Ecosyste.ms: Packages

An open API service providing package, version and dependency metadata of many open source software ecosystems and registries.

rubygems.org "doi" keyword

Top 7.8% on rubygems.org
serrano 1.0.0
Low Level Ruby Client for the Crossref Search API
15 versions - Latest release: over 3 years ago - 4 dependent packages - 27 dependent repositories - 200 thousand downloads total - 30 stars on GitHub - 1 maintainer
maileon 0.1.3
Ruby wrapper for Maileon email marketing software API.
4 versions - Latest release: over 8 years ago - 11.2 thousand downloads total - 1 stars on GitHub - 1 maintainer
extcite 0.4.0
Gets DOIS and generates citations for your papers
5 versions - Latest release: about 4 years ago - 9.23 thousand downloads total - 7 stars on GitHub - 1 maintainer
ref2bibtex 0.3.0
Ok, maybe a bit more, you can pass a DOI and get the bibtex string back too.
10 versions - Latest release: about 5 years ago - 1 dependent repositories - 22.9 thousand downloads total - 0 stars on GitHub - 1 maintainer