Open-source alternatives to Harfbuzz

Font-spider is a set of specialized tools for web font optimization. It functions as a font subsetter and compression utility that analyzes HTML content to extract only the characters used on a page, creating minimized font files to reduce page weight and improve loading speeds. The project includes a web font converter that generates files in multiple binary formats to ensure cross-browser compatibility for text rendering. It also provides a build tool plugin to integrate font analysis and subsetting directly into automated development pipelines. The toolset covers glyph-based font subsetti

This repository contains the HTML specification, which defines the core standards for web page structuring, content organization, and document rendering. It establishes the fundamental algorithms for state-machine-based tokenization, tree construction for the document object model, and origin-based security isolation. The specification provides a framework for defining custom elements with independent lifecycles and registries. It also details the requirements for cross-document communication, session history management, and the synchronization of interface properties with content attributes.

Notepads is a minimalist text editor for Windows that renders its interface directly through native Win32 API calls, without relying on cross-platform toolkits. It is built around a single-instance document model where each open file is managed as an independent object with its own undo history and state, organized through a tab-based interface with keyboard-driven navigation. The editor distinguishes itself by supporting bidirectional text flow, allowing users to toggle paragraph direction between left-to-right and right-to-left. It also includes a real-time Markdown live preview that displa

Fontello is a custom font package builder and icon font generator designed to combine selected icons from multiple libraries into a single minimized font file. It functions as a service for converting SVG vector graphics into font glyphs through automated path merging and transformations. The project provides a programmatic interface for automating icon workflows, allowing the management of configurations and the triggering of font generation via network requests for build pipelines. This enables the integration of custom font production into external automation workflows and command line too

Alacritty is a cross-platform terminal emulator and command line interface designed for high visual throughput. It functions as a GPU-accelerated text renderer that uses OpenGL to offload the drawing of the terminal interface to the graphics card. The project focuses on high-performance text rendering to ensure low input latency and smooth interface updates. This is achieved through hardware-accelerated text rasterization and the use of a GPU-accelerated rendering engine to display terminal output. The application maintains consistent behavior across different operating systems via a cross-p

Source Han Serif is a standardized Pan-CJK serif typeface family provided as an OpenType font collection. It provides unified glyphs for Chinese, Japanese, and Korean scripts, following regional orthographic rules to ensure consistent rendering across different language tags. The project implements a multi-weight visual hierarchy, offering a spectrum of stroke thicknesses ranging from ExtraLight to Heavy. It includes regional glyph variations that adjust the visual appearance of ideographs to match the specific orthographic standards of different East Asian languages. The repository covers t

jsPDF is a JavaScript PDF generation library and client-side engine that produces documents directly on the user's device. It provides a scriptable interface for creating PDF files within web browsers and other JavaScript runtime environments without requiring a backend server. The library includes a tool for defining document dimensions, orientation, and measurement units to control page layout. It also functions as a Unicode font integrator, allowing for the embedding of custom font files to support diverse languages and special characters. Capability areas cover dynamic document automatio

pdf-lib is a JavaScript PDF manipulation library used for creating, modifying, and editing PDF documents programmatically. It functions as a cross-runtime tool compatible with Node, Browser, Deno, and mobile JavaScript environments. The library provides a programmatic interface for document editing and form generation. It supports building interactive PDF forms, populating existing fields with custom data, and flattening forms into static content. Its broader capabilities include generating new documents from scratch, rearranging or copying pages between files, and managing document metadata

Library for shoehorning the Slug text/graphics GPU rendering library into projects.

Audiobookshelf is a self-hosted media server designed for the organization and streaming of personal audiobook and podcast collections. It functions as a digital library manager that provides centralized hosting, allowing users to stream audio content to various web and mobile clients while maintaining synchronized playback progress across all devices. The platform distinguishes itself through comprehensive library management and multi-user administration tools. It includes integrated metadata enrichment to automatically fetch cover art and descriptive information, alongside utilities for edi

A curated list of useful open-sound-control applications, libraries, resources and shiny things

FTXUI is a C++ terminal user interface library and cross-platform console framework used for building interactive command line applications. It functions as a declarative terminal layout engine and a component-based UI toolkit that enables the creation of responsive interfaces. The library is distinguished by its terminal graphics and animation capabilities, allowing for the rendering of custom shapes, data plots, and smooth visual transitions using easing functions. It provides a comprehensive set of interactive widgets and a layout system utilizing flexbox and grid containers that adapt to

Matterbridge is a multi-protocol chat bridge and messaging gateway that synchronizes messages, media, and user identities across disparate communication platforms in real time. It functions as a protocol-agnostic message bus, translating various chat protocols into a common internal format to enable seamless communication between different services. The system distinguishes itself through a multi-platform media proxy that downloads and re-uploads files and attachments to ensure cross-protocol accessibility. It also utilizes a webhook identity proxy to replicate original sender usernames and a

Print PDF's using Blazor

:satellite: :cloud: :notes:Airsonic, a Free and Open Source community driven media server (fork of Subsonic and Libresonic)

This project is a Model Context Protocol server that enables large language models to generate and render data visualizations, charts, and diagrams. It functions as a toolset for AI assistants to transform raw data into professional visual representations. The server utilizes an intelligent selection layer to determine the most effective visualization format based on the provided data. It supports remote rendering via external HTTP services and provides the flexibility to route requests to self-hosted rendering endpoints for private network environments. Capabilities cover a wide range of da

Blazor download files to the browser from c# without any javascript library reference or dependency.

Control you favorite music players with ease from within Neovim.

A Rust library for streaming audio, video, and other content

🥳🥳 A neovim plugin based on picgo-core, written in Lua. 🌲 Allows you to add pictures to various picture beds at any time, and they can be accessed from any corner of the Internet. 🎆

Function to compress any video quickly using ffmpeg.

An Angular v7+ library to detect the device, OS, and browser details.