This package provides the Bcmath module(s) for PHP.

FFmpegthumbnailer is a lightweight video thumbnailer that can be used by file managers to create thumbnails for your video files. The thumbnailer uses ffmpeg to decode frames from the video files, so supported videoformats depend on the configuration flags of ffmpeg.

upower provides an interface to enumerate power sources on the system and control system-wide power management. Any application can access the org.freedesktop.UPower service on the system message bus. Some operations (such as suspending the system) are restricted using PolicyKit.

The watchdog program writes to /dev/watchdog every ten seconds. If the device is opened but not written to within a minute, the machine will reboot. This feature is available when the kernel is built with "software watchdog" support (standard in Debian kernels) or if the machine is equipped with a hardware watchdog (in which case this package can also be used to "pet" it, resetting its timer).

JSON is a Perl module for manipulating data stored in the format of the same name. JavaScript Object Notation (JSON) is a simple data serialization format (defined in RFC 4627) that serves as an alternative to XML.