📢 Sponsored: Check out Susan's Sudoku - A free daily sudoku puzzle.

Intermediate

HCB by Hack Club

🏦 The neobank built for nonprofits.

Updated Apr 05, 2025

By Sam Poder

Free Open Source Real World Example

Price: Free

Description

HCB is an open source, safe, and easy-to-use fiscal sponsorship platform for hackathons, Hack Clubs, robotic teams and more. We use it to run our fiscal sponsorship program, we provide high schoolers with a 501(c)(3) status-backed restricted fund for their organization. Behind the scenes, HCB is a Ruby on Rails application (learn more by reading our documentation).

More "Free" Projects

Learn Hotwire by Building a Forum

A free course where you'll build a real-time forum and get into use-cases that aren't as simple as the Hotwire chat demo.

By Andrea Fomera View Details →

Hotwire Combobox

Easy and Accessible Autocomplete for Ruby on Rails

By Jose Farias View Details →

Maybe

The OS for your personal finances.

By Josh Pigford View Details →

More "Open Source" Projects

Upright

Synthetic monitoring engine with Playwright and Prometheus metrics

By Basecamp View Details →

Stringer

A self-hosted, anti-social RSS reader.

By Matt Swanson View Details →

gemfile.directory

A directory of Ruby gemfiles that are used in your favorite Ruby and Rails projects!

By Josh Pigford View Details →

More "Real World Example" Projects

Fizzy

The Kanban tracking tool for issues and ideas by 37signals

By Basecamp View Details →

Pagecord

Publish your writing effortlessly by sending an email.

By Olly Headey View Details →

Upright

Synthetic monitoring engine with Playwright and Prometheus metrics

By Basecamp View Details →

Stay updated with the latest Rails projects

Join our newsletter to get updates on new Rails projects and resources.