Open-source alternatives to Cloc

This project is a general-purpose command-line filter that provides an interactive interface for processing standard input streams. It enables real-time fuzzy searching, data selection, and transformation, allowing users to navigate complex information or file systems directly within their terminal. By utilizing a pipe-oriented architecture, it integrates into existing shell pipelines and workflows to facilitate efficient data exploration. What distinguishes this tool is its highly extensible, event-driven design that allows for deep integration with external processes. It supports asynchrono

Scc is a codebase analysis tool written in Go that calculates source lines of code, blank lines, and comments across hundreds of programming and markup languages. It functions as a source code metric engine, software complexity analyzer, and cost estimator. The project differentiates itself by providing a COCOMO cost estimator to predict development effort and financial costs, alongside tools to estimate the cost of regenerating a codebase using large language models. It also includes a Git repository metrics tool that correlates commit history with codebase metrics to identify hotspots, trac

The IntelliJ Platform is a modular framework designed for building desktop integrated development environments. It provides the core infrastructure necessary to create specialized coding tools, including a virtual file system for tracking project sources, a text editor, and a cross-platform graphical user interface framework. The platform distinguishes itself through a component-based architecture that allows developers to extend core application behavior via independent functional units. It supports the creation of custom development environments by integrating language analysis logic, enabl

ApplicationInspector is a multi-language static analysis tool designed to detect specific features and characteristics within source code. It utilizes a declarative JSON rules engine to identify patterns and structural tags across project directories without requiring the analyzer to be recompiled. The system distinguishes itself through a code version differ that compares two different source paths to report changes in detected features. It also provides utilities for creating and validating custom JSON-based rules, including a validation pipeline to verify syntax and identifier uniqueness.

Semantic is a Haskell-based library and command-line tool designed for polyglot source code analysis. It functions as a static program analysis framework and a polyglot abstract syntax tree parser that converts multiple programming languages into structured syntax trees based on grammar definitions. The system distinguishes itself through a semantic code comparison engine that detects structural and meaningful changes between code versions rather than relying on textual differences. It further enables analysis across different programming syntaxes by translating surface languages into a unifi

Acode is a code editor designed for mobile devices. It provides syntax-highlighted editing for multiple programming languages, an integrated JavaScript console for running and debugging scripts, and a built-in web preview that renders local HTML, CSS, and JavaScript projects in an embedded browser. The editor is extensible through a plugin system, which includes a dedicated JavaScript API for building custom plugins and a curated repository for community plugin installation. Plugins are auto-installed and can hook into the editor's lifecycle, UI, and file operations. Language support is confi

Rayon is a data parallelism library for Rust that provides a framework for converting sequential computations into parallel operations. It enables the transformation of standard data structures and loops into parallel iterators, allowing workloads to be distributed across multiple processor cores. By utilizing a work-stealing scheduler, the library dynamically balances tasks to maximize throughput and minimize execution time. The library distinguishes itself through its focus on safe, scoped task synchronization, which ensures that all spawned operations complete before a scope exits to preve

Zed is a terminal-based code editor built in Rust that provides a full-featured editing experience with familiar keybindings, mouse support, and multiple cursors. It runs entirely in the terminal while offering capabilities typically found in graphical editors, including split panes, a command palette, and integrated language server protocol support for real-time diagnostics, completions, go-to-definition, and code actions across multiple languages. The editor distinguishes itself through a plugin system that runs sandboxed TypeScript plugins in a QuickJS runtime, with an asynchronous bridge

RxJava is a reactive stream processing framework and JVM reactive extensions library. It serves as an asynchronous dataflow orchestrator used to compose event-based programs by transforming, combining, and consuming real-time data flows on the Java Virtual Machine. The project distinguishes itself through integrated backpressure flow control, which manages the emission rate between producers and consumers to prevent memory exhaustion. It further provides mechanisms for concurrent thread management and parallel data processing to offload blocking operations and maintain application responsiven

A customized bash environment suitable for git work.

This project is a configuration framework and environment manager for the Zsh shell. It functions as a plugin manager and prompt theme engine, automating the installation, organization, and updating of terminal workflow configurations. The framework decouples visual presentation from shell logic using a library of interchangeable themes and a prompt engine that supports asynchronous rendering to maintain interface responsiveness. It employs a plugin-based architecture to inject custom aliases and specialized tools into the shell session. Users can manage shell settings and environment variab

p3c is a Java static analysis tool and code quality linter designed to enforce professional coding guidelines and quality standards. It utilizes a set of custom rules based on the PMD engine to scan source code for style violations, performance bottlenecks, and potential bugs. The project is distributed as an IDE linting plugin that provides real-time feedback and warnings during development. It also includes functionality for pre-commit code quality gates, allowing modified files to be scanned and blocked if they violate defined rules before being committed to version control. The analysis

ripgrep is a command-line utility designed for searching through large file trees and source code repositories. It functions as a recursive text processor that traverses directories to locate and display matching patterns, serving as a high-performance alternative to traditional search tools. The tool distinguishes itself through a focus on execution speed and intelligent file handling. It utilizes a finite automata-based regular expression engine to ensure linear time complexity and employs hardware-level acceleration for literal byte sequence scanning. By integrating with version control sy

Glances is a cross-platform system monitoring tool designed to track real-time resource usage and hardware health metrics across diverse computing environments. It functions as a command-line utility that provides a unified view of system performance, identifying bottlenecks and maintaining infrastructure stability through a consistent abstraction layer that translates kernel calls into actionable data. The project distinguishes itself through its distributed capabilities, offering a web-based interface that enables remote access to live performance metrics from any device without requiring d

Peco is an interactive text filter and fuzzy finder for the terminal. It serves as a terminal user interface selection tool that filters standard input in real-time using fuzzy matching and regular expressions. The tool preserves and renders ANSI color escape sequences from piped input streams while performing matching logic on plain-text versions. It supports multi-stage filtering, allowing users to freeze result sets to create a new base for subsequent refinements. Capability areas include advanced search filtering with negative matching, multi-item selection, and the ability to pipe selec

Hub is a git command line tool and GitHub API client that provides a shell interface for automating workflows. It functions as a GitHub git wrapper, extending standard git commands to include direct management of repositories, issues, and pull requests. The tool integrates REST API communication with a wrapper-based execution model to perform administrative tasks without a web browser. It utilizes OAuth-based authentication and a local configuration store to secure API requests. The utility includes shell command completion and argument parsing to improve terminal productivity. It also suppo

This project is a community-driven repository of simplified, example-based reference guides for command-line tools. It functions as an open-source knowledge base designed to provide concise, practical usage examples that help developers navigate complex software without the need for lengthy technical documentation. The system relies on a decentralized architecture where independent client applications fetch and render documentation locally. This approach ensures that reference materials remain accessible offline while supporting a wide variety of user interfaces across desktop, mobile, and we

Gitleaks is a static analysis security tool and secret detection engine designed to find hardcoded passwords, API keys, and authentication tokens. It functions as a Git secret scanner that analyzes both local file systems and Git commit history to prevent credential leaks. The tool distinguishes itself through a decoding pipeline that transforms base64 and hex strings into plaintext to find obfuscated secrets. It further reduces false positives using proximity-based validation and fingerprint-based suppression to filter out known or baseline findings. The system covers a broad range of detec

git-quick-stats is a command-line tool for calculating commit counts, line changes, and contributor metrics from Git history. It functions as a repository statistics tool, metrics generator, and contribution analyzer that extracts quantitative data from Git logs. The tool distinguishes itself through the ability to generate frequency maps and activity trends to visualize development momentum over time. It provides specific controls to isolate project history by toggling the visibility of merge commits. The software covers a broad range of analytics, including contributor impact tracking and

chezmoi is a command-line utility designed to manage and synchronize system configuration files across multiple machines. It uses a local Git repository as the single source of truth, allowing users to track, version, and distribute dotfiles while maintaining a consistent state across diverse operating systems and hardware architectures. The project distinguishes itself through a declarative reconciliation model that computes the difference between the current filesystem and the desired state defined in the repository. It features a robust templating engine that processes configuration files

goproxy.cn is a Go module proxy and checksum database proxy designed to manage the availability and integrity of Go software modules. It provides a regional mirror of modules to ensure reliable dependency downloads for build pipelines and CI/CD optimization. The service utilizes a content delivery network for module mirroring and distribution to reduce latency. It employs a lazy-loading proxy cache that retrieves and stores modules from primary sources on demand to optimize storage. The platform includes software download analytics to track version-specific download counts and usage trends.

highlight.js is a JavaScript syntax highlighter and client-side code formatter that transforms plain text source code into highlighted HTML for web display. It provides syntax highlighting across a wide variety of programming languages. The library includes an automatic language detector that identifies the programming language of a code block to apply the correct highlighting rules without manual tagging. It is designed for web worker compatibility, allowing the highlighting process to run in background threads to prevent the browser interface from freezing during the processing of large vol

CodeMirror 5 is a browser-based code editor and extensible UI component. It functions as a syntax highlighting engine and a programmable text surface, providing a professional coding experience embedded within web pages. The project is distinguished by its ability to act as a collaborative text editor, synchronizing document changes across multiple users in real time. It also includes a dedicated Vim emulation layer that implements modal keyboard interactions, motions, and operators. The system covers broad capability areas including language support for autocompletion and error analysis, co

Upgrade Helper is a web-based comparison tool and developer migration guide designed for updating React Native projects to newer versions. It functions as a version diff visualizer that identifies the exact code changes required when moving between specific releases. The tool provides a checklist-style interface for tracking the progress of manual code updates. Users can visualize version differences and mark individual files as completed to maintain a record of remaining work during the migration process. The platform covers a range of mobile app maintenance needs, including React Native de

This repository contains a collection of extensions and configurations for a text editor plugin ecosystem. It provides a framework for adding language support and custom behavior through a system of customizable key bindings, a project indexing engine, and a syntax highlighting framework. The project utilizes a Python API to enable the development of custom plugins, menus, and tools. It supports a functional extension framework where users can create custom themes, syntax definitions, and resource overrides to expand the editor's visual styles and capabilities. The system covers advanced tex

Chroma is a syntax highlighter written in Go that converts raw source code into colorized text or HTML. It identifies programming languages and tokens using language-specific lexers to produce highlighted output for various environments. The project utilizes a theme-driven colorization system that decouples token types from final colors through an intermediate style mapping layer. This allows for custom code theming by mapping specific token categories to foreground and background colors. The system covers language identification, terminal text formatting for ANSI-compatible viewers, and web

This project is a collection of educational resources and reference materials designed to provide guidance on version control workflows. It serves as a knowledge base and command reference guide for managing repositories, featuring a categorized cheat sheet and tutorials on optimizing project management. The resources focus on advanced techniques for history manipulation, such as commit recovery, remote synchronization, and repository optimization. It provides practical tips for refining project history through branching, stashing, and the use of configuration settings to speed up common task