Open-source alternatives to Node Apn

This project is a PHP compatibility library that provides a polyfill for the native ctype extension. It serves as a portability layer, implementing missing core language functions to ensure consistent behavior across different server environments and PHP versions. The library specializes in character type validation, recreating the behavior of native extension functions using pure PHP code. It uses runtime environment detection to identify if the native extension is missing and injects fallback implementations directly into the global namespace to prevent collisions and maintain code portabil

iOS9AdaptationTips is a collection of technical strategies and guides for adapting mobile applications to the iOS 9 operating system. It serves as a development resource for implementing system integration, UI layout adaptations, and push notification configurations. The project provides specific guidance on flexible interface implementation, including support for split-screen modes, dynamic text scaling, and status bar configurations. It also covers the use of secure certificates and heartbeat signals to maintain persistent connection stability for push notifications. The material covers br

PushSharp is a server-side library that sends push notifications to iOS, Android, Windows, and other device platforms through their respective cloud messaging services. It provides a unified interface for delivering notifications across Apple Push Notification Service, Firebase Cloud Messaging, Amazon Device Messaging, Blackberry Push Service, Firefox OS Push Service, and Windows Push Notification Service. The library handles the complexities of push notification delivery through an asynchronous message queue that processes, batches, and retries notifications while respecting each platform's

Requests is a Python HTTP client library used for sending HTTP requests and handling responses. It serves as a network client providing fundamental components for session management, proxy routing, multi-part uploading, and SSL/TLS certificate verification. The project distinguishes itself through a session manager that maintains cookies and reuses TCP connections to improve network performance. It also includes a dedicated multi-part form uploader for transmitting binary data and an integrated SSL/TLS certificate verifier to ensure encrypted and trusted communication. The library covers a b

libhv is a high-performance C/C++ network library and event-driven I/O framework used to build TCP, UDP, SSL, HTTP, WebSocket, and MQTT clients and servers. It provides a non-blocking event loop for managing network sockets, timers, and system signals across multiple threads. The project is distinguished by its integrated support for specialized network roles, including a full HTTP web server with RESTful routing and middleware, an MQTT messaging client for IoT communication, and the ability to implement SOCKS5 and HTTP proxies. It also features a reliable UDP implementation to ensure ordered

This project is a web-based management interface designed for the administration, monitoring, and configuration of Nginx server instances. It functions as a centralized platform for managing reverse proxy settings, traffic routing, and server lifecycles, providing a visual dashboard to replace manual configuration file editing. The platform distinguishes itself through integrated infrastructure automation and observability tools. It supports distributed environments by synchronizing configuration states across multiple nodes and containerized services, while offering artificial intelligence a

Miru is a multimedia content aggregator and proxy-enabled media player that provides a unified interface for streaming videos, reading comics, and browsing novels from multiple external sources. It functions as a JavaScript extension platform, allowing users to add new media sources and application features by integrating custom scripts and provider logic. The application integrates with external media tracking services to synchronize viewing progress and maintain media libraries. It also fetches detailed movie and show information from external databases to enrich content displays with metad

urllib3 is a Python HTTP client library used to send network requests and receive responses. It provides core components for managing HTTP connection pools, routing traffic through proxies, validating TLS certificates, and executing automatic request retries. The library focuses on network reliability and efficiency by maintaining a system that reuses established connections to multiple hosts to reduce latency. It ensures secure communication through client-side certificate verification and handles transient network errors using policy-based retry logic. The project covers broad networking c

This project is a Git credential helper that automates the storage and retrieval of authentication secrets for remote repository operations. It functions as an OAuth token manager and an operating system vault storage interface to ensure authentication secrets are encrypted at rest. The tool acts as a cross-platform authentication broker, enabling the sharing of secure credentials between a host operating system and a Linux subsystem. It also serves as an enterprise proxy gateway, routing authentication traffic through corporate proxy servers to reach restricted repository endpoints. The sys

node-crawler is a programmable web crawler for Node.js that manages request queues and automates data extraction. It functions as a rate-limited HTTP client and a headless HTML parser, providing the infrastructure to visit large sets of URLs asynchronously while preventing duplicate processing through task deduplication. The project distinguishes itself through a proxy rotation manager that cycles user agents and proxy servers to bypass access restrictions. It utilizes the HTTP/2 protocol to improve request performance and server compatibility during large-scale scraping operations. The syst

Letta is a framework for building, deploying, and managing autonomous AI agents that maintain persistent state across long-term interactions. It provides a comprehensive suite of primitives for defining agents with configurable personas, modular memory blocks, and tool-use capabilities, enabling them to retain user preferences and conversation history over extended sessions. The platform distinguishes itself through its advanced memory management and orchestration capabilities. It allows agents to autonomously update their own memory, perform retrieval-augmented generation, and coordinate com

Flux is a Kubernetes GitOps delivery tool used to automate application deployments by synchronizing cluster state with configurations stored in Git, OCI, or Helm repositories. It functions as a set of controllers that monitor desired state in external sources and continuously reconcile the live cluster to match those definitions. The system distinguishes itself through a multi-cluster management plane that coordinates application delivery across fleets of remote clusters from a central hub. It provides a dedicated mechanism for automated image updates, which scans container registries for new

Bark is a self-hosted push notification system for iOS devices that bridges HTTP requests to Apple's Push Notification service. It provides a complete pipeline for sending custom alerts from scripts, cron jobs, or CI pipelines directly to an iPhone, with the server component designed for Docker-based deployment on personal infrastructure. The system distinguishes itself through automated notification handling capabilities. When a push arrives, Bark can automatically copy the notification body or a custom value to the iOS clipboard, open a specified URL when the user taps the notification, and

SpringBoot-Shiro-Vue is a permission management framework and role-based access control system. It provides a backend implemented with Spring Boot and a frontend built with Vue.js to manage user roles and map them to specific interface and API access rights. The project utilizes a token-based authentication system to verify user identities and enable stateless communication between the frontend and backend. It implements granular UI permission control to show or hide specific buttons and interface elements based on the current user's assigned access rights. The framework covers API security

Satellizer is an authentication library for AngularJS applications designed to manage user sign-in and session persistence using security tokens. It functions as a client-side implementation for exchanging credentials for tokens and attaching authorization headers to network requests. The library handles identity integration through a token manager that supports both email-based authentication and external OAuth providers. It enables the authorization of users via third-party services using secure popup windows and allows for linking or unlinking external accounts to a user profile. The proj

nghttp2 is a suite of low-level C libraries and tools designed for implementing the HTTP/2 protocol. It provides a memory-efficient implementation of the protocol's core logic, including framing, stream multiplexing, and flow control. The project includes a dedicated library for HPACK header compression and decompression to reduce network bandwidth. It also provides a toolset for analyzing network traffic and benchmarking server performance, including throughput and latency measurements. Its broader capabilities cover protocol implementation and traffic management, including ALPN connection

fast_jsonapi is a Ruby object serializer designed to transform complex backend data objects into structured JSON representations. It specifically implements the JSON:API format to ensure consistent data exchange between servers and clients. The library functions as a compound document generator, allowing related resources to be embedded within a single response to minimize network requests. It uses a class-based schema definition to decouple internal database models from the public API representation. The project includes a command-line tool for generating serializer boilerplate by scanning

udemy-downloader-gui is a desktop application designed for archiving Udemy course videos and materials to a local drive. Its primary purpose is to enable offline learning and the creation of local content backups for purchased courses. The tool supports batch downloading of multiple courses and video lessons simultaneously. It manages the retrieval process by preserving the original folder and file structure of the course content and provides controls for selecting video quality and managing active transfers. Access to content is handled through user account authentication using security tok

s-ui is a web-based management interface for Xray VPN protocols. It provides a graphical user interface for configuring and monitoring network protocols, inbounds, and outbound routing rules. The project includes a VPN subscription manager for generating and distributing configuration links to clients, as well as an access controller to enforce data usage caps and account expiration dates. Administrative access is secured through token authentication and SSL encryption via custom certificates. The system provides observability tools for tracking real-time CPU, memory, and network traffic met

ssh3 is a secure shell implementation that uses HTTP/3 and the QUIC protocol as its transport layer to reduce handshake latency and improve connection stability. It provides a remote terminal environment where server identities are verified using standard HTTPS X.509 certificates instead of traditional host keys. The project integrates modern identity verification through OpenID Connect and OAuth 2.0, allowing user authentication via external identity providers. To prevent discovery by public scanners, it includes a server obfuscation feature that requires a secret URL path for client request

go-restful is a framework for building RESTful web services in Go. It functions as a toolkit for managing API endpoints, providing a request router that maps incoming HTTP requests to handler functions using path parameters and custom URL patterns. The framework includes a data conversion layer that transforms Go structures into JSON or XML formats for request and response bodies. It also provides a system for organizing related web services into containers to manage endpoint prefixing and shared configuration. The project covers request lifecycle management through middleware filters for va

Passwordless is a Node.js authentication library that enables secure user identity verification using one-time tokens instead of traditional passwords. It functions as a middleware-based identity provider, protecting application routes and resources by validating these tokens before granting access. The library distinguishes itself through a highly decoupled architecture that separates token generation, verification, and delivery. Developers can implement custom token delivery strategies to dispatch authentication codes via email, SMS, or voice services. Furthermore, the system supports both

This project is a comprehensive sample library and implementation guide for ASP.NET Core. It provides a collection of practical examples and projects that demonstrate how to build web applications, RESTful APIs, and high-performance services. The repository focuses on a variety of architectural patterns, including the development of Minimal APIs, contract-first gRPC services, and real-time communication using WebSockets and Server-Sent Events. It includes detailed implementations for user identity and security, such as token-based authentication and CSRF protection. The codebase covers a bro

Emissary is a Kubernetes API gateway that manages incoming external traffic and routes it to internal microservices. It utilizes an Envoy proxy as the underlying data plane to handle high-performance traffic routing and protocol translation, with a control plane that translates Kubernetes custom resources and annotations into proxy configurations. The project provides specialized support for gRPC infrastructure, including HTTP/2 routing and gRPC-Web protocol bridging for browser-based clients. It enables zero-trust security through mutual TLS encryption and delegates identity verification to

This project is a .NET implementation of the gRPC framework, providing a system for executing functions on remote servers as if they were local calls. It serves as a high-performance remote procedure call (RPC) framework that utilizes HTTP/2 for service connectivity and binary communication protocols to ensure efficient data exchange. The implementation includes a gRPC-Web proxy, which acts as a translation layer to enable browser-based applications to communicate with gRPC services through web-compatible requests. It further supports the creation of HTTP/2 service meshes to connect distribut

EverShop is a TypeScript-first, modular e-commerce platform built with GraphQL and React. It provides a full-featured online store system for managing products, orders, customers, and site content through a React-based administrative interface, with a GraphQL API layer that serves both the admin panel and storefront. The platform is designed around a module-based extension architecture, where core functionality is split into independent modules that can be added, removed, or overridden without modifying the core codebase. Storefront appearance and behavior are controlled through a theme syste

The Hugging Face Hub Python client is a library that provides programmatic access to the Hugging Face Hub, a centralized platform for hosting and collaborating on machine learning models, datasets, and demo applications. It serves as the primary SDK for interacting with the Hub's API, enabling users to download and upload models and datasets, manage repositories, authenticate via tokens or OAuth, and run inference on hosted models through a unified interface. The client distinguishes itself through a comprehensive set of capabilities that go beyond basic file transfer. It includes a CLI exten