Open-source alternatives to Github Contributions Chart

Le Git Graph is a browser-based tool that displays a visual commit graph for any GitHub repository, showing branch structure and commit history directly in the page. It operates as a single-page application that injects the commit graph into existing repository pages without full page reloads, using OAuth to authenticate with GitHub and authorize API requests for commit data. The tool renders commit nodes and branch lines on an HTML canvas element for smooth, high-performance visualization of complex git histories. It filters the commit graph to show only commits from a selected branch, hidin

waka-readme-stats is an automated profile README updater and developer statistics dashboard. It integrates with the WakaTime API and compatible self-hosted endpoints to synchronize time-tracking data, which it then transforms into a formatted display of coding hours, languages, and operating systems. The tool operates as a GitHub Action that fetches metrics and automatically updates a profile README file by replacing marker comments with dynamic content via git commits. It allows for custom API endpoint integration to support self-hosted services. The system provides capabilities for metrics

Sourcerer App is a developer experience dashboard and Git repository analyzer that extracts statistical data to build technical skill profiles. It functions as a GitHub profile visualizer, creating a graphical representation of a programmer's expertise based on actual code usage across multiple software projects. The tool generates developer portfolios by analyzing commit history across various repositories to quantify experience with specific programming languages and libraries. It maps technical experience to visualize the breadth and depth of a developer's stack. The system supports local

This project is a comprehensive collection of web development reference guides and technical cheat sheets. It provides a curated set of markdown-based documentation designed to help developers quickly locate syntax patterns and API examples for common web technologies and programming languages. The repository serves as a specialized reference library covering several distinct technical domains. It includes extensive guides for CSS, focusing on selectors, Flexbox, Grid, and responsive layout properties, as well as a DevOps command reference for Docker, Kubernetes, AWS, Ansible, and general she

cal-heatmap is a JavaScript visualization library used to render time-series data as a grid of colored cells. It functions as a customizable calendar component that maps data density and frequency over temporal intervals ranging from minutes to years. The library provides built-in support for localized temporal displays, allowing for the adjustment of regional date formats, timezones, and locale-specific week starts. It utilizes a plugin system for both the calendar layout and heatmap charts to extend behaviors and visual styles. The system manages data visualization through SVG-based grid r

gg is a Go 2D graphics library and vector graphics engine designed for programmatic image generation. It provides a canvas rendering API to create custom 2D shapes, paths, and visual assets, which can be exported as PNG and JPG files. The toolkit enables the construction of complex geometry using Bezier curves and custom paths. It supports a variety of rendering operations, including filling and stroking paths, applying linear and radial gradients, and utilizing surface patterns. The library covers a broad range of capabilities, including text rendering with word wrapping and dimension measu

history.js is a cross-browser URL state manager and HTML5 History API polyfill. It functions as a single page application router that manages browser URL and history state consistently across HTML5 and HTML4 browsers, enabling navigation without triggering full page reloads. The project provides a JavaScript framework adapter that integrates history management with the event systems of jQuery, MooTools, and Prototype. It ensures compatibility through a fallback mechanism that switches to hash-based navigation and hashbang URLs when the native HTML5 History API is unavailable. The system cove

re-frame is a functional framework for building single-page applications in ClojureScript. It provides a centralized, immutable database that serves as the single source of truth for the entire application state, enforcing a strict unidirectional data flow where events trigger state transitions and subsequent view updates. The framework distinguishes itself through a reactive signal graph and an interceptor-based middleware pipeline. By treating application logic as a sequence of data-driven events and declarative side effects, it decouples business logic from the view layer. This architectur

Octokit.rb is a Ruby client library and REST API wrapper used to programmatically interact with GitHub. It provides a structured interface for automating workflows, managing repositories, and transforming raw HTTP responses into Ruby objects. The library differentiates itself through hypermedia-driven navigation, which uses URI templates and link relations to discover resources dynamically. It also implements automated result pagination to combine paginated responses into single arrays and uses fingerprint-based caching to reduce redundant network requests. The tool covers a broad range of c

PyGithub is a Python library that serves as an object-oriented wrapper for the GitHub REST API. It functions as a specialized client that translates API endpoints into a hierarchy of Python classes, allowing for the programmatic management of GitHub repositories, user profiles, and organizations. The library manages the serialization of requests and responses, converting JSON data into structured object attributes. It utilizes lazy-loading for property retrieval and employs generators to handle pagination when iterating over large remote datasets. This toolkit enables the automation of GitHu

This project is a browser-based developer toolkit that provides a collection of offline-first utilities for common data transformations and encoding tasks. It functions as a static web application, bundling multiple independent productivity tools into a single-page interface designed for rapid technical task execution. The suite operates entirely on the client side, ensuring that all data processing occurs locally within the user browser without requiring a backend server or external service dependencies. This architecture prioritizes privacy and security by keeping sensitive information off

This project is a developer portfolio generator and static site generator designed to transform markdown files and external API data into a professional website. It functions as a GitHub Pages template that renders dated articles through a markdown blog engine and creates static HTML pages for web hosting. The system distinguishes itself by acting as a GitHub API portfolio, automatically importing and displaying repository data and user profiles to populate portfolio elements. It utilizes API-driven content injection to automate updates to the project showcase and professional profile. The f

AndroidNote is a technical knowledge base and reference resource for Android development. It provides comprehensive guidance on application architecture, custom view development, and advanced graphics programming. The project is distinguished by its depth in visual implementation, covering pseudo-3D perspective projections via virtual cameras and complex 2D rendering using Bézier curves and PorterDuff color blending. It also provides detailed methodologies for app modularization and the management of internal libraries through private Maven repositories and JitPack. The reference surface ext

This project is a front-end education portal and static website that serves as a repository for web development courseware. It provides instructional materials and source code for learning the fundamentals of HTML, CSS, and JavaScript. The site functions as a resource for students to practice programming skills through guided exercises and downloadable learning assets. It distributes educational content including instructional PDFs and exercise code to facilitate the study of front-end web development. The platform covers a variety of capabilities, including the integration of multimedia con

This project is a programmable font system and canvas typography engine that renders a geometric sans-serif typeface using raw coordinate data. It functions as a coordinate-based text animator, allowing for the real-time modification of glyph shapes and font weights. The system distinguishes itself through the ability to extract and manipulate the point coordinates of characters to create morphing effects, wave animations, and shape transitions. It enables dynamic weight interpolation and point-to-line visualizations, moving beyond static font rendering to produce procedural typography. The

Blazor is a .NET framework for building interactive web user interfaces using C# instead of JavaScript. It provides a component-based UI composition model where reusable, self-contained UI elements are built with C# logic and Razor markup, supporting nesting, parameters, and lifecycle events. The framework offers two primary rendering models: a client-side runtime that compiles C# to WebAssembly and executes directly in the browser, and a server-side model that renders UI on the server and sends incremental DOM updates over a persistent SignalR connection. A central capability of Blazor is it

yacd is a browser-based dashboard for managing and configuring Clash proxy servers. It provides a graphical web interface that allows users to view and edit proxy settings, switching between network nodes and adjusting routing rules without manually editing configuration files. The application acts as a client to the Clash backend REST API, enabling real-time operations such as proxy group administration, traffic routing configuration, and connection parameter tuning. Its single-page application shell handles all state management on the client side, with form validation catching input errors

Grip is a GitHub API rendering tool and markdown previewer that transforms local markdown files into styled HTML. It functions as a converter for processing markdown text into HTML files and as a local server for verifying content appearance before it is committed to a repository. The project ensures visual parity with GitHub by using the GitHub API to render content, applying the specific styles used in repository comments, issues, and pull requests. It includes a mechanism to embed external CSS directly into generated HTML files for portable offline distribution and utilizes disk-based asse

This is a chart library for rendering interactive data visualizations within WeChat Mini Programs using the Apache ECharts engine. It provides a set of visual components that use 2D canvas interfaces to render line, bar, pie, and scatter plots. The library utilizes a 2D canvas interface to increase drawing speed and resolve visual layering issues. It implements an interactive charting component that supports touch-based data interaction, allowing users to see detailed contextual information through formatted tooltips when tapping or hovering over data points. The project covers mobile data v

This project is an open-source Flutter GitHub client and cross-platform mobile application. It serves as a GitHub GraphQL client and OAuth mobile app, providing a mobile interface for browsing repositories, issues, and user profiles. It is also designed as an open-source architecture reference to demonstrate Flutter best practices, state management, and multi-language localization. The application distinguishes itself by using GraphQL queries to retrieve nested repository and user information, reducing network requests and over-fetching. It utilizes a shared Dart codebase to provide a consist

Backbone Fundamentals is an introductory guide to building structured client-side JavaScript applications using Backbone.js. It covers the core concepts of model-view-controller architecture, including models, views, collections, and routers, to compose maintainable single-page applications. The book explores event-driven state propagation, where model changes broadcast through custom events to decouple updates from view re-rendering, and a RESTful JSON sync layer that maps CRUD operations to HTTP endpoints. It also covers template-based view rendering, modular script loading for managing cod

This project is a self-hosted project management platform and collaboration tool designed for private deployment on owned servers. It provides a workspace for tracking tasks and issues, utilizing a container-based application stack to orchestrate the deployment of backend services and databases. The platform functions as a unified workspace that synchronizes data from GitHub repositories and integrates Gmail accounts. It incorporates conversational AI chatbots and translation tools for automated text and voice interactions, alongside a real-time communication hub featuring audio and video cal

All Contributors is an open source tool that automates the recognition of every person who contributes to a project, not just those who write code. It uses a GitHub bot to parse issue comments and automatically update a project's README with a formatted markdown table listing contributors and their emoji-coded contributions. The project standardizes contribution categories by mapping specific emoji symbols to distinct contribution types, enabling consistent visual recognition of diverse roles such as design, documentation, and community support. It integrates with the GitHub API to fetch cont

This project is a technical blogging platform and Git-based content management system that uses GitHub Issues for publishing and storing articles. It functions as a Markdown technical blog where content is created and edited as issues within a version control repository. The system enables serverless content publishing by using a version control platform's issue tracker as the primary database instead of a traditional content management system. This allows for the maintenance of a searchable archive of technical documentation and tutorials. The platform utilizes API-driven static generation

This project is a developer onboarding tool and GitHub issue discovery portal. It serves as a curated directory and contribution guide designed to match new programmers with beginner-friendly open source tasks based on their technical skills and experience level. The platform operates as a static project directory, using a serverless catalog of repositories stored in JSON files. It provides the ability to filter tasks by programming language and difficulty, enabling users to identify approachable starting points in active software projects. The system includes capabilities for repository cur

jspaint is a web-based reimplementation of Microsoft Paint, built entirely in JavaScript to run in a browser. It recreates the classic desktop application by reverse-engineering the original Win32 API calls and event handling, rendering the entire interface onto an HTML5 canvas for pixel-perfect retro graphics. The project preserves the original file format compatibility with BMP, PNG, GIF, and JPEG, ensuring exact pixel data matches the legacy application. The application maintains a complete undo history stack using compressed image snapshots, and offloads computationally intensive image pr