Another example of a thing that could have been a Nostr closed community that forced its members to use Nostr against their will:
View quoted note →
Do you know of other examples?

Handmade Network
Handmade Network
A community of low-level programmers with high-level goals, working to correct the course of the software industry.

And later you can publish (as previously signed, with old timestamp) or edit and resign and republish -- or discard and delete.
Notes that fail to publish (because you're offline or your relays are offline) are automatically saved.
The "Pending" menu only shows up if you have anything pending.