Transmission is a BitTorrent client which features a variety of user interfaces on top of a cross-platform back-end.

Jellyfin is the Free Software Media System that puts you in control of managing and streaming your media. There are no strings attached, no premium licenses or features, and no hidden agendas.

openmediavault is the next generation network attached storage (NAS) solution based on Debian Linux.

phpMyAdmin is a free software tool written in PHP, intended to handle the administration of MySQL over the Web. phpMyAdmin supports a wide range of operations on MySQL and MariaDB. Frequently used operations (managing databases, tables, columns, relations, indexes, users, permissions, etc) can be performed via the user interface, while you still have the ability to directly execute any SQL statement.

Double Commander is a free cross platform open source file manager with two panels side by side. It is inspired by Total Commander and features some new ideas.