BASE Search
Academic search engine indexing 300M+ open access documents from 10,000+ providers.
About BASE Search
Bielefeld Academic Search Engine (BASE), one of the largest search engines for academic open access web resources. Operated by Bielefeld University Library, it indexes 300M+ documents from 10,000+ content providers worldwide.
Key Features
- 300M+ document index
- Open access focus
- Faceted search
- Document type filtering
- DDC classification
- Multilingual support
Pricing
free
Completely free. Operated by Bielefeld University Library.
Pros
- Massive open access index
- Completely free
- Multi-language support
- Good filtering options
Cons
- Basic search interface
- No AI features
- Metadata quality varies
- Less known than Google Scholar