Projects sharing features with Build Your Own Radar

This is a reference implementation library providing a collection of code samples, Transact-SQL scripts, and schemas for SQL Server, Azure SQL, and Azure Synapse. It focuses on providing standardized implementation patterns and reference code for building relational databases and cloud data warehouses. The library distinguishes itself by offering specialized guides and examples for deploying database instances within containerized environments and Azure cloud services. It includes specific reference databases and language extensions for integrating machine learning services and advanced analy

Harp is a zero-configuration static web server and asset compiler that transforms templates and stylesheets into browser-ready assets during web requests. It functions as an on-the-fly compiler and template engine orchestrator, converting files such as Markdown, Jade, Sass, and CoffeeScript into standard HTML, CSS, and JavaScript without requiring a manual build step. The system eliminates complex build scripts by using a filesystem-driven route mapping and extension-based resolution to match files to specific compilation engines. It utilizes memory-based caching to store processed assets and

Vitesse is a pre-configured starter template for building Vue applications with Vite and TypeScript. It functions as a static site generator and a progressive web app scaffold, providing a standardized development environment for web projects. The project distinguishes itself through a file-based routing system that automatically maps application routes based on the project folder structure. It employs an atomic CSS framework to generate on-demand utility classes for performant stylesheets and an automated component injection mechanism to remove repetitive import statements. The toolkit cove

JupyterLite is a WebAssembly-based interactive notebook environment that enables browser-based computing without a backend server. It provides a client-side data science sandbox where users can execute programming language kernels and run interactive notebooks entirely within the web browser. The project allows for the creation of tailored distributions by pre-installing specific language packages, bundling custom wheels, and applying environment configurations. It supports the generation of static sites that can be deployed to any standard HTTP host, including the ability to package the envi

GeminiProChat is a web-based chat interface for interacting with Gemini Pro and other large language models via API. It is provided as a containerized application and a progressive web app that can be installed as a standalone native application on mobile and desktop devices. The system includes password-protected access to prevent unauthorized use of AI API quotas. It allows for the configuration of specific model names and base URLs through environment variables to route requests to different AI service endpoints. The application renders AI responses using markdown and syntax highlighting

Blackcandy is a self-hosted music streaming server and digital music library manager. It allows users to host personal collections of audio files on a private server for streaming to web browsers and dedicated mobile applications. The system includes a media library sync engine that monitors file system changes in the background and uses parallel processing to keep the music database synchronized. It manages library organization by extracting audio metadata and fetching artist and album imagery from external databases. The platform provides capabilities for remote audio playback, music libra

This project is a curated knowledge repository that catalogs common misconceptions and technical edge cases encountered across software development. It serves as a collaborative reference archive, aggregating insights from a global network of developers to help engineers identify and address logical fallacies in their systems. The repository distinguishes itself through a hierarchical taxonomy that organizes complex technical pitfalls into categorized schemas. By documenting these real-world complexities, it assists developers in refining data validation strategies and designing more resilien

TiddlyWiki5 is a modular wiki engine and non-linear knowledge base that organizes information into small, linked chunks. It can function as a single-file personal wiki where all content and application logic are stored within one HTML file for local-first use, or as a self-hosted wiki server that serves content over HTTP. The project is distinguished by a data-driven architecture where plugins and extensions are treated as stored data entries. It features a filter-based query engine for manipulating structured data and a transclusion system that allows the live content of one entry to be embe

TaskWeaver is an LLM agent framework that interprets natural language requests and executes them as Python code, SQL queries, or shell commands. It functions as a conversational code interpreter that maintains stateful data structures across turns, generating executable code from user prompts within a session-based environment. The system is designed as a self-hosted AI agent platform that can be deployed in Docker, managing sessions and providing a web UI for data analytics and automation tasks. The framework distinguishes itself through a role-based multi-agent architecture that divides the

Jellyfin Web is the browser-based frontend for the Jellyfin media server, providing the user interface for browsing, playing, and administering a self-hosted media collection. It functions as a cross-platform media client that works across desktop and mobile browsers, offering a dashboard for server configuration, user management, and plugin administration. The web client serves as the primary interface for organizing and streaming personal media libraries, including movies, TV shows, music, and photos. The web interface supports a range of media management capabilities, including library org

This project is a lightweight Node.js web server and command-line tool designed for hosting static assets and delivering local files over HTTP. It functions as a static site host that provides a minimal environment for serving HTML, CSS, and JavaScript files to web browsers. The server includes built-in support for TLS encryption to enable secure HTTPS access and allows for the configuration of cross-origin resource sharing headers. It also features basic authentication to restrict folder access via username and password verification. The system manages content delivery through browser cache

This project is a reverse proxy server that secures internal web services by enforcing authentication against external identity providers. It acts as a gatekeeper for incoming HTTP traffic, validating user identity before forwarding requests to protected backend applications. By integrating with OAuth2 and OIDC providers, the proxy ensures that only authorized users can access internal resources. The proxy distinguishes itself through its flexible session management and granular access control. It maintains authenticated user state across requests using either encrypted client-side cookies or

AzurLaneAutoScript is a mobile game automation system designed to perform repetitive gameplay tasks unattended. It functions as a screenshot-driven bot that controls Android devices, emulators, and cloud phones via ADB and uiautomator2, using computer vision to make interaction decisions instead of fixed timers. The project distinguishes itself through an advanced computer vision suite that includes local optical character recognition and perspective-aware grid detection. These tools allow the bot to parse 3D game maps, compute vanishing points, and normalize grid-centered objects for precise

BabyBuddy is a self-hosted infant care tracking application designed for logging feedings, diaper changes, and growth metrics to monitor child development. It functions as a private data store for sensitive health and activity records, providing a containerized environment for managing childcare data across different hardware architectures. The system integrates with home automation hubs and provides a RESTful API to enable programmatic recording and querying of care data. It supports collaborative caregiver management, allowing multiple family members or professional caregivers to share acce

Baserow is a self-hosted, no-code relational database platform built on PostgreSQL. It provides a spreadsheet-like interface for structuring and managing data without writing code, while exposing all database resources via a REST API to support headless architectures. The platform distinguishes itself by integrating large language models and embedding servers to power AI assistants and automated data generation. It further extends its utility as a no-code application builder, allowing users to create custom internal portals, dashboards, and business tools using visual logic and managed data.

Lets-chat is a self-hosted team communication platform and XMPP chat server designed for private messaging. It provides a containerized communication environment for small teams to exchange messages and files, featuring a programmable REST API for automating conversations and managing messages from external tools. The platform functions as an XMPP gateway and server, ensuring interoperability with other compliant messaging clients. It distinguishes itself by supporting enterprise identity management, allowing administrators to verify user identities through local accounts or external director

Serve is a Node.js static file server that delivers assets and single-page applications from a local directory over HTTP. It functions as both a command-line web server for hosting directories directly from the terminal and as HTTP middleware for integrating static asset delivery into existing servers. The project includes a directory browser interface that provides a web-based file explorer for navigating and accessing files within a served folder. It supports single-page application fallback by redirecting unmatched request paths to a root file to enable client-side routing. The server han

Reveal-md is a command-line tool that transforms Markdown files into interactive, web-based slide decks using the reveal.js framework. It functions as a comprehensive presentation generator, providing an integrated environment for authoring, previewing, and distributing structured slide content. The tool distinguishes itself through a robust development workflow that includes a local server with live reloading, allowing for real-time visual feedback as source files are modified. It supports advanced content customization through metadata-driven configuration, enabling users to define slide hi

NodeBB is a real-time, self-hosted community forum platform built on Node.js. It is designed to support scalable discussion environments by utilizing a document-oriented database for content storage and an in-memory engine for high-speed data retrieval and session management. The platform provides a comprehensive administrative interface for managing user groups, forum settings, and system health. What distinguishes the platform is its native support for federated social networking via the ActivityPub protocol, allowing forums to exchange content, synchronize discussions, and interact with de

Up is a deployment tool that transforms any HTTP server into an AWS Lambda function behind API Gateway with a single command, eliminating server management entirely. It provides a unified platform for building and deploying serverless APIs that scale automatically and charge only for actual usage, while supporting Node.js, Go, Python, Java, Crystal, and Clojure runtimes without per-language configuration. The tool automates the generation and management of all required AWS resources—including Lambda, API Gateway, CloudFront, and S3—from a declarative configuration, and can replicate the entir

Moleculer is a Node.js microservices framework designed for building distributed systems. It functions as a distributed service broker, task orchestrator, and service mesh framework, enabling a decentralized architecture with built-in service discovery and load balancing. The project differentiates itself through a pluggable transport layer supporting protocols such as NATS, Redis, TCP, and Kafka, as well as a dedicated microservices API gateway that maps external HTTP and WebSocket requests to internal service actions. It includes built-in fault tolerance mechanisms, including circuit breake

Postal is an open-source mail delivery platform designed for self-hosted sending and receiving of email using standard mail transfer protocols. It serves as a comprehensive email infrastructure that provides full delivery tracking and management of outgoing mail streams. The system includes an SMTP server manager with a web administration interface for configuring server settings and monitoring delivery status. It distinguishes its outbound traffic management through priority-based IP rotation and assignment to help maintain sender reputation. The platform covers incoming email processing an

This project is a curated guide for engineers preparing for front end engineering roles. It serves as a technical interview handbook and study resource, providing a collection of questions and answers focused on web technology and interview strategy. The resource covers front end system design and architectural patterns for scalable user interfaces. It also includes analysis of company-specific interview formats and patterns to assist in creating tailored study plans. The materials provide a review of web technology, including browser internals, web standards, and core scripting languages. T

tdl is a command-line tool for Telegram account automation, media management, and data archiving. It provides a programmatic interface for downloading and uploading files, forwarding messages, and exporting chat history, member lists, and media into structured JSON files. The project distinguishes itself through a session management system that isolates multiple account identities using unique namespaces. It features expression-based routing for messages and uploads, allowing users to direct content to specific destination chats using custom logic and dynamic caption generation. The tool cov

This project is a Chinese translation of a technical guide that traces the journey of an HTTP request from the browser to the server. It serves as a tutorial on browser internals and rendering, providing a detailed walkthrough of how web browsers process network responses to render a final page. The documentation covers web networking, including the interaction between DNS, TCP, TLS, and browser rendering processes. It focuses on the network request lifecycle and browser mechanisms to provide an educational resource for understanding frontend performance optimization and web architecture. Th

This project is a community-maintained directory that serves as a comprehensive index of software tools, frameworks, and educational materials. It functions as an open-source knowledge base, organizing diverse engineering domains and technical resources into a structured taxonomy to assist developers in discovering high-quality content. The directory distinguishes itself through a decentralized peer-review model, where independent contributors curate, verify, and update entries to ensure accuracy and relevance. All information is stored in a version-controlled, flat-file markdown format, whic

Plotters is a data visualization library for the Rust programming language used to create 2D and 3D charts, plots, and mathematical visualizations. It functions as a multi-backend rendering engine and coordinate mapping framework that translates raw data values into pixel coordinates through customizable chart contexts. The library distinguishes itself through its ability to export graphics to multiple formats, including SVG, BitMap, and HTML5 canvas. It provides specific capabilities for 3D graphics plotting, featuring adjustable camera viewpoints and projection matrices to manage spatial da