Open source. Open possibilities.

Web of Flaws is a structured, markdown-first catalog of web security vulnerabilities and secure code replacements designed for developers, security engineers, and AI coding agents.

Actix Web is a powerful, pragmatic, and fast Rust web framework supporting HTTP/1.x and HTTP/2, WebSockets, streaming, middleware, and content compression.

Remix 3 is the source repository for the Remix fully-stacked web framework, under active development. It provides composable JavaScript/TypeScript packages for routing, middleware, sessions, data, UI, testing and more, built on Web APIs and portable across runtimes.

A modified web browser built with Electron for responsive web development. It mirrors interactions across multiple device previews simultaneously, includes 30+ built-in device profiles, a unified elements inspector, one-click screenshots, and hot reloading. It also ships a built-in MCP server so AI coding agents can drive the app to visually verify responsive layouts.

SpacetimeDB is a relational database that also acts as an application server, letting developers upload server-side logic as modules and have clients connect directly for real-time state synchronization.

Curated reading list on building scalable, reliable, high-performance large-scale systems, with design principles, case studies from tech giants, and interview resources.

Webstudio is an open-source visual development platform and website builder described as a Webflow alternative. It connects to any headless CMS, supports all CSS properties, and can be hosted anywhere, including via its hosted version.

Open-source front-end quality system with 385 rules across 11 categories (HTML, CSS, JavaScript, performance, accessibility, SEO, security, images, testing, privacy, i18n). Supports web browsing, MCP server integration for AI agents, and skills-based workflows.

Rocket is an async web framework for Rust focused on usability, security, extensibility, and speed, with type-safe routing and extensive documentation.

Front End Interview Handbook: an open-source collection of front-end interview preparation materials covering interview formats, system design, trivia, coding questions and company-specific questions, with translations into several languages.

A curated list of computer science courses with video lectures, covering algorithms, AI, databases, operating systems, and more.

Zap is a general-purpose programming language with a standalone native runtime, offering clear syntax, optional typing, and built-in web capabilities without external dependencies.