acme-http-01-standalone
HTTP Authentication (In-Memory) for Let's Encrypt for Node.js - ACME http-01 challenges w/ ACME.js and Greenlock.js
le-acme-core
A framework for building letsencrypt clients, forked from letiny
le-challenge-redis
A redis-based strategy for node-letsencrypt for setting, retrieving, and clearing ACME challenges issued by the ACME server