Do it like => validates :photos, attached: true, content_type: ['image/png', 'image/jpg', 'image/jpeg'], size: { less_than: 500.kilobytes }, limit: { min: 1, max: 3 }, aspect_ratio: :landscape, dim…

Accept Bitcoin payments. Free, open-source & self-hosted, Bitcoin payment processor.

App to create budgets with automatic bank movements ingestion

Volunteer management system for nonprofit CASA, which serves foster youth in counties across America.

Open-source live-chat, email support, omni-channel desk. An alternative to Intercom, Zendesk, Salesforce Service Cloud etc. 🔥💬

A site to provide non-judgmental guidance on choosing a license for your open source project

Interactive roadmaps, guides and other educational content to help developers grow in their careers.

A platform for community discussion. Free, open, simple.

Virtual whiteboard for sketching hand-drawn like diagrams

FromThePage is a wiki-like application for crowdsourcing transcription of handwritten documents.

PoC for a scalable dev tool that writes entire apps from scratch while the developer oversees the implementation

Human Essentials is an inventory management system for diaper, incontinence, and period-supply banks. It supports them in distributing to partners, tracking inventory, and reporting stats and analy…

Hundreds of models & providers. One command to find what runs on your hardware.

ManageIQ Open-Source Management Platform

A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.

Fair-code workflow automation platform with native AI capabilities. Combine visual building with custom code, self-host or cloud, 400+ integrations.

New Relic RPM Ruby Agent

Ansible scripts for provisioning and deploying Open Food Network

🐚 OpenDevin: Code Less, Make More

Connect suppliers, distributors and consumers to trade local produce.

📨 The ultimate social media scheduling tool, with a bunch of AI 🤖

A learning management system (LMS) that lets you run an asynchronous online school, where learning is achieved through focused tasks, directed feedback, an iterative workflow, and community interac…

Q/A based social network

This is the repository for beginners so that they can use this repository to make their first contribution to an open source project on GitHub. Solve programming problems using Ruby.