Cross-platform

• ChatGPT: Still one of the essentials. If it is unavailable, alternatives such as Kimi can cover some daily use cases.
• Bitwarden: A free password manager with solid multi-platform support.
• LocalSend: Useful for sending files and photos across Android, iOS, macOS, and Windows on the same local network.
• Google Authenticator: A two-factor authentication app that can export accounts to a new device.
• YouTube Music: A large catalog bundled with YouTube Premium in some regions.
• Google Photos: Multi-device photo backup with good Live Photo support.

Android

• GKD: An open-source app that can help tap through common ad skip buttons.
• Via: A small browser with strong customization for mobile browsing.

iOS

• ServerCat: A server monitoring app that can also save shell scripts.

Windows

• WGestures: Mouse gestures for system-wide shortcuts.
• Snipaste: A screenshot tool that can pin captures on the desktop.