Open-source alternatives to Git Sizer

git-extras is a collection of command line utilities that extend the functionality of the Git version control system. It provides a suite of shortcuts and additional commands for history manipulation, remote management, repository analysis, and workflow automation. The project distinguishes itself by offering deep integration with hosting providers to manage pull requests and forks, alongside advanced history tools for obliterating sensitive files and rewriting author metadata. It also includes a specialized interactive shell that allows users to execute commands without repeating the binary

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

git-stats is a git statistics analyzer and contribution calendar tool. It extracts commit data from local repositories to visualize contribution frequency and activity patterns through a visual grid of commit activity. The project functions as a local git data exporter and analyzer, converting version history into machine-readable JSON format for external reporting. It utilizes local-first data processing to interpret commit history directly from the system without requiring remote API access. The tool covers developer productivity analytics and git history reporting, providing command-line

Onefetch is a suite of specialized command-line tools designed to fetch system specifications, analyze Git repository metadata, and visualize this data in the terminal. It functions as a system information fetcher and a Git repository information tool, providing a concise overview of hardware, operating system details, and project-level statistics. The project distinguishes itself through a terminal visualizer that utilizes ASCII art, Nerd Font icons, and support for Sixel, Kitty, and iTerm image protocols. It includes a dedicated Git churn analyzer to identify frequently modified files and a

libgit2 is a portable, cross-platform C library that provides a programmatic interface for integrating Git version control directly into applications. It serves as a linkable implementation of Git internals, allowing developers to manage repositories and manipulate version control data without requiring a system installation of the Git command line tool. The library functions as an embedded API and object database manager capable of reading and writing commits, trees, blobs, and tags. It includes a network transport client to handle the transfer of repository data over protocols such as SSH a

This project is a comprehensive collection of common computer science algorithms and data structures implemented in Swift. It serves as an educational reference and library for studying computational complexity, algorithmic logic, and data structure engineering through practical code examples. The repository provides a wide suite of data structure implementations, including various types of linked lists, heaps, hash tables, and an extensive range of hierarchical trees such as Red-Black, B-Tree, and Splay trees. It also covers diverse sorting and searching techniques, from basic bubble sort to

This repository is a curated guide and implementation library of coding patterns used to solve data structures and algorithms problems. It serves as a technical interview study resource, providing a comprehensive set of strategies and computational logic examples for optimizing time and space complexity. The project focuses on standardized algorithmic patterns, including sliding windows, two pointers, and dynamic programming. It features specific implementations for a wide range of challenges, such as LeetCode problem solutions and specialized techniques like cyclic sort and bitwise XOR opera

git-standup is a command-line tool and developer activity tracker that parses Git logs to generate summarized text reports of work completed over specific time periods. It functions as a reporting utility that scans Git repositories to extract metadata and author activity for use in progress reviews and status updates. The tool differentiates itself by the ability to scan multiple repositories through recursive directory discovery and the capacity to synchronize remote states before analysis. It utilizes regular expression filtering to include or exclude specific authors and branches, and emp

Star History is a suite of utilities for visualizing the growth of GitHub repositories over time. It functions as a star growth visualizer, a repository comparison tool, a metric embedder for external websites, and a trending analytics dashboard. The project enables the analysis of star acquisition rates for multiple repositories on a single chart to determine relative growth. It also provides the ability to rank repositories by growth windows to identify rising projects. The system covers project analytics and open source benchmarking by generating time-series charts and growth reports. It

js-code-to-svg-flowchart is a JavaScript source code visualizer and static code analysis tool that converts programming blocks and iterators into scalable vector graphics flowcharts. It functions as a code-to-diagram converter that maps the structural logic and sequence of operations from source files into visual representations. The system includes a command line interface for generating SVG flowcharts directly from local source code. It features a transformation engine that maps code nodes to schematic shapes and supports a sequence of images at varying abstraction levels to explain logic s

git-who is a Git contribution analysis tool designed to identify the primary owners of files and directories by analyzing commit history and file trees. It functions as an ownership mapper and statistics generator that calculates commit volumes and line counts to determine responsibility for specific subsystems. The tool distinguishes itself by mapping directory trees to their most active contributors and generating chronological visualizations, such as bar charts, to show how dominant author shares have shifted over time. It resolves fragmented author names and email addresses into single un

Sapling is a scalable version control system designed to handle repositories with millions of files and commits, making it suitable for large monorepos. It reads and writes Git repositories natively, maintaining full interoperability with Git remotes and standard workflows, and provides an interactive commit graph for exploring repository history and state. The system uses a bookmark-based branching model that eliminates named branches in favor of lightweight, movable labels for commits. It tracks how each commit was created, amended, rebased, or split through commit-graph-based mutation trac

Gitql is a SQL query engine and metadata search tool designed to explore and retrieve information from version control systems. It provides a structured query language that allows users to filter and extract assets from a project history using a formal syntax instead of standard command line interface commands. The tool operates as an interactive data explorer, featuring a command prompt interface for evaluating repository data in real time. It maps version control entities, such as commits and tags, to virtual relational tables, enabling the execution of sequential queries to audit history a

git-history is a visual tool and extension designed for browsing and visualizing the commit history of individual files within Git repositories. It provides a graphical interface for exploring version control history as an alternative to raw command line logs. The project enables the browsing of version history for files hosted on external version control platforms without requiring a full repository clone. It also supports the analysis of files stored in local repositories through a command line interface or editor extension. The tool facilitates version control audit workflows to track how

This project is a curated reference library of algorithmic patterns, data structure implementations, and system design notes. It serves as a Java algorithmic problem set and a competitive programming guide, providing a collection of solutions for coding challenges from platforms like LeetCode and LintCode. The library is distinguished by its comprehensive set of Java implementations for advanced data structures and algorithmic strategies. It includes detailed references for solving complex problems with accompanying time and space complexity analysis. The project covers a broad surface of co

NodeGit is a native Node.js binding library that wraps the libgit2 C API, providing direct Git repository operations from JavaScript without shelling out to the Git command-line interface. It exposes Git operations such as cloning remote repositories, opening local repositories, reading file contents from specific commits, and walking through commit history, all through a Promise-based asynchronous API that prevents event loop starvation by offloading blocking operations to a worker pool. The library distinguishes itself by bridging the C/JavaScript boundary through N-API, with reference-coun

git-extras is a collection of command line extensions for Git that provide utilities for managing repositories, analyzing commit history, and automating version control workflows. The suite includes tools for generating automated changelogs from commit history and utilities for identifying and cleaning up merged or stale branches. The project provides a set of analysis tools to quantify project contributions by calculating commit percentages and author metrics. It further includes capabilities for summarizing repository metadata and state to optimize routine inspections. The toolset is imple

This project is an algorithm template library and coding interview study guide providing reusable code patterns for common data structures and algorithms. It serves as a reference for optimized strategies and a structured learning path to build proficiency in algorithmic problem solving and competitive programming. The library focuses on standardized implementations of key algorithmic patterns, including sliding windows, backtracking, dynamic programming, and binary search. It provides specific templates for managing binary search trees, searching rotated sorted arrays, and executing divide-a

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

Speedtest Tracker is a self-hosted application that automatically schedules and records internet speed tests on a recurring basis. It continuously monitors download and upload speeds, ping latency, and packet loss, storing results as time-series data in a relational database. The application displays historical trends through a web dashboard and provides a read-only public URL for sharing speed test history with unauthenticated visitors. When network performance degrades, Speedtest Tracker triggers alerts based on user-defined thresholds. Security and access control are built in: an IP addres

HertzBeat is an agentless monitoring platform designed to collect performance metrics from network devices, databases, and servers without requiring client software. It functions as an infrastructure monitoring dashboard, an alert management system, and a centralized log aggregator using the OpenTelemetry Protocol. The system utilizes a cloud-edge collection hierarchy to scale data gathering across clusters and isolated networks. It distinguishes itself with a flexible extensibility model, allowing users to define new monitoring workflows through configuration-based metric templates and custo

DevLake is a DevOps data platform and analytics tool designed to orchestrate data pipelines that ingest, transform, and sync metadata from external development tools into a unified database. It functions as a system for collecting and normalizing data from source control, CI/CD pipelines, and issue trackers into a standardized schema to enable consistent software delivery analytics. The platform distinguishes itself by transforming tool-specific data into a common domain model, allowing for the calculation of engineering metrics via SQL. It provides specialized frameworks for measuring DORA m

apollo-ios is a GraphQL client library for iOS and Apple platforms that enables type-safe network communication. It transforms GraphQL operations into generated Swift models, ensuring that network responses are validated at compile time to eliminate manual mapping. The library features a normalized cache manager that stores entities in a flat structure to maintain data consistency across different application views. It also optimizes network performance using hash-based persisted queries to reduce payload sizes and supports real-time data streaming via WebSockets or HTTP subscriptions. The p

This project is a comprehensive Git command reference guide and version control cheat sheet. It serves as a technical directory of terminal syntax and functional workflows organized as markdown documentation. The documentation is structured to map specific commands to development lifecycle stages, providing detailed guidance on implementing feature workflows, managing production releases, and executing critical hotfixes. The reference covers a broad range of version control capabilities, including repository initialization, branch and merge management, remote synchronization, and project his

This project is a front-end interview study guide and a collection of structured notes designed for technical job preparation. It serves as a comprehensive reference for web technologies, common technical interview questions, and JavaScript algorithm implementation. The notebook distinguishes itself by integrating specialized guides for web performance optimization, browser API documentation, and JavaScript algorithm references. It provides a structured approach to solving coding challenges involving data structures like binary trees, linked lists, and array manipulation. The content covers

Nightingale is a Prometheus-compatible monitoring and alerting platform designed to centralize telemetry management across multiple time-series databases. It functions as a multi-source alerting engine and metric data pipeline that ingests telemetry via remote write protocols and triggers alarms based on data from sources such as Prometheus, Elasticsearch, Loki, and ClickHouse. The system is distinguished by its automated alert healing system, which executes predefined scripts and RPC-based corrective actions when monitoring thresholds are breached. It supports distributed alert processing, a

Dynamic Thread Pool is a Java framework for the dynamic management, observability, and orchestration of thread pools. It allows for the real-time adjustment of thread pool parameters via external configuration centers without requiring application restarts. The project distinguishes itself by providing middleware orchestration, enabling the interception and tuning of thread pools embedded within third-party web servers and RPC frameworks. It further supports distributed tracing by propagating execution contexts and metadata from submitting threads to worker threads to maintain observability a