Free and Open Source Software
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Lan Mouse - mouse and keyboard sharing via LAN - LinuxLinks
Lan Mouse is a cross-platform mouse and keyboard sharing software similar to universal-control on Apple devices.
It allows for using multiple PCs via a single set of mouse and keyboard. This is also known as a Software KVM switch.
This is free and open source software.
kosmorro - calculate your ephemerides - LinuxLinks
Kosmorro is a program that calculates your astronomical ephemerides. It helps you to prepare your observation nights.
Using Kosmorro is as simple as invoking kosmorro in your terminal!
By default, it will give you the current Moon phase and, if any, the events that will occur today.
Kosmorro has a lot of available options to get exactly what you want, including the possibility to get planets rise and set.
This is free and open source software.
GGH - recall your SSH sessions - LinuxLinks
GGH is software which recalls your SSH sessions. It also searches your SSH configuration file.
GGH is meant to act as a lightweight, fast wrapper around your SSH commands. It does not replace SSH as it needs SSH to work.
This is free and open source software.
Rage - simple video and audio player - LinuxLinks
Rage is a video and audio player written using the Enlightenment Foundation Libraries (EFL).
If you want a simple video player like MPlayer, but with a few more visual niceties, then Rage may be for you. Almost all of the nuts and bolts it relies on for video playback and UI are provided by EFL itself or by something EFL wraps, like GStreamer, Xine, VLC and so on. Since it uses EFL, Rage will work in X11, Wayland, even the raw framebuffer with the Framebuffer console (fbcon) or the Direct Rendering Manager (DMS) subsystem.
This is free and open source software.