Jipes is a Java library that allows you to efficiently compute audio features. Possible uses for these features are general music information retrieval (MIR) applications or, more specifically, personal music software. Unlike many other digital signal processing (DSP) libraries or frameworks, Jipes is not meant for real time processing of a single audio stream that is manipulated and eventually played back. Instead, it focuses on efficiently executing mutiple processing pipelines that transform a signal into a feature or feature set. Since Jipes focuses on features instead of the raw, untyped signal streams, it supports rich types to be used, where other frameworks only offer arrays of raw data. Also, by using Java generics, many core interfaces and classes can be typed to whatever class you see fit for the purpose. However, Jipes also comes with useful pre-defined types and support for raw arrays.
Leevi is a user interface for the Lexicon MX300 reverberation device (and possibly other MX devices). It is similar to what Lexicon ships along with their devices for Windows operating systems. Leevi works with POSIX compatible operating environments, like Linux, FreeBSD, NetBSD, OpenBSD, and so on.
cwwav takes one or more text files (or text read from standard input) and converts the text into an audio file (wav or mp3) containing the CW (Morse code) representation of the text. It's useful for generating practice files if you are learning CW and want to practice by listening to text. It's a very simple program but it is designed to do what it does well. That is, it is designed to produce good sounding CW output files, with proper timing and comfortable envelope to avoid keyclicks and to make the CW softer.
CASampledSP is a JNI-based service provider for the javax.sound.sampled.spi interfaces. As such it is capable of decoding many popular audio formats (like mp3 and aac) at native speed taking advantage of Apple's CoreAudio library. The focus is currently on decoding and converting to LPCM, not on writing or exporting.