postalserver / postal

📮 A fully featured open source mail delivery platform for incoming & outgoing e-mail

we-promise / sure

The personal finance app for everyone (by everyone)

kaminari / kaminari

⚡ A Scope & Engine based, clean, powerful, customizable and sophisticated paginator for Ruby webapps

ruby-concurrency / concurrent-ruby

Modern concurrency tools including agents, futures, promises, thread pools, supervisors, and more. Inspired by Erlang, Clojure, Scala, Go, Java, JavaScript, and classic concurrency patterns.

slim-template / slim

Slim is a template language whose goal is to reduce the syntax to the essential parts without becoming cryptic.

loomio / loomio

Loomio is a collaborative decision-making tool

rubycdp / ferrum

Headless Chrome Ruby API

rage-rb / rage

Fiber-based Ruby web framework combining Rails ergonomics with a unified runtime

rubycdp / cuprite

Headless Chrome/Chromium driver for Capybara

palkan / isolator

Detect non-atomic interactions within DB transactions

minitest-reporters / minitest-reporters

:page_with_curl: Create customizable MiniTest output formats.

caxlsx / caxlsx

xlsx generation with charts, images, automated column width, customizable styles and full schema validation. Axlsx excels at helping you generate beautiful Office Open XML Spreadsheet documents without having to understand the entire ECMA specification. Check out the README for some examples of how easy it is. Best of all, you can validate your xlsx file before serialization so you know for sure that anything generated is going to load on your client's machine.