MapleStory Global v83 server emulator

Metriport is an open-source universal API for healthcare data.

Fasten is an open-source, self-hosted, personal/family electronic medical record manager

camply, the campsite finder ⛺️ - a tool to find campsites at sold out campgrounds through sites like recreation.gov

OpenMRS API and web application code

A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor.

Main repo including core data model, data marts, data quality tests, and terminology sets.

Easy and fast file sharing from the command-line.

Open-source Windows and Office activator featuring HWID, Ohook, TSforge, and Online KMS activation methods, along with advanced troubleshooting.

Alternative firmware for ESP8266 and ESP32 based devices with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP…

A great starting point for your 2D controller. Making use of all the hidden tricks like coyote, buffered actions, speedy apex, anti grav apex, etc

Neural Networks: Zero to Hero

Trigger.dev – build and deploy fully‑managed AI agents and workflows

Open source, privacy-first web analytics. Lightweight, cookie-free Google Analytics alternative. Self-hosted or cloud.

🚀🎉📚 APITable, an API-oriented low-code platform for building collaborative apps and better than all other Airtable open-source alternatives.

Code repository for my Building Microservices YouTube series https://www.youtube.com/playlist?list=PLmD8u-IFdreyh6EUfevBcbiuCKzFk0EW_

The swiss army knife of lossless video/audio editing

A very simple reference implementation of an ActivityPub server using Express.js

D2 is a modern diagram scripting language that turns text to diagrams.

Medplum is a healthcare platform that helps you quickly develop high-quality compliant applications.

A server software reimplementation for a certain anime game.

🖱 A resizable and draggable component for React.

Distributed Application Framework for .NET

A self hosted virtual browser that runs in docker and uses WebRTC.

A feature-rich command-line audio/video downloader

Toxiproxy.Net is a .Net client for Shopify's Toxiproxy. Toxiproxy is a proxy to test your system by simulating network failure.

Repository for the new SQL cross-platform command line tools

⏰ 🔥 A TCP proxy to simulate network and system conditions for chaos and resiliency testing