📢 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

Campfire

Super simple group chat, without a subscription. And you get the code, too.

By 37Signals, Basecamp View Details →

Maybe

The OS for your personal finances.

By Josh Pigford View Details →

Fizzy

The Kanban tracking tool for issues and ideas by 37signals

By Basecamp View Details →

More "Open Source" Projects

RubyUI

A UI component library, crafted precisely for Ruby devs who want to stay organised and build modern apps, fast.

View Details →

Mastodon

Your self-hosted, globally interconnected microblogging community

By Eugen Rochko View Details →

RailsDevs

The reverse job board for Ruby on Rails developers.

By Joe Masilotti View Details →

More "Real World Example" Projects

Campsite

The new standard for thoughtful team communication — replace noisy chats with focused, organized posts.

View Details →

Thingybase

Rails server for Thingybase.com, a way to organize, track, & treasure your stuff

By Brad Gessler View Details →

Gumroad

Sell your stuff. See what sticks.

By Sahil Lavingia View Details →

Stay updated with the latest Rails projects

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