Open-source alternatives to Amphp Amp

Janet is a Lisp-based dynamic programming language featuring a register-based bytecode virtual machine and an embeddable scripting engine. It functions as a fiber-based concurrency runtime and includes a parsing engine based on Parsing Expression Grammars. The project is distinguished by its ability to be integrated into C or C++ applications via a minimal header interface. It utilizes a Lisp-style macro system for compile-time code transformation and employs prototype-based table inheritance for object-oriented behavior. The runtime covers a broad set of capabilities, including asynchronous

Gevent is a Python coroutine concurrency library and asynchronous task manager designed for high-concurrency I/O tasks. It provides a cooperative networking framework for building asynchronous TCP, UDP, and HTTP servers, as well as a WSGI web server implementation for hosting web applications. The project is distinguished by its standard library monkey-patching tool, which replaces blocking synchronous functions with cooperative versions to enable asynchronous behavior in third-party code. This allows for a cooperative multitasking workflow where the system yields execution during I/O waits t

Hyperf is a high-performance PHP coroutine framework designed for building microservices and middleware. It utilizes non-blocking coroutines to handle high concurrency and low-latency request processing, providing a foundation for scalable distributed systems. The framework is distinguished by an aspect-oriented programming based dependency injector that enables pluggable components and meta-programming. It includes a coroutine-optimized object-relational mapper with integrated model caching and an orchestration toolkit for microservice governance, featuring service discovery, circuit breaker

pysheeet is a technical reference library providing a curated collection of code snippets and implementation patterns for advanced Python development, system integration, and high-performance computing. It serves as a comprehensive guide for implementing low-level network programming, native C extensions, and asynchronous and concurrent programming. The project provides specialized frameworks for the development and deployment of large language models, including tools for distributed GPU inference and high-performance serving. It also includes detailed patterns for high-performance computing

This project is a PHP implementation of the Promises/A+ specification, providing a library for managing asynchronous operations and deferred values. It serves as an asynchronous task coordinator that allows for the creation of non-blocking code through a promise-based pattern. The library enables the simulation of asynchronous coroutines, allowing non-blocking code to be written in a linear style. It features duck-typed interoperability, which allows it to integrate with any foreign object that implements a then method regardless of class inheritance. The project covers broader capabilities

Asio is a C++ library for performing network and low-level I/O operations using a consistent asynchronous model that avoids blocking program execution. It provides a portable, cross-platform interface for network socket communication across different operating systems, and manages multiple asynchronous operations without requiring explicit thread management or locking. The library implements a proactor-based asynchronous model where operations post completion handlers to a queue for later execution, and wraps operating system I/O multiplexing mechanisms like epoll, kqueue, IOCP, and select in

Bolts-ObjC is an Objective-C mobile development library providing tools for coordinating asynchronous operations and routing deep links within native applications. It functions as a framework for managing background tasks and resolving navigation metadata to direct users to specific content. The library includes a deep link routing engine and an app link navigator that resolve handler compatibility to launch native experiences or trigger web browser fallbacks. It also features a mobile analytics link logger to track user movement through deep links for integration with external analytics plat

This project is a collection of practical scripts and reference guides that demonstrate advanced Python language features and idioms. It provides code implementations for mastering concepts such as concurrency, metaprogramming, and data structure design. The repository includes examples of the Python object model, covering custom attribute access, descriptor protocols, and special method overrides. It also features implementations of design patterns that utilize first-class functions and decorators to reduce object-oriented boilerplate. The codebase covers a broad range of capabilities, incl

Luvit is an event-driven runtime for Lua that integrates libuv to provide non-blocking I/O and asynchronous system operations. It functions as an asynchronous network framework and execution environment that leverages Just-In-Time compilation for high-performance script processing. The platform enables the distribution of network traffic across multiple CPU cores through a TCP cluster manager that shares socket handles among child processes. It provides specialized capabilities for building HTTP servers by decoding incoming request streams and encoding responses via a stream processor. The r

Bolts-Android is a mobile development library for Android that provides a framework for deep-linking and a system for managing asynchronous tasks. It functions as a toolkit for parsing inbound intents, resolving URL metadata, and routing users to specific native content within an application. The library includes a task manager for coordinating parallel background operations and handling thread-safe execution. This system uses chainable tasks, cancellation tokens to stop active processes, and routing to ensure results return to the main user interface thread. The framework also covers deep-l

GraphQL-Ruby is a Ruby library for building GraphQL APIs with a strongly typed schema and a dedicated query execution engine. It provides a comprehensive framework for mapping application objects to a formal type system, enabling structured data fetching through defined resolvers. The project distinguishes itself with advanced performance and delivery mechanisms, including a data loader for batching and caching to prevent N+1 query patterns. It supports high-performance data delivery through incremental response streaming, deferred query responses, and parallel data fetching using fibers. Add

Failsafe is a JVM fault tolerance library and resilience pattern framework. It provides a toolkit for implementing circuit breakers, rate limiters, and other stability patterns within Java Virtual Machine applications to prevent cascading failures in distributed systems. The project is distinguished by its policy-based execution pipeline, which allows for the composition of multiple resilience patterns into a sequential flow. It features a state-machine circuit breaker to manage service recovery and a leaky-bucket rate limiter to control operation frequency. The library covers a broad range

gnet is a high-performance event-driven networking framework for Go, designed for building scalable TCP, UDP, and Unix socket servers. It functions as a non-blocking socket manager and multi-reactor network engine that handles thousands of simultaneous connections with low memory overhead. The framework distinguishes itself by using a multi-reactor architecture that distributes I/O across multiple event loops pinned to operating system threads to minimize context switching. It employs edge-triggered polling to reduce system call frequency and utilizes elastic ring-buffers to minimize allocati

Workerman is an event-driven asynchronous socket framework for PHP. It provides the core components necessary to build high-concurrency network servers, including an asynchronous TCP framework, a coroutine library for task management, and dedicated implementations for HTTP and WebSocket servers. The project enables the development of specialized network services using custom frame-based communication protocols. It supports both inbound concurrent server implementation and asynchronous outbound connectivity to remote services. The framework covers a broad range of network programming capabili

ReactPHP is an asynchronous runtime and event-driven I/O framework for PHP. It provides an environment for executing concurrent tasks through a central event loop implementation and reactor pattern, allowing applications to handle multiple operations without pausing the main execution thread. The project includes a specialized asynchronous socket library for TCP, UDP, and TLS communication, alongside a non-blocking HTTP server and client for streaming web requests and responses. Its capability surface covers asynchronous control flow via promises and fibers, non-blocking network connectivity

Concurrent Ruby is a comprehensive concurrency toolkit for the Ruby language that provides thread-safe data structures, synchronization primitives, and asynchronous execution patterns. It implements core concurrency abstractions including an actor model framework where isolated actors communicate through asynchronous message passing, a future and promise system for composing non-blocking operations, and thread pool executors that manage reusable worker threads for concurrent task execution. The library distinguishes itself through a broad set of coordination mechanisms that go beyond basic th

This project is a comprehensive collection of Python programming education materials, including tutorials, exercises, and curated code samples. It serves as a learning curriculum and software engineering toolkit, utilizing Jupyter Notebooks to combine executable code with descriptive educational text. The repository provides practical implementation guides for building large language model applications, such as retrieval-augmented generation systems, stateful AI agents, and machine learning workflows. It distinguishes itself by offering a structured approach to agentic coding workflows, cover

Delayed Job is a Ruby library that provides a database-backed system for asynchronous task processing. It enables the offloading of long-running or time-consuming operations to background workers by serializing method calls and their arguments into a relational database, ensuring that tasks persist across application restarts. The system functions as a distributed priority task scheduler, where independent worker processes continuously poll the database for pending jobs. By integrating task creation directly into application database transactions, it guarantees that jobs are only queued when

Zappa is a serverless Python framework and command-line tool used for packaging and deploying Python web applications to AWS Lambda. It functions as a serverless infrastructure automator that provisions API Gateways, IAM roles, and SSL certificates to run ASGI and WSGI applications as serverless functions. The tool distinguishes itself by providing a management CLI for executing remote administration scripts and management commands directly within the deployed environment. It includes specific mechanisms for serverless performance tuning, such as scheduling regular warm-up invocations to prev

Wren is an embeddable, class-based scripting language and bytecode interpreter. It provides a dependency-free virtual machine designed for integrating dynamic script execution into host applications via a C API. The language is centered on a modern object-oriented model featuring inheritance, method overloading, and first-class functions. It utilizes a concurrent fiber runtime to manage lightweight, cooperatively scheduled execution paths without relying on operating system threads. The project includes a comprehensive suite of object-oriented primitives, closure-based state capture, and a m

ZIO is a functional effect system for the JVM that models asynchronous and concurrent programs as pure, composable values with typed error handling and dependency injection. Its core identity is built on fiber-based concurrency, where lightweight, non-blocking fibers execute millions of concurrent tasks with structured lifecycle management, and a dual-channel error model that separates expected business failures from unexpected system defects at compile time. The system provides effect-typed dependency injection through a layer-based dependency graph, pull-based reactive stream processing with

Tunny is a worker pool library and concurrency manager for Go. It functions as a concurrent task scheduler that limits the number of parallel workers processing jobs to prevent system resource exhaustion. The project enables the maintenance of persistent state within individual worker routines to avoid repeated initialization costs. It also supports dynamic worker scaling, allowing the number of active background workers to be adjusted in real time without interrupting tasks in progress. The library provides mechanisms for task timeout enforcement and worker lifecycle management, including t

MadelineProto is an asynchronous PHP library that provides a programmatic interface for interacting with the Telegram API using the MTProto protocol, the same protocol used by official Telegram clients. It functions as both a Telegram bot SDK and a userbot automation library, enabling PHP applications to connect to Telegram as either a bot account or a regular user account, sending and receiving messages, media, and other data directly without relying on the Bot API intermediary. The library is built on an event-driven architecture with Amp v3 fiber-based concurrency, allowing for non-blockin

Async is a JavaScript asynchronous flow library designed to manage the execution and coordination of asynchronous tasks in Node.js and the browser. It provides functional utilities to wrap, process, and orchestrate complex asynchronous workflows. The library distinguishes itself through a comprehensive task orchestrator that handles dependency graphs to resolve circular references and manages concurrent task queues. It includes a unification bridge that allows callback-style and promise-based functions to operate within the same execution interface. The project covers several primary capabil

Tide is an asynchronous web server framework and HTTP toolkit for the Rust programming language. It provides a system for building high-concurrency network applications and REST APIs using non-blocking I/O and asynchronous runtimes. The framework is centered around a middleware-based request pipeline, allowing developers to intercept and process HTTP requests and responses through pluggable logic layers. It supports a hierarchical route tree to organize endpoints into nested groups that share common path prefixes and scoped middleware. Capability areas include real-time communication via Web

Gravity is an embeddable, bytecode-compiled programming language designed to provide programmable logic within host applications. It is a garbage-collected language that utilizes a mark-and-sweep system to automate memory management and prevent leaks. The language is characterized by a concurrent fiber-based execution model, allowing multiple non-blocking tasks to run simultaneously. It also functions as a JSON-native language, featuring built-in serialization tools to convert complex data structures to and from JSON format. The project includes a virtual machine and a compiler that transfor

The Cloudflare Workers Rust SDK is a toolchain and framework for building high-performance serverless functions using Rust. It compiles code into WebAssembly modules that execute within a sandboxed host environment at the edge. The project provides a typed remote procedure call system for invoking functions across different worker instances and utilizes procedural macros for mapping these distributed interfaces. It uses trait-based bindings and standardized wrappers to provide type-safe access to platform services and web-standard request and response objects. The SDK covers a broad range of