I found myself in the same situation a little while ago. The closest thing I found was MarsEdit: https://redsweater.com/marsedit/. - Source: Hacker News / 8 months ago

I am selling off my old license for Mars Edit 4, a mac app that allows you to write offline then syncs with your WordPress. https://redsweater.com/marsedit/. DM me if interested. Thanks. Source: over 2 years ago

There's a website where it's gamified and you get points and daily reminders in your email. https://750words.com/. Source: about 1 year ago

At least one entry per day, generally more (I also use 750words.com and I have a streak of about 260 days). Source: over 1 year ago

There's a website called 750 words (you can write more though!) https://750words.com/ You create a login and it saves all your work and gives you some really helpful stats. Check it out. Source: over 1 year ago

You could start journaling on 750words.com (assuming that the site is still up and running). At least when I was using I for journalling, you could password protect whatever you're writing. Source: over 1 year ago

Great idea. Looks good. It's always great to develop something for your own use. Years ago I used a similar site: https://750words.com/. - Source: Hacker News / over 1 year ago