Wren - Offset your carbon footprint by saving rainforests
GlusterFS - GlusterFS is a scale-out network-attached storage file system.
Klima - Go carbon neutral
containerd - An industry-standard container runtime with an emphasis on simplicity, robustness and portability
Capture - A great free screen capture utility that allows you to capture either a window or the desktop and save it to either a file or the clipboard.
Apache Karaf - Apache Karaf is a lightweight, modern and polymorphic container powered by OSGi.