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Alternatives to OpenSignature

Omeka
OmekaOmeka is a free, open-source web-publishing platform for libraries, museums, archives, and scholars to share digital collections and build media-rich online exhibits.
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Koha
KohaKoha is the world's first free and open source library management system, offering cataloging, circulation, acquisitions, and patron management for libraries of all sizes.
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Machine Translate
Machine TranslateExplore 73 translation APIs, 11 AI models, 615 languages, and 267 integrations. The Machine Translate Foundation's open knowledge base for MT research, tools, and community.
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Islandora
IslandoraIslandora is a free, open-source digital asset management framework for libraries, archives, and museums. Built on Drupal with Solr, Fedora Commons, and IIIF integrations.
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Open Library
Open LibraryOpen Library is a free, open-source library catalog by the Internet Archive. Browse, borrow, and read millions of eBooks across every subject — no cost, no subscription.
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WIPO Translate
WIPO TranslateWIPO Translate is a free neural machine translation tool by the World Intellectual Property Organization, specialized for patents, scientific articles, and technical documents across 13 languages.
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LOCKSS
LOCKSSLOCKSS (Lots Of Copies Keep Stuff Safe) by Stanford Libraries offers open-source tools and networks for resilient, long-term digital preservation of scholarly and government content.
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MediaWiki
MediaWikiMediaWiki is the free, open-source wiki platform powering Wikipedia and thousands of organizations. Build collaborative knowledge bases, documentation sites, and wikis.
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Content Authenticity Initiative
Content Authenticity InitiativeCAI promotes C2PA Content Credentials—cryptographically signed metadata that verifies the origin, edit history, and AI involvement of digital media files.
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WIPO Pearl
WIPO PearlAccess validated scientific and technical terms from patent documents in 10 languages. WIPO Pearl offers linguistic search, concept maps, and a developer API for IP terminology.
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