ng-bootstrap is a mature, widely-used Angular component library that provides native Angular directives and components wrapping Bootstrap 5 CSS. It is a pure library (not an application), though it includes demo and test applications for development. The architecture is modular and highly configurable: each UI widget (accordion, datepicker, modal, tooltip, popover, typeahead, etc.) is a standalone component with injectable configuration services, abstract adapters for custom data models (e.g., date/time), and rich accessibility support (ARIA, keyboard navigation, focus traps). It leverages `@popperjs/core` for positioning and provides reusable utilities for auto-close behavior, CSS transitions, focus management, and live announcements. The codebase is well-organized, follows Angular style guides, includes extensive unit and end-to-end tests, and is actively maintained with regular releases aligning with the latest Angular and Bootstrap versions. Technical drift is low as dependencies are current.
This repository contains raygui, an immediate-mode GUI library for the raylib game programming library. It is written entirely in C as a single header file (src/raygui.h). The library provides over 25 controls (buttons, sliders, text boxes, list views, color pickers, etc.) designed specifically for building development tools, debug overlays, and editors. The architecture follows an immediate-mode pattern where controls are drawn and return their state every frame, with no retained state managed by the library, making it highly predictable and easy to integrate into existing game loops. A powerful styling system allows complete customization of colors, fonts, and metrics, with over 20 pre-built themes provided in the styles/ directory. The library also includes a built-in icon system with 256+ 16x16 icons. While tightly coupled to raylib by default, a standalone mode (RAYGUI_STANDALONE) allows it to be adapted to any graphics library by implementing a small set of backend functions. The examples directory contains several high-quality, reusable custom widgets (curve editor, property list, file dialog) that demonstrate how to extend the library. The codebase is mature, well-documented, and actively maintained, representing a high standard of C library craftsmanship within its domain.