We find, organize, preserve, and verify valuable information that's missing from traditional sources — and demonstrate research impact across policy, practice, and society.
Much of what shapes the world — climate plans, public health responses, policy reforms — comes from cities, hospitals, think tanks, NGOs, and ministries in the Global South. Mainstream databases skip them. Without that work, you see only a fraction of the picture.
We find what others won't — local governments, community hospitals, think tanks across the Global South — in any language and any format. We capture this work before defunding or broken links erase it.
On our platform, we surface and make discoverable the reports, archives, and research mainstream databases miss. We trace where research lands in policy and practice. And we ensure you can trust every source.
OUR COMMONS
Each Commons is a curated family of Databases, built around a research domain. Click any Commons to explore the Databases inside it.
FEATURED DATABASES
Featured Databases from across our Commons — books, journals, podcasts, archives, video. License a single database or subscribe to the full Commons.
Policy Commons
The world’s largest fully-searchable database of reports, papers, blogs and podcasts from the think tanks, IGOs, NGOs, foundations and research centers drawn from across the world.
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Applied Science Commons
Technical standards and applied science grey literature from 180+ countries.
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History Commons
Original source material that records the African American experience in the 1800s—written by African Americans for African Americans.
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Africa Commons
Magazines from across Africa - including rare, regional issues, preserved and made discoverable for the first time.
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Canada Commons
Canadian history told through previously undigitized primary sources from McLaren Micropublishing.
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Latin America Commons
A richly-indexed, full-text database providing centralized access to centuries of Latin American and Latinx primary-source materials, previously scattered across the internet.
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South Asia Commons
An exclusive archive of previously undigitized material published by The Iran Society of India.
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Social Justice & Culture
Living collection of LGBTQ+ activism, community media, podcasts, and primary sources.
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OPINIONARCHIVES
Spanning politics, arts, and culture across domestic and international contexts, these archives bring together work from prominent authors, journalists, poets, and public figures—offering a reliable and practical resource for academic libraries and their users.
Traditional impact metrics focus on citations within academic journals.Coherent Impact reaches beyond, tracking how research is used in the broader policy and professional ecosystem.
Access the databases your researchers need and track the real-world impact of your institutional output.
Learn howThe world's most comprehensive grey literature, used by Scottish Government, German Federal Ministry of Defence, and more.
Learn howGet your publications in front of 150,000+ daily policymakers. Community access available for qualifying organizations.
Learn howDistribute your content in partnership with us — we work with 400+ creators worldwide.
Learn howFrom subject collections to full digitization support — we make your collections discoverable and citable.
Learn howPartner with us as a creator in policy, science, culture, or history.
Learn howAuthentication, discovery integration, MARC records, COUNTER stats, training — all included with every subscription.
Get our content into Primo, EBSCO Discovery Service, Summon, WorldCat, and more.
IP, EZproxy, SAML (Shibboleth, OpenAthens), HAN. Five frictionless options.
Organization-, collection-, and document-level MARC. Updated quarterly.
Fully COUNTER 5 compliant. Pull via Customer Portal or SUSHI.
Flexible online training for staff, faculty, researchers and students.
Distribute your content in partnership with us. 400+ creators.
Policy Commons is the kind of product I wish I’d had all my career. It provides access to things you can’t find out about but need right now.
It is a fantastic system…by far the best digital archive I have used.
Start a free 30-day institutional trial on any Database, or request a quote for a full licence.
