EntityQ2251455· pop 27· linked from 244 articlesopen knowledgeSign in to saveset of principles and methodologies related to the production and distribution of knowledge works in an open mannerConnectionsfree contentEntityopen-source softwareEntityopen sourceEntityThe Open Source DefinitionEntityWikipediaConceptKarl MarxEntityWikimedia FoundationConceptknowledgeEntityTim Berners-LeeEntityDenis DiderotEntityRichard StallmanEntityfree softwareEntityCreative Commons CorporationEntitySocial Democratic Party of GermanyEntityproletariatEntityOpenStreetMapEntityQ48413EntityGNU General Public LicenseEntityAaron SwartzEntityintellectual propertyEntityCategoriesCopyright lawFree culture movementIntellectual property lawKnowledgeOpen content