The open LMS by Instructure, Inc.

Home of the WebKit project, the browser engine used by Safari, Mail, App Store and many other applications on macOS, iOS and Linux.

Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.

Virtual whiteboard for sketching hand-drawn like diagrams

Actor-based state management & orchestration for complex app logic.

Computing-focused community centered around link aggregation and discussion

</> htmx - high power tools for HTML

Export iMessage data + run iMessage Diagnostics

Easy to maintain open source documentation websites.

🐀 A link aggregator and forum for the fediverse

24 Lessons, 12 Weeks, Get Started as a Web Developer

🔥 🔥 🔥 Open Source JIRA, Linear, Monday, and Asana Alternative. Plane helps you track your issues, epics, and cycles the easiest way on the planet.

Open Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiences

Transforms complex documents like PDFs into LLM-ready markdown/JSON for your Agentic workflows.

Easy to Use, 100% Open Source Learning Management System

The Serenity Operating System 🐞

OpenSheetMusicDisplay renders sheet music in MusicXML format in your web browser based on VexFlow. OSMD is brought to you by PhonicScore.com.

One place for service teams to find styles, components and patterns for designing government services.

🗜 JavaScript parser, mangler and compressor toolkit for ES6+

A Privacy-first, Cross-platform Text Expander written in Rust

The most popular HTML, CSS, and JavaScript framework for developing responsive, mobile first projects on the web.

Versatile emulator and developer environment for all Sinclair machines, provided as Electron application using React and TypeScript

A theme for Newspack.

A simpler site generator. Transforms a directory of templates (of varying types) into HTML.

alphaTab is a cross platform music notation and guitar tablature rendering library.

A rugged, minimal framework for composing JavaScript behavior in your markup.

Tabler is free and open-source HTML Dashboard UI Kit built on Bootstrap

My curated list of audio DSP and plugin development resources

⚡️Faster subsequent page-loads by prefetching in-viewport links during idle time

Konva.js is an HTML5 Canvas JavaScript framework that extends the 2d context by enabling canvas interactivity for desktop and mobile applications.