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ALSA Project

The ALSA Project develops the Advanced Linux Sound Architecture: the Linux kernel sound drivers, the alsa-lib user-space library and the alsa-utils tools. ALSA is free software released under the GNU GPL and LGPL.

Licensing at a Glance

  • Open source

  1. ALSA is released under the GNU General Public License and the GNU Lesser General Public License, and the ALSA driver code is included in the Linux kernel (from version 2.6).[1]

  2. The alsa-lib user-space library is distributed with the text of the GNU Lesser General Public License version 2.1 as its COPYING file.[2]

  3. alsa-lib source files state that the library may be redistributed or modified under the LGPL version 2.1 or (at the user's option) any later version.[3]

  4. The alsa-utils tools are distributed with the GNU General Public License version 2, and source files such as aplay state GPL version 2 or any later version.[4]

Products

References

  1. Introduction - AlsaProject · alsa-project.org · retrieved 2026-09-27
  2. alsa-lib COPYING (GNU Lesser General Public License, version 2.1) · github.com · retrieved 2026-09-27
  3. alsa-lib src/pcm/pcm.c · github.com · retrieved 2026-09-27
  4. alsa-utils aplay/aplay.c · github.com · retrieved 2026-09-27
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