Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience real numbers from our own analytics — open to see them
–Visitors
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · counted by iTechGuides's own first-party analytics, bots removed, every figure rounded down · how we count

Open Knowledge Maps review

Free#25 of 28 in Literature Review SoftwareResearch Paper Discovery Tools

A free visual discovery tool for finding and mapping scientific literature.

6.5/10Editor score
Open Knowledge Maps6.5 Visit site

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Open Knowledge Maps is a free, open-source web service for discovering scientific knowledge. It is designed for researchers, students, practitioners, and the public who want to explore research topics visually rather than work through a flat list of results. Searches connect with BASE and PubMed, while interactive maps cluster related research outputs using AI and natural-language processing. Labels identify relevant concepts, and filters refine results by date and resource type. The service also highlights open-access resources and links to full text.

Its strongest fit is early-stage literature discovery. Visual clustering can help users see how research outputs group into topic areas, while citation formats include APA, MLA, Chicago, and ACM. Documents can be exported to reference managers, and integrations include OpenAIRE, ORCID, Crossref, and reference managers. The web service is available alongside an API, and organisations can embed visual discovery services into library catalogues, repositories, and other institutional systems. That makes Open Knowledge Maps suitable for individual exploration as well as institution-led discovery experiences.

The product is narrower than a complete literature review environment. It does not provide a screening workflow, systematic review tools, collaboration features, or dedicated evidence-mapping tools. Users who need to coordinate review teams, manage screening decisions, or build structured evidence maps should choose a product focused on those tasks instead. Open Knowledge Maps is a better choice for free, open visual exploration of scientific literature, especially when topic discovery, open-access links, filtering, citations, and export matter more than end-to-end review management.

Open Knowledge Maps pros and cons

  • Where it wins
    • AI clusters related research outputs into interactive visual maps
    • Searches BASE and PubMed and links to open-access full text
    • Exports citations and documents to reference managers
  • Where it doesn't
    • No screening workflow for systematic literature reviews
    • No collaboration features for shared research projects
    • No dedicated evidence-mapping tools

Open Knowledge Maps fact sheet, pricing and score →

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. How we rank.

Last updated · How we research and update