BRBluebeam, Inc. (Nemetschek Group) · Construction estimating & quantity surveying
PDF markup, measurement and collaboration software for construction documents, with a Windows desktop app plus web and mobile companions
ProprietaryPaidEnterpriseLocalNov 2, 2026 M3Microsoft · Productivity suites & task management
Microsoft's subscription suite of Office desktop and web apps, Exchange email, OneDrive, SharePoint and Teams with Copilot and Graph APIs
ProprietaryPaidEnterpriseLocalNov 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