An easy way to use Localstack with Spring

An Elixir Authentication System for Plug-based Web Applications

Elixir is a dynamic, functional language for building scalable and maintainable applications

Gem para cálculo de frete utilizando o Web Service dos Correios (http://www.correios.com.br/webservices).

Ruby Date Recurrence Library - Allows easy creation of recurrence rules and fast querying

persistence.js is an asynchronous Javascript database mapper library. You can use it in the browser, as well on the server (and you can share data models between them).