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

pub.dev "indexing" keyword

text_analysis 1.0.0
Tokenize text, compute readibility scores for a document and evaluate similarity of terms.
94 versions - Latest release: over 3 years ago - 4 dependent packages - 3 dependent repositories - 5 stars on GitHub
lunr 2.3.10
A bit like Solr, but much smaller and not as bright (dart port of lunrjs.com)
2 versions - Latest release: almost 3 years ago - 4 stars on GitHub