SimpMusic is a simple, open-source music app for Android and Desktop.

Seafile is an open source, self-hosted file sync and share solution with high performance and reliability. Sync, access, and collaborate on files on your own server or private cloud.

Self-hosted photo and video management solution. Easily back up, organize, and manage your photos on your own server. Immich helps you browse, search and organize your photos and videos with ease, without sacrificing your privacy.

RustDesk is the best open-source remote desktop software. Secure alternative to TeamViewer and AnyDesk with self-hosted servers. Cross-platform support for Windows, macOS, Linux, and Android.