coss.com is the new holding company of cal.com, the pioneers of open source scheduling infrastructure and cal.com continues to be the 'google search' of our alphabet.

Coinbase Design System

Private, fast, and honest web browser

OpenTUI is a library for building terminal user interfaces (TUIs)

Rails integration for Rodauth authentication framework

Phlex components for your Rails app

Generate Automatic Interactive Documentation for Your Rails API

A library for Live Activities in React Native

openapi_first is a Ruby gem for request / response validation and contract-testing against an OpenAPI API description. It makes APIFirst easy and reliable.

a TRPC inspired experience for consuming agent streams

Helping Javascript Do More Ruby

A simple library to get readings from MacBooks lid angle sensor

Just read the Readme

An opinionated front-end starter kit for your "nobuild" application

Use Webpack to manage app-like JavaScript modules in Rails

Official Inertia.js adapter for AdonisJS

The open LMS by Instructure, Inc.

Open-source SDKs for adding real-time collaboration into your web (react/js) apps.

simple plugin to save webpage/blog comments to a static JSON over git http

The highly customizable and versatile GraphQL client with which you add on features like normalized caching as you grow.

🪄 Magical GraphQL query engine for TypeScript

Revolutionary Rails fork by Supreme Leader Kim Jong Rails. PostgreSQL-only, AWS-free, adapters sold separately. Contributions disabled. Innovation over pronouns. Train speed: 60km/h 🚂

One beautiful Ruby API for OpenAI, Anthropic, Gemini, Bedrock, OpenRouter, DeepSeek, Ollama, VertexAI, Perplexity, Mistral, GPUStack & OpenAI compatible APIs. Chat, Vision, Audio, PDF, Images, Embe…

Ruby on Rails

Framework agnostic code to dynamically truncate long text in the center.

My personal website built with Go

Object-based searching.

Dashboard and Active Job extensions to operate and troubleshoot background jobs