JavaFX/OpenJFX is a set of graphics and media APIs that enables Java developers to design, create, test, debug, and deploy rich client applications that operate consistently across diverse platforms.

xmlto is a front-end to an XSL toolchain. It chooses an appropriate stylesheet for the conversion you want and applies it using an external XSLT processor (currently, only xsltproc is supported). It also performs any necessary post-processing.

libcomerr is an attempt to present a common error-handling mechanism to manipulate the most common form of error code in a fashion that does not have the problems identified with mechanisms commonly in use.

Command-line utility for adjusting the frequency and volume and muting and unmuting FM radio cards.

A gkrellm plugin to control radio tuners on Linux. It allows you to define and jump between a number of radio stations. With a mouse wheel you can dial tune to any frequency.