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GNU Lesser General Public License v2.1

Free Software Foundation · 1999

The classic weak-copyleft library license of the pre-v3 GNU era, still common across infrastructure software.

LGPL-2.1-or-later Weak copyleft

Preserved license texts

Canonical text (gnu.org)
SPDX record
OSI record

Software published under this license

  • 7-Zip LGPL-2.1-or-later · Igor Pavlov
  • FFmpeg LGPL-2.1-or-later / GPL-2.0-or-later · FFmpeg team
  • Flatpak LGPL-2.1-or-later · Flatpak community
  • FreeCAD LGPL-2.1-or-later · FreeCAD community
  • libvirt LGPL-2.1-or-later · libvirt.org community
  • Pitivi LGPL-2.1-or-later · GNOME community
  • Shotwell LGPL-2.1-or-later · GNOME community