Lovefield is a relational query engine written in pure JavaScript. It also provides help with persisting data on the browser side, e.g. using IndexedDB to store data locally. It provides SQL-like syntax and works cross-browser (currently supporting Chrome 37+, Firefox 31+, IE 10+, and Safari 5.1+, see note below).
Please visit our public forum for general Q&A, feedback, and discussions.
Specification The spec is not fully implemented yet, please see the issues section for missing features.
Live 30min overview presentation at JS.LA: Watch on YouTube or Vimeo.
Note: Data persistence support on Safari is experimental.