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.
OctoPrint is the snappy web interface for your 3D printer that allows you to control and monitor all aspects of your printer and print jobs, right from your browser.
Audiobookshelf is a self-hosted audiobook server for managing and playing your audiobooks.
Gitea is a community managed fork of Gogs, lightweight code hosting solution written in Go and published under the MIT license.
High performance self-hosted photo and video backup solution directly from your mobile phone
Seafile is an open source enterprise file hosting platform with high reliability and performance. Put files on your own server. Sync and share files across different devices, or access all the files as a virtual disk.
Pi-hole is a Linux network-level advertisement and internet tracker blocking application which acts as a DNS sinkhole, intended for use on a private network.
"Firefly III" is a (self-hosted) manager for your personal finances. It can help you keep track of your expenses and income, so you can spend less and save more. Firefly III supports the use of budgets, categories and tags. It can import data from external sources and it has many neat financial reports available. (Taken from the README)
Tiny Tiny RSS is a free and open source web-based news feed (RSS/Atom) reader and aggregator
Joplin - an open source note taking and to-do application with synchronization capabilities for Windows, macOS, Linux, Android and iOS.