BaseX

License: BSD-3-Clause


Description:

BaseX is a robust, high-performance XML database engine and a highly compliant XQuery 3.1 processor with full support of the W3C Update and Full Text extensions. It serves as excellent framework for building complex data-intensive web applications. It comes with interactive user interfaces (desktop, web-based) that give you great insight into your data.

Sedna

License: Apache 2


Description:

Sedna is a free native XML database which provides a full range of core database services – persistent storage, ACID transactions, security, indices, hot backup. Flexible XML processing facilities include W3C XQuery implementation, tight integration of XQuery with full-text search facilities and a node-level update language.

Qtractor

License: GPLv2


Description:

Qtractor is an Audio/MIDI multi-track sequencer application written in C++ with the Qt framework. Target platform is Linux, where the Jack Audio Connection Kit (JACK) for audio, and the Advanced Linux Sound Architecture (ALSA) for MIDI, are the main infrastructures to evolve as a fairly-featured Linux desktop audio workstation GUI, specially dedicated to the personal home-studio. Qtractor is free, open-source software, distributed under the terms of the GNU General Public License (GPL) version 2 or later.