This website contains all the lectures, project materials and tools necessary for building a general-purpose computer system and a modern software hierarchy from the ground up.

The materials are aimed at students, instructors, and self-learners. Everything is free and open-source, as long as you operate in a non-profit setting.

Portmaster is a free and open-source application firewall that does the heavy lifting for you. Restore privacy and take back control over all your computer's network activity.

Graphite is a free, open source vector and raster graphics engine, available now in alpha. Get creative with a nondestructive editing workflow that combines layer-based compositing with node-based generative design.

Build and ship infrastructure faster using languages you know and love. Use Pulumi’s open source SDK to provision infrastructure on any cloud.

LibreChat AI is an open-source platform that allows users to chat and interact with various AI models through a unified interface. You can use OpenAI, Gemini, Anthropic and other AI models using their API. You may also use Ollama as an endpoint and use LibreChat to interact with local LLMs. It can be installed locally or deployed on a server.

Generate images from within Krita with minimal fuss: Select an area, push a button, and new content that matches your image will be generated. Or expand your canvas and fill new areas with generated content that blends right in. Text prompts are optional. No tweaking required!

Monit is a small Open Source utility for managing and monitoring Unix systems. Monit conducts automatic maintenance and repair and can execute meaningful causal actions in error situations.

PhotoPrism® is an AI-Powered Photos App for the Decentralized Web. It makes use of the latest technologies to tag and find pictures automatically without getting in your way. You can run it at home, on a private server, or in the cloud.

Manage your dotfiles across multiple diverse machines, securely.

Store any website on your mobile phone or computer, easily.