This looks pretty useful. I like:
1. Templatized meetings. I do this already - I pull up templates/new-client.txt, duplicate it (most of the time), and then take notes. It's annoying to do. Hera's workflow is really nice.
2. Rules to pick a template based on meeting title is really useful
3. It's not clear what "Streams" are. I grokked the mental model while watching the Loom screencast UNTIL you the Rules section and you brought up the concept of a Stream. No idea what that is but it made me think that my mental model for the software was incomplete.
4. I love that you export to todo apps. Many note taking tools assume you're not using another todo app - Hera acknowledges the reality that you almost certainly are. A vote to integrate w/ Things.
5. It seems like Hera is an ephemeral place to TAKE notes, but not necessarily KEEP notes. Like a scratch pad where notes are taken and then disseminated to a todo list or Slack/Gsuite/Notion. Is that the intention? Related: a vote to export to Evernote please.
Will definitely try it out. Good work!