Definitely 25 TB. I’ve used the service for a long time, since before they accepted credit cards. I attached my credit card one day and got a bump to 25 TB. Since that happened, I pay basically nothing and my account is still 100% storj token funded.
Edit: I dug up screenshots I sent someone recently
Another vote for Obsidian. Markdown is powerful enough to be used anywhere. I’m currently using Obsidian with the Templater plugin to write. Entries I want published get copied to the directory I use to build my site with Zola.