Projects sharing features with Amber

This project is a comprehensive educational resource and programming course covering C++ language semantics and features from C++03 through C++26. It provides structured tutorials and technical guides focused on modern C++ development. The material offers specialized instruction on template metaprogramming, including the use of type traits and compile-time computations. It features detailed guides on concurrency and parallelism for multi-core execution, as well as a reference for software design applying SOLID principles and RAII. Additionally, it covers build performance optimization to redu

This project is a localized educational resource for learning the Rust programming language, providing a comprehensive guide and technical specifications translated into Simplified Chinese. It serves as an instructional tool for studying language idioms, memory management, and type systems. The repository focuses on software documentation localization, converting official guides into Simplified Chinese to increase accessibility for non-English speakers. It utilizes a markdown-based system to organize content and supports multi-format export to static HTML, PDF, and EPUB formats for both web a

This project is a comprehensive, community-maintained knowledge base and toolkit designed for competitive programming. It serves as a centralized repository for algorithmic theory, data structures, and mathematical techniques, providing a structured reference for informatics and collegiate programming competitions. The project distinguishes itself by integrating educational content with a robust suite of automation utilities. It provides a complete workflow for competitive programming, including tools for automated test case generation, solution verification, and direct interaction with onlin

Oils is a Unix shell interpreter and scripting language runtime that combines a modern shell language with POSIX and Bash compatibility. It functions as a structured data shell, integrating JSON and J8 formats to manage complex data without relying on string parsing. The system is distinguished by a C++ transpiled interpreter that converts a subset of Python source code into strongly typed C++ for high-performance execution. It features a garbage-collected typed runtime that supports prototype-based polymorphism, lexical closures, and reference-based variable mutation. To decouple shell logic

This is an open-source, crowd-sourced wiki textbook that teaches Linux system programming in C. It covers the core operating system concepts of process management through the fork-exec-wait model, dynamic memory allocation using implicit free list heap allocators, inode-based file systems, inter-process communication via pipes and shared memory, POSIX threads with synchronization primitives, signal-based asynchronous notification, virtual memory with page table translation, and runtime diagnostics using Valgrind and GDB. The textbook distinguishes itself by providing practical, implementation

vim-rails is a set of editor enhancements for navigating, testing, and managing Ruby on Rails applications within Vim. It provides a project navigator for jumping between related controllers, models, and views, a dedicated test runner for executing specs, and an interface for running framework generators and commands directly from the editor. The plugin enables the extraction of code blocks into separate partials or concerns and automatically replaces the original content with render calls. It also includes a specialized syntax highlighter that applies color coding to framework-specific metho

ihp is a type-safe web framework and full-stack application orchestrator designed for PostgreSQL. It functions as a server-side rendering framework and a type-safe ORM that automatically generates record types from SQL schemas to ensure compile-time query validation. The platform distinguishes itself by verifying routing, database queries, and templates at compile time to prevent runtime crashes. It implements real-time web interfaces using WebSockets for instant data synchronization and employs server-driven hypermedia for partial DOM patching. The framework covers a broad range of integrat

github-script is a GitHub Actions JavaScript runner that executes asynchronous scripts to interact with the GitHub API. It serves as a JavaScript workflow scripting runtime and API client, providing a pre-configured authenticated client for automating tasks within GitHub Actions pipelines. The project enables the implementation of custom workflow logic that exceeds standard YAML syntax, including the ability to perform REST API calls and execute GraphQL queries for complex data extraction. It supports the management of multiple authenticated clients to facilitate cross-organization repository

Sbt is a JVM build tool and dependency management system designed for Scala and Java. It functions as a multi-project build orchestrator that manages the compilation of source code, resolves external libraries from remote repositories, and packages binaries for distribution. The project is distinguished by its interactive build system, which provides a read-eval-print loop for real-time state inspection and task execution. It utilizes a dependency-graph based execution model to process tasks and maintains a type-safe key-value store for dynamic build configuration. Its capabilities cover JVM

This project is a comprehensive guide and educational resource for the TypeScript language. It covers the fundamental principles of the language, including its structural type system, static type analysis, and the process of transpiling typed source files into JavaScript. The material details how to model complex data and reusable type logic using generics, conditional types, and mapped types. It also explains the use of declaration files to provide type safety for external JavaScript libraries and the integration of type checking into existing JavaScript projects via JSDoc annotations. The

Dhall is a type-safe configuration language designed to create programmable configuration files that are guaranteed to terminate. It is a non-Turing-complete language that uses a strict type system to ensure correctness and prevent infinite loops during evaluation. The project functions as a deterministic configuration engine and marshalling tool, converting programmable expressions into static formats such as JSON, YAML, and Bash. It distinguishes itself through a focus on security and integrity, using semantic hashing to pin remote imports and enforcing origin policies to prevent data exfil

This project is a Go language learning guide and implementation map designed to help developers transition from Node.js to Go. It provides a series of side-by-side code comparisons that contrast identical logic implemented in both languages to illustrate syntax and runtime differences. The repository serves as a tutorial for Go concurrency, specifically comparing the use of channels and goroutines against JavaScript promises. It also includes a performance benchmarking suite to measure and compare the execution speed of Go against Node.js for the same operations. The guide covers systems pro

Thunder Client is a REST API client extension for VS Code that functions as an HTTP request manager, testing tool, and mocking workspace. It allows users to send requests, organize them into collections, and manage API configurations directly within the editor. The project distinguishes itself through a command-line interface for executing automated test suites in CI/CD pipelines and a Git-based synchronization system for sharing request collections and environment configurations across teams. It also incorporates artificial intelligence to automate the conversion of API scripts during migrat

Janet is a Lisp-based dynamic programming language featuring a register-based bytecode virtual machine and an embeddable scripting engine. It functions as a fiber-based concurrency runtime and includes a parsing engine based on Parsing Expression Grammars. The project is distinguished by its ability to be integrated into C or C++ applications via a minimal header interface. It utilizes a Lisp-style macro system for compile-time code transformation and employs prototype-based table inheritance for object-oriented behavior. The runtime covers a broad set of capabilities, including asynchronous

This project is a comprehensive educational resource consisting of a Bash programming tutorial, scripting reference, and Linux command line manual. It provides instructional materials for writing scripts, automating system tasks, and mastering terminal navigation and Unix system administration. The guides cover a wide range of shell environment customization, including prompt styling and the use of aliases. It also provides a shell environment guide for managing configuration files and initializing user environments. The materials detail a broad set of capabilities including control flow log

Batsh is a cross-platform shell compiler and transpiler that translates a unified scripting syntax into platform-specific commands for Bash and Windows Batch. It functions as a multi-platform script generator, transforming a single source language into executable scripts compatible with Linux, macOS, and Windows. The system utilizes a translation process that maps high-level constructs to an intermediate representation and resolves differences in command flags and variable expansion. It supports conditional target embedding, allowing raw code blocks to be injected into the output for a specif

This project is a suite of basic command line utilities rewritten in Rust, providing a cross-platform implementation of POSIX shell utilities. It serves as a portable CLI toolset designed to run across different operating systems and architectures. The implementation includes a WebAssembly shell environment, which allows these essential command line tools to be executed directly within a web browser without requiring a local installation. The toolset covers a broad range of system capabilities, including filesystem operations, text processing and stream editing, and system administration too

Cash is a JavaScript implementation of Unix shell utilities and command-line interfaces. It provides a collection of standard system-level text processing and file manipulation tools written in ES6 that run without native compilation or external dependencies. The project allows for the programmatic execution of shell operations using function calls and tagged templates. It implements a system for chaining multiple commands together to filter and transform data through programmatic pipelines, mimicking standard shell pipe behavior. These capabilities enable the execution of Unix-style command

Shuttle is a macOS menu bar application that serves as an SSH shortcut menu and terminal command orchestrator. It allows users to launch remote server connections and execute shell scripts through a persistent status bar interface. The utility parses system SSH configuration files to create a navigable menu of remote servers. It organizes these hosts into hierarchical nested menus using path-based identifiers to group servers and environments. The application manages terminal automation by dispatching shell commands to a preferred terminal emulator. It supports custom command definitions wit

Übersicht is a desktop widget engine for macOS that renders JavaScript-based widgets as live content directly on the desktop background. Widgets are authored using JSX syntax with inline CSS styling, enabling a React-like component model and automatic code reload without manual refreshing. The engine provides built-in bridges for executing arbitrary shell commands asynchronously, accessing device geographic location with street-level detail, and routing outbound HTTP requests through a local proxy to bypass cross-origin restrictions when fetching external data. Distinctively, widgets can be a

This library is a collection of zero-overhead C++ abstractions designed to replace primitive types with strict wrappers. By leveraging template metaprogramming, it enforces compile-time type safety and validates data integrity, ensuring that logic errors are caught during the build process rather than at runtime. The project distinguishes itself by providing a zero-cost abstraction layer that maps high-level type safety wrappers directly to machine instructions. It utilizes static type identity enforcement to treat logically distinct data as incompatible types, even when they share the same u

tplmap is a security tool designed for the detection and exploitation of server-side template injection vulnerabilities. It functions as an automated scanner to identify vulnerable template engine contexts and provides a framework for achieving remote code execution. The tool focuses on translating high-level requests into engine-specific syntax to execute operating system commands and bypass application sandboxes. It further enables remote file system access, allowing users to read, write, and transfer files between a local machine and a target server. Additional capabilities include the ab

entr is a command-line tool and shell command orchestrator that executes arbitrary terminal commands automatically whenever monitored files are modified. It serves as a Unix file system monitor that maps filesystem events to the execution of user-defined shell commands. The utility functions as a development workflow automator by restarting background processes and refreshing console output to provide immediate feedback during coding. It can terminate and restart long-running services when configuration or source code is updated. The project covers automated task execution and continuous int

Ajenti is a Linux server management panel that provides a centralized web-based dashboard for administering system configurations, services, and hardware resources. It functions as a system monitor and a remote administration tool for managing server infrastructure through a browser. The project includes a web-based terminal emulator for executing shell commands and a file manager for browsing and organizing the server filesystem. It also features a dedicated manager for deploying and controlling the lifecycle of Docker containers. The platform covers a broad range of administrative capabili

PEASS-ng is a Linux privilege escalation scanner and post-exploitation enumeration tool. It identifies security vulnerabilities and misconfigurations on Linux systems that could lead to unauthorized elevated access. The tool functions as a security audit utility that discovers system weaknesses and sensitive information after initial access is gained. It scans operating systems to identify specific privilege escalation paths. Findings are converted into structured security audit reports. The tool supports exporting scan results into JSON, HTML, and PDF formats for formal analysis and documen

Azkaban is a distributed workflow manager and DAG-based job orchestrator designed as an enterprise batch processor. It serves as a Java-based workflow engine that schedules and executes complex job sequences across a cluster of executor servers, with specific functionality for managing big data workloads on Hadoop clusters. The system distinguishes itself through a distributed executor model that coordinates state via a shared database to ensure high availability. It employs a plugin-based architecture that allows for custom job types and system functionality extensions, including the ability

Blink is a mobile terminal platform for iOS that combines an SSH and Mosh client with a local shell emulator, snippet manager, and SSH key storage. It renders terminal output using Chromium's HTerm engine for fast display and maintains persistent remote sessions across network changes through the Mosh protocol. The platform supports SSH key-based authentication, WebAuthn hardware security keys, and SOCKS5 proxy tunneling for secure remote access. The terminal environment is built around gesture-based session navigation, allowing users to switch between multiple shells with swipe and pinch ges