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PDF markup, measurement and collaboration software for construction documents, with a Windows desktop app plus web and mobile companions
ProprietaryPaidEnterpriseLocalNov 2, 2026 MElsevier · Citation management
Free reference manager from Elsevier with a desktop and web app, PDF annotation, a Web Importer, groups and bundled cloud storage
ProprietaryFreeLocalNov 2, 2026 ZCorporation for Digital Scholarship · Citation management
In-depth entry Free, open-source reference manager with browser connectors, word-processor plugins, a PDF reader, group libraries and optional paid file storage
AGPL-3.0-onlyFreeOpen sourceLocalNov 2, 2026