PageLeft — a search engine for copyleft ideas.

Read more: https://www.june.kim/pageleft
Source:    https://github.com/kimjune01/pageleft

API
  GET  /api/search?q=<query>        Search by natural language
  GET  /api/stats                   Corpus stats
  GET  /api/frontier                Next URLs to crawl

Try:  curl https://pageleft.cc/api/search?q=open+source+licensing