Typst

LaTeX is a code-based typesetting system for producing PDF documents, particularly scientific documents and mathematical formulas. The LaTeX Project's core distribution includes the LaTeX kernel, documentation, essential tools, graphics and color support, the amsmath mathematics package, first-aid utilities, the LaTeX laboratory, and the L3 programming layer. The linked repository contains unpackaged LaTeX2e kernel sources and development code, including the base, documentation, required, tools, graphics, amsmath, firstaid, and latex-lab components. It is not the normal installation route; packaged versions are distributed through CTAN and TeX distributions such as TeX Live, MacTeX, and MiKTeX. The project describes LaTeX as powerful but comparatively heavy, with complicated dependencies, large installations, and less helpful error messages.

TypeScript is a programming language developed by Microsoft as a superset of JavaScript. It adds optional static types for application-scale JavaScript and compiles to readable, standards-based JavaScript for browsers, hosts, and operating systems. The compiler is distributed through npm, with stable and nightly builds, and the project provides a browser-based playground, documentation, roadmap, and community resources.

Vintage LaTeX is a repository of twenty standalone LuaLaTeX and MetaPost examples covering period-inspired scientific-paper typography, engraved plates, diagrams, charts, tables, and mathematical illustrations. The examples are maintained as independently compilable source files, with build scripts for producing the output; they use LuaLaTeX for document pages and MetaPost, including the external fiziko library, for several figures. The collection demonstrates historical ligatures, old-style figures, warm paper and ink colors, hatching, computed optical rays, generated logarithm tables, star charts, and other mechanisms while retaining diagram labels as searchable text in the resulting vector PDFs. The source, prose, and generated examples are licensed under CC BY-SA 4.0; fiziko is a separate GPL-3.0 dependency.

typesafe-computer-use is an open-source macOS computer-use tool that drives a Mac toward a plain-English goal. It captures the frontmost window, reads text with OCR, collects labelled controls from the macOS accessibility tree, parses dates, and sends a structured list of possible actions to the TypeSafe decision model instead of sending screenshots to a frontier model for every step. The loop chooses actions such as clicking, scrolling, browser navigation, waiting, or pressing keys; a writing model is called only for free-text entry, proposed URLs, and the final answer, while passwords are never typed. It supports dry runs, confidence and step limits, annotated captures, detailed action and probability logs, and offline replay of saved screenshots. The repository targets macOS 14 or newer with Python 3.12 or newer, requires a TypeSafe API key, and is licensed under the MIT License.

TanStack Charts is a TypeScript visualization grammar for responsive, accessible, server-rendered application charts, built on granular D3 primitives. Chart definitions are framework-independent: marks consume arrays, objects, tuples, or iterables; channels describe visual encodings; and scale factories infer domains from those channels. Definitions compile into a renderer-neutral keyed scene that can be rendered through React, Preact, Vue, Solid, Svelte, Angular, Lit, Alpine, Octane, the vanilla DOM, static SVG, or an optional Canvas renderer. The system supports layered built-in marks, custom marks using the same scene protocol, responsive layout, automatic guide margins, themes, interaction, animation, accessibility, SVG server-side rendering, hydration, and export. Its marks, transforms, layouts, renderers, and chart-owned interactions are available through independent subpaths, with optional D3-backed capabilities remaining tree-shakeable. The repository documents an unreleased alpha line and says the latest published release is 0.16.0; alpha releases may contain breaking changes between minor versions.