combination with a Storagebox at Hetzner. Joplin allows us to share notes, shopping lists, to do lists, etc via Webdav between our various devices (mobile phones, laptops, desktops). https://joplinapp.org and https://www.hetzner.com/de/storage/storage-box. - Source: Hacker News / 7 months ago
Typora - A minimal Markdown reading & writing app.
Standard Notes - A safe place for your notes, thoughts, and life's work
MacDown - MacDown is an open source Markdown editor for OS X, released under the MIT License.
OneNote - Get the OneNote app for free on your tablet, phone, and computer, so you can capture your ideas and to-do lists in one place wherever you are. Or try OneNote with Office for free.
Frost - An open API for Blockchain timestamping
Evernote - Bring your life's work together in one digital workspace. Evernote is the place to collect inspirational ideas, write meaningful words, and move your important projects forward.