Open-source alternatives to React Ga

Countly is a self-hosted product analytics and engagement platform that tracks user behavior across mobile, web, and desktop applications. It collects and analyzes device properties, user actions, and session lifecycle data to understand engagement patterns, while also providing crash reporting, push notification delivery, and A/B testing capabilities. The platform is designed for privacy-first deployment, with built-in consent management and the ability to run entirely on private infrastructure. The platform distinguishes itself through its comprehensive feature set that combines analytics w

Lilishop is a multi-vendor B2B2C e-commerce platform designed as a marketplace where third-party merchants can manage independent storefronts within a unified ecosystem. It is built on a Spring Cloud microservices architecture and a Spring Boot backend, utilizing Vue and Uniapp to deliver responsive user interfaces across web, mobile, and mini-program platforms. The platform differentiates itself through integrated marketing automation tools, including group buying, bargain campaigns, and a commission-based affiliate distribution network. It also features a comprehensive financial settlement

React is a JavaScript library for building user interfaces through the composition of modular, self-contained components. It employs a declarative programming model where developers describe the desired visual state, and the library automatically manages the underlying document updates and state synchronization. By utilizing a virtual representation of the document, it calculates and applies minimal changes to the browser, ensuring efficient rendering even in complex applications. The library distinguishes itself through a sophisticated scheduling system that manages rendering work in increme

Moe-Counter is a self-hosted page view tracker that renders visitor counts as dynamically generated SVG badges with anime-themed styling. It operates as a lightweight Node.js HTTP service that associates each unique counter name in a URL with a stored page view count, providing a customizable alternative to third-party analytics services. The service is designed for flexible deployment, running either directly from source with pnpm dependency management or as a pre-built Docker image from GitHub Container Registry. Runtime configuration is handled entirely through environment variables set in

bilibili-api is a Bilibili API wrapper and content scraper designed for programmatically accessing video metadata, user profiles, and content data. It functions as an anti-bot crawler framework and a WebSocket live chat client for retrieving platform information and real-time interaction data. The project incorporates tools to bypass anti-crawling measures and rate limits through the use of proxies and TLS fingerprint spoofing. It also includes logic for mapping and converting various video and content identifiers to ensure consistent data retrieval across different endpoints. Its capability

Cube is a semantic data layer that provides a unified framework for defining business metrics, dimensions, and relationships across diverse data sources. By acting as a headless business intelligence engine, it transforms raw data into a governed model that can be queried via SQL, REST, and GraphQL interfaces. This architecture ensures consistent data definitions and logic across all downstream analytical applications and reporting tools. The platform distinguishes itself through its integrated conversational AI capabilities, which allow users to explore data using natural language. It orches

dbt-core is a command-line framework for transforming data within a warehouse using modular SQL and version control. It functions as a data transformation engine that enables users to define data structures and business logic through declarative configuration files, which the system then compiles into executable code. By managing complex data dependencies through a directed acyclic graph, it ensures that transformation tasks execute in the correct order while maintaining a manifest-driven state to track lineage and execution history. The project distinguishes itself through an adapter-based d

TinyPNG4Mac is a native macOS image compression client and desktop optimizer. It serves as a wrapper for the TinyPNG API, allowing for the reduction of image file sizes and format conversion without the use of a web browser. The utility integrates directly into the macOS environment, providing workflow automation through the Finder and system right-click context menus. It also supports drag-and-drop file handling to initiate the compression process. The application manages image processing by communicating with a remote service via a REST API, utilizing asynchronous request queues to handle

This project is a Model Context Protocol server that connects large language models to the Xiaohongshu social media platform. It acts as a connector and API wrapper, enabling language models to programmatically search, read, and publish media and text. The system provides automation for content discovery and publishing, allowing for the creation of image and video posts with associated titles and descriptions. It also facilitates social engagement by managing the posting of comments and tracking engagement metrics for specific entries. The tool covers data retrieval for user profiles, post d

Goatcounter is a self-hosted web analytics platform that collects visitor statistics without cookies, personal data, or persistent identifiers. It uses privacy-preserving techniques like anonymous session hashing to count page views and visits, and can be deployed on your own infrastructure using a binary or Docker container with SQLite or PostgreSQL storage. The platform offers multiple data collection methods, including a lightweight JavaScript snippet, an image-based tracking pixel for environments where scripts are blocked, and server log file parsing from nginx, Apache, Caddy, or CloudFr

This project is a web performance monitoring library designed to collect, calculate, and attribute user experience metrics. It functions as a real user monitoring tool that tracks core loading and interactivity metrics from actual browser sessions to quantify website health and identify speed bottlenecks. The library includes a performance attribution engine that collects diagnostic data to pinpoint the root causes of page lag. This allows for the identification of specific performance bottlenecks alongside the measurement of core web vitals. The system provides comprehensive data export cap

This project is a command line AI client and API wrapper designed to facilitate interaction with a large language model. It functions as a terminal interface for sending multi-line prompts and receiving generated text, providing a means of conversational AI integration through a programmable interface. The system utilizes a reverse-engineered API interface and HTTP-based request simulation to communicate with the model. It includes an AI plugin manager that allows for the installation and management of external extensions to increase the functional capabilities of the language model. The imp

Pixiv-Shaft is a mobile application for browsing, searching, and downloading artwork and novels from Pixiv. It wraps Pixiv's internal API endpoints with authentication, rate limiting, and response parsing, and manages concurrent downloads with pause, resume, retry, and batch processing capabilities using a priority-based queue. The application also includes a dedicated novel reader that renders Pixiv novels with chapter navigation, bookmarking, and R18 content handling. The application distinguishes itself through multi-account session management, allowing users to manage multiple Pixiv login

Goatcounter is a privacy-focused web analytics platform designed to be self-hosted on your own infrastructure. It collects visitor statistics like page views, browser information, location, screen size, and referring sites without using cookies or storing any personal data, identifying unique visits through a non-identifiable hash derived from browser and network data. The platform distinguishes itself by offering multiple tracking methods that respect user privacy, including a lightweight JavaScript snippet, an image-based tracking pixel for environments without JavaScript, and the ability t

gmaps is a library that provides a wrapper for the Google Maps API, serving as a geospatial data toolkit and interactive map renderer. It simplifies the integration of interactive maps into web applications by managing the embedding of map views and the lifecycle of markers. The project distinguishes itself through a specialized set of utilities for geocoding, which converts physical addresses to geographic coordinates and vice versa. It also includes a static map generator for creating non-interactive map images for lightweight environments. The capability surface covers geographic data vis

GodotSteam is a game engine plugin and API wrapper that integrates the Steamworks SDK into the Godot engine. It serves as a bridge between the engine's scripting layer and platform services, allowing applications to access social features and platform-specific connectivity. The project utilizes a C++ wrapper and a C-compatible foreign function interface to bind the Steamworks SDK. It includes a session manager that handles application ID initialization and enforces that the application is launched through the Steam client to validate ownership and session integrity. The integration covers se

This project is a business intelligence suite and SQL data visualization platform used for data analysis, reporting, and monitoring. It provides a web application for exploring datasets and building interactive dashboards, complemented by a web-based SQL query editor for analyzing raw data from connected stores. The platform features a semantic data layer to define standardized metrics and dimensions, ensuring consistent data interpretation across reports. It includes a security framework with role-based access control to manage user permissions and authentication across shared dashboards. T

rrweb is a DOM session recording library and serialization framework used to record and replay web sessions. It converts the state of a web page into a serializable JSON data structure and tracks mutations to reconstruct user interactions within a replay engine. The system distinguishes itself by using a sandboxed iframe for reconstruction to isolate replayed content, preventing script execution and form submissions. It ensures visual consistency through CSS inline-style flattening and provides sensitive data masking to prevent private information from being captured. The project covers a br

Fast-F1 is a Python data library and telemetry analyzer designed for Formula 1. It serves as a programmatic API wrapper to retrieve and process timing data, session results, and high-frequency vehicle sensor metrics. The project provides specialized tools for motorsport performance benchmarking and visualization. It enables the comparison of vehicle telemetry, such as speed traces and gear shifts, and generates spatial track maps with speed and corner overlays. The library covers a broad range of data retrieval and analysis capabilities, including the extraction of racing schedules, champion

This project is a Go client library and API wrapper for interacting with Elasticsearch clusters. It serves as a programmatic interface for managing documents, indices, and cluster health, allowing Go applications to perform search and indexing operations via the REST API. The library functions as a distributed search orchestrator, providing specialized tools for high-throughput data ingestion and cluster administration. It features a buffered bulk processor with exponential backoff retries for optimizing write performance and supports automated index lifecycle transitions and historical data

Autotrack is a JavaScript library for Google Analytics that automatically captures user interactions and page engagement. It provides a system for declarative analytics implementation, allowing web events to be tracked via HTML attributes to avoid writing custom JavaScript for every interaction. The project includes an analytics bundle generator to create minimized JavaScript files containing only the specific tracking plugins required for a project. It also functions as a single page application tracker that monitors changes to the browser history to record virtual pageviews. The library co

Twikit is a Python library and API wrapper designed for interacting with X (Twitter). It simulates browser requests and mimics private network traffic to enable programmatic access to the platform without requiring an official API key. The project focuses on social media automation and data extraction, featuring tools for scraping user profiles, trending topics, and chronological tweet histories. It includes a session manager that handles user authentication, two-factor authentication, and cookie persistence to maintain active account access. The library's capabilities cover a broad range of

BaiduPCS-Go is a Go library and cloud storage client that provides a programmable interface for interacting with Baidu Cloud Storage. It functions as an API wrapper and remote file manager, allowing users to manage files, folders, and accounts without using a web browser. The project includes specialized utilities for extracting direct download URLs to bypass web downloaders and managing multiple cloud identities through session tokens and cookies. It also enables remote file transfers, allowing content from shared links to be moved directly into a cloud account. The system covers a broad ra

webfunny_monitor is an open-source frontend monitoring and analytics platform that tracks page load performance, JavaScript errors, and user behavior. It serves as a comprehensive tool for measuring page load speed, API response times, client-side errors, and custom user events, with real-time dashboards that stream aggregated metrics via WebSocket for sub-second updates. The project distinguishes itself through its architectural approach: events are collected asynchronously via lightweight HTTP beacons and batched before transmission, while a memory-bounded local storage buffer ensures relia

EasyWeChat is a PHP software development kit and API wrapper designed to integrate WeChat services into PHP applications. It functions as a social platform integration kit that provides a unified interface for communicating with external service APIs. The library provides specialized tools for managing WeChat Official Accounts, implementing WeChat Payment processing, and developing the backend logic for WeChat Mini Programs. The SDK utilizes a service-layered architecture to separate high-level business logic from low-level HTTP communication. This includes a middleware-driven request pipeli

AngularFire is a set of tools for connecting applications to Firebase services. It provides a library of client-side interfaces for managing authentication, object storage, NoSQL databases, and serverless functions. The project utilizes observables and dependency injection to integrate cloud services into the application hierarchy. It features a reactive interface for streaming real-time data, managing document-based databases, and tracking authentication state as a continuous stream of tokens. The platform covers a broad range of cloud capabilities, including identity verification, binary f