Ecosyste.ms: Packages
An open API service providing package, version and dependency metadata of many open source software ecosystems and registries.
bower.io "email-boilerplate" keyword
respmail 1.0
Responsive HTML email template designed to work on all major email platforms and smartphones1 version - Latest release: almost 10 years ago - 693 stars on GitHub
cerberus 3.4.1 💰
A few simple, but solid patterns for responsive HTML emails. Even in Outlook and Gmail.12 versions - Latest release: about 2 years ago - 4,673 stars on GitHub