The Best NASA Technical Reports Server Alternatives in 2026

Browse publications from the Swiss Federal University for Vocational Education and Training in its SFUVET collection.

Latindex provides information on scholarly, technical and cultural journals published across Latin America, the Caribbean, Spain and Portugal.

Google Patents lets users search and read full-text patents from around the world and find prior art in non-patent literature.

Search the Post-Reformation Digital Library's collection of 110,668 titles by more than 6,400 authors.

This portal searches catalogs and collections from Slovak libraries, including books, serials and other materials.

SciELO brings together an online scientific library, journal collections, and related repositories, preprints, and books across participating countries.

Search Marshall Digital Scholar for research and scholarship produced at Marshall University.

Find information about staff, history, and research at the Mathematical Institute of the Slovak Academy of Sciences.

ScholarWorks@UA provides access to research and scholarship from the University of Arizona community.

SURFACE is Syracuse University’s institutional repository for scholarly research and other university work.

ARPHA Preprints shares submitted research manuscripts before peer review for journals hosted on the ARPHA platform.

TeachEngineering offers free, standards-aligned K–12 lessons and hands-on activities in science, engineering and math.

Search and browse Érudit's repository of documents and data, including journals, books, theses, and research collections.

Researchers can post scientific papers to viXra, an open e-print archive.

Dokuz Eylul University’s DSpace repository provides an online catalog for the institution’s research materials.

ERIH PLUS indexes scholarly journals in the humanities and social sciences for research and discovery.

CeSGO connects scientific collaborators in western France through its research collaboration network.

Math-Net.Ru indexes mathematical journals and research, with listings for authors, organizations, conferences, and seminars.

Open access campus repository for scholarly and creative works produced by faculty, staff, and students.

engrXiv hosts searchable engineering preprints, with recent papers listed on its homepage.

NeuroMat shares research and news from Brazil's Center for Neuromathematics, including work on statistical models of the brain.

PolyU’s Outstanding Work by Students portal presents selected student projects and achievements.

Browse preprints and supporting information in chemistry and nanotechnology through the Beilstein Archives.

Search JournalSeek's categorized directory of online scholarly journals.