Based on our record, MarkdownPad seems to be more popular. It has been mentiond 2 times since March 2021. 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.
(Opened article in Reader mode in browser, copied it, pasted into Markdownpad, cleaned up article (removed image captions, MORE: lines), made the whole article a quote, and pasted here in the comments.). Source: about 2 years ago
(I used http://markdownpad.com/ to quickly format the quoted article for posting here on Reddit). Source: over 2 years ago
Typora - A minimal Markdown reading & writing app.
K3 - K3 is a powerful data-integration solution for use with both clouds and on-premise applications such as CRM, general ledgers, trading systems, order management, and operating systems, etc.
Markdown by DaringFireball - Text-to-HTML conversion tool/syntax for web writers, by John Gruber
BedrockData - BedrockData provides solutions to connect, clean and continuously synchronize multiple cloud systems in real-time.
StackEdit - Full-featured, open-source Markdown editor based on PageDown, the Markdown library used by Stack Overflow and the other Stack Exchange sites.
Scribe Online - Cloud-based Integration Platform as a Service (iPaaS) and On-premise Data Integration Platforms.