Open source. Open possibilities.

A hands-on introduction to digital video technology for developers and engineers, covering image representation, color models, codecs, and streaming with practical FFmpeg examples.

PlainApp is a free, open-source Android application that transforms your phone into a self-hosted management hub accessible via a web browser on the same local network.

A curated, opinionated collection of full-stack learning resources for software engineers, covering must-read books and articles, engineering principles, and dozens of topics from algorithms and API design to security, SRE, and career growth.

Open Notebook is a self-hosted, privacy-focused alternative to Google's Notebook LM. It organizes PDFs, videos, audio and web pages into notebooks, supports 18+ AI providers, and offers context-aware chat, search, and multi-speaker podcast generation.

A hobby operating system built from scratch, featuring a hybrid kernel, loadable drivers, Unix‑like syscalls, and basic GUI on x86_64. Intended for low‑level systems learning.

This open-source collection features AI Agent books, tutorials, and code repositories from GitHub, covering LLM Agent resources, courses, and frameworks. It supports daily automatic Star count updates, sorting by popularity, and provides recommended reading paths for developers and learners.

Nesso is an interactive concept mapping application designed for active learning through the creation of typed knowledge graphs.

An interactive visual learning platform designed to make algorithms and data structures easy to understand through step-by-step animations, custom inputs, and playback controls.

A 12-week, 24-lesson open-source curriculum from Microsoft Cloud Advocates teaching HTML, CSS, and JavaScript through hands-on projects including terrariums, browser extensions, a space game, and a banking app.