A fast, unobtrusive and modern cross-platform GUI toolkit. Agar fully exploits hardware acceleration where available, but also supports simple frame-buffer interfaces. Agar is stand-alone and easily portable to new platforms and graphics systems.
Leevi is an user interface for Lexicon MX300 reverberation device (and possibly other MX'es), similar what Lexicon ships along with their devices for Windows. Leevi works with POSIX compatible operating environments, like Linux, and BSD.