zbMATH Open
The open, reviewed index of mathematics — MathSciNet's free counterpart.
At a Glance
- Publisher
- FIZ Karlsruhe, on behalf of the mathematics community
- Coverage
4.5M+ items from the mathematical literature since the late 1800s, with reviews, abstracts, author profiles, and an open API (verify current counts).
- Access
Free and open since 2021; open API and data for text mining.
- Free alternative
- It is free; MathSciNet for the subscription equivalent.
- Regional
Global; strong European mathematical tradition, comprehensive scope.
Our Take
zbMATH Open is the quiet success story of open scholarly infrastructure — once a paywalled index (Zentralblatt MATH), it became fully free in 2021 and now offers reviewed, comprehensive coverage of mathematics with a deep historical reach and an open API. For most mathematicians it is a genuine alternative to MathSciNet rather than a fallback, and its long back-catalogue is a real strength for tracing a result to its origins. The reviews are fewer and terser than MathSciNet’s in some areas, but the price is unbeatable. Use it as your free reviewed maths index; cross-check MathSciNet when you have access and need the fuller review.
Power Tips
- Use the open API for free bibliometric and text-mining work in mathematics.
- Lean on its deep historical coverage to trace a theorem back to its earliest statements.
- Compare a paper’s zbMATH and MathSciNet reviews when both exist — they often emphasise different things.
Alternatives & Complements
MathSciNet, arXiv (math), Scopus, Google Scholar
Figures last verified: June 15, 2026