mattpocock/skills

WebKit is the engine that powers how web pages are displayed in Apple's Safari browser, Mail app, and thousands of other applications on iPhone, Mac, and beyond — essentially, it's the core software that reads website code and turns it into what you see on screen. It's an open-source project maintained primarily by Apple but used across multiple platforms including Linux.

why it matters: Any product built as a web app or that embeds a browser view on Apple devices is ultimately running on WebKit, making it a critical dependency for billions of users — understanding its capabilities and limitations directly shapes what features builders can ship on iOS and macOS. For founders and PMs, WebKit's evolution (such as support for new web standards) determines what's technically possible without requiring a native app, which has major implications for development costs and go-to-market strategy.

LLVM is the foundational technology that turns code written by developers into programs that computers can actually run, and it powers many of the most widely used programming languages and platforms in the world. Think of it as the industrial machinery behind the scenes that makes software run faster and work across different types of hardware — from iPhones to supercomputers.

why it matters: Nearly every major tech platform — Apple, Google, Meta, and more — relies on LLVM to build their products, meaning it quietly underpins a huge portion of the software industry's output. For builders, understanding LLVM matters when choosing programming languages, targeting new hardware (like AI chips), or evaluating the long-term viability of the tools your team depends on.

ELD is a specialized tool that combines software components together when building programs for embedded devices — the tiny computers found inside cars, medical devices, industrial equipment, and smartphones. Think of it like a smart assembler that takes all the puzzle pieces of a software project and snaps them together into a single, finished program, doing so faster and with less memory than the standard tool most developers use today.

why it matters: As companies race to ship smarter hardware products — from IoT devices to automotive systems — the speed and efficiency of the development toolchain directly impacts how fast engineering teams can ship and iterate, which is a real competitive advantage. Qualcomm open-sourcing this tool signals that even chip-level development infrastructure is being commoditized, meaning companies building on Qualcomm's chips (Hexagon, ARM, etc.) can now build more efficiently without licensing costs or vendor lock-in.

GitLab is an open-source platform that lets teams store, review, and collaborate on code, while also automating the process of testing and releasing software updates. It serves as an all-in-one workspace where over 100,000 organizations manage their entire software development lifecycle, from writing code to shipping products.

why it matters: GitLab represents a major alternative to GitHub and Azure DevOps, giving companies a self-hosted option that keeps sensitive code behind their own firewall — a critical selling point for regulated industries and privacy-conscious enterprises. For builders and investors, its open-core model (free community edition with paid enterprise upgrades) is a proven go-to-market playbook worth studying, and its massive adoption signals strong demand for integrated developer workflow tools.