aintainerSoftware publisherCopy protectionDigital rights managementSoftware protection dongleHardware restrictionsLicense managerProduct activationProduct keySoftware copyrightSoftware patentTorrent poisoningwww.ubuntu.com,www.shipit.ubuntu.comඋදාහරණ[සංස්කරණය]Some examples of FOSS include: the ලිනක්ස් kernel, the KDE and GNOME desktops, BIND and Firefox.බලපත්‍ර[සංස්කරණය]The most well known and popular F/OSS licenses include: GNU General Public License (GPL), GNU Lesser General Public License (LGPL), BSD license, Apache License, MIT License and Mozilla Public License.There are a number of endorsed F/OSS definitions, and related lists of licenses. The above licenses are approved by all definitions.F/OSS definitions and guidelines:විවෘත මූලාශ්‍ර Definition , from the විවෘත මූලාශ්‍ර InitiativeFree software definition, from the නිදහස් මෘදුකාංග පදනමඩේබියන් නිදහස් මෘදුකාංග GuidelinesLists of licenses:OSI අනුමත කළ බලපත්‍රනිදහස් මෘදුකාංග පදනමේ  නිදහස් සහ නොනිදහස් බ