It's their system and data but you can make apps to connect to their system. (interestingengineering.com)
Bluesky operates on the AT Protocol, an open-source framework developed in-house, which supports a federated network design. This innovative protocol enables developers to create independent social apps that integrate seamlessly with Bluesky, allowing users to transfer their data, followers, and handles across platforms.
It's (((open source))) but only in the way you connect to their BeastSystemTM service.
[It's their system and data but you can make apps to connect to their system.](https://interestingengineering.com/culture/bluesky-101-everything-you-should-know)
>Bluesky operates on the AT Protocol, an open-source framework developed in-house, which supports a federated network design. This innovative protocol enables developers to create independent social apps that integrate seamlessly with Bluesky, allowing users to transfer their data, followers, and handles across platforms.
It's (((open source))) but only in the way you connect to their BeastSystemTM service.
And that's exactly why I won't even waste my time looking at it.
And that's exactly why I won't even waste my time looking at it.