Bluesky. They use Expo on top of React Native, use React Native for Web (with a desktop and mobile), and for mobile native apps. Let's note that because the cl

Bluesky. They use Expo on top of React Native, use React Native for Web (with a desktop and mobile), and for mobile native apps. Let's note that because the clients are fully open-source and on GitHub, people from Expo and React Native are helping the little team behind the clients improve performance over time: it's not their final form!