Open-source alternatives to Zio

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

Wire is a compile-time dependency injection framework for Go that generates code to wire application components together. It analyzes function signatures at compile time to build an explicit initialization graph, removing the need for runtime reflection or manual wiring code. The framework operates as a Go code generator and static analysis tool, transforming annotated source code into generated wire files that compile alongside the original project. It connects dependencies by matching function parameters and return types, producing a directed acyclic graph of component dependencies that is

Redux-Saga is a middleware library for Redux applications that manages asynchronous data flows and complex side effects. It serves as a decoupled state management effect layer and workflow orchestrator, utilizing JavaScript generator functions to pause and resume asynchronous operations without blocking the application. The library distinguishes itself by using generators to manage sequential or parallel tasks and state transitions outside of the main user interface thread. This approach allows for the coordination of complex asynchronous workflows, such as multi-step data fetching and API ca

This is an open-source, crowd-sourced wiki textbook that teaches Linux system programming in C. It covers the core operating system concepts of process management through the fork-exec-wait model, dynamic memory allocation using implicit free list heap allocators, inode-based file systems, inter-process communication via pipes and shared memory, POSIX threads with synchronization primitives, signal-based asynchronous notification, virtual memory with page table translation, and runtime diagnostics using Valgrind and GDB. The textbook distinguishes itself by providing practical, implementation

collect.js is a dependency-free JavaScript library that provides a fluent, chainable interface for manipulating arrays and objects. It mirrors the Laravel Collection API, offering a consistent set of methods for data transformation across JavaScript and Laravel backend environments. The library stores collection data as plain arrays internally and supports fluent method chaining, where each method returns a new collection instance. The library distinguishes itself by closely replicating the Laravel Collection API in JavaScript, mapping each PHP method to an equivalent JavaScript implementatio

Clean Architecture template for Golang services

Guice is a Java dependency injection framework and component container. It automates object wiring by mapping interfaces to implementations via a central injector, removing the need for manual factory patterns and constructor calls. The framework provides specialized support for aspect-oriented programming, allowing for the interception and modification of method execution to implement shared cross-cutting concerns. It also functions as a persistence manager to coordinate transaction boundaries and manage the lifecycle of entity managers within a dependency-injected environment. Its core cap

Awilix is a JavaScript dependency injection framework and inversion of control container. It provides a centralized system for registering and resolving services, decoupling application components by automating how dependencies are created and passed to the functions or classes that require them. The framework features an automatic module loader that scans the filesystem using glob patterns to register dependencies based on filenames and exports. It supports parameter-name-based injection and proxy-based resolution to manage how dependencies are delivered to constructors and functions. The s

LiteOS is a lightweight real-time operating system kernel designed for constrained devices with limited memory and processing power. It provides a foundation for embedded IoT development, focusing on stable and predictable system resource management. The system implements a preemptive task scheduler and interrupt-driven resource management to ensure real-time responsiveness. It incorporates a tickless idle mechanism and optimized sleep-wake cycles to reduce power consumption in battery-powered hardware. The kernel includes capabilities for task synchronization via semaphores and static memor

Eloquent-JavaScript is a comprehensive JavaScript programming textbook and interactive coding tutorial designed for web development education. It serves as both a language reference and a practical guide, combining theoretical lessons with an environment where learners can execute and modify code examples. The project focuses on the fundamental principles of the JavaScript language, including lexical scoping, prototype-based inheritance, and asynchronous patterns. It provides detailed instruction on object-oriented programming, functional programming, and the use of the browser DOM to create

Rematch is a Redux state management framework and model orchestrator designed to organize application state into cohesive units. It functions as an asynchronous state workflow manager that bundles reducers and side effects into modular models to reduce the boilerplate typically required for Redux implementations. The framework provides an extensible plugin architecture for injecting custom behavior and configuration into the store lifecycle. It supports a multi-store application architecture, allowing for the creation and management of several independent state containers within a single appl

Machinery is a distributed task queue and asynchronous workflow engine. It provides a system for processing heavy workloads outside the main request flow using a network of distributed background workers and a message-based job orchestrator. The project manages complex task lifecycles through sequential chaining, where results are passed between tasks, and parallel coordination, which can trigger callback tasks upon the completion of a group. It supports periodic workflow scheduling for recurring jobs and delayed execution via specific timestamps. The system includes capabilities for result

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

Implementation of a bulletproof node.js API 🛡️

This project is a collection of software design patterns implemented in Go, serving as a technical reference and a set of practical programming examples. It maps theoretical architectural patterns to concrete code to demonstrate structural, creational, and behavioral coding techniques. The repository provides implementations for creational patterns focused on object instantiation and blueprint management, structural patterns for organizing object compositions, and behavioral patterns that manage object interactions and responsibilities. The content covers broad capability areas including in

ruby_llm is an LLM integration framework and AI agent orchestrator designed to connect applications to multiple large language model providers through a unified interface. It serves as a toolkit for building autonomous assistants with custom personas, managing structured output via JSON schemas, and implementing vector embedding engines for semantic search. The project distinguishes itself as an observability suite and multimodal toolkit. It provides specialized capabilities for tracking token usage, calculating model costs, and tracing workflows via OpenTelemetry, while supporting the proces

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

Radash is a TypeScript functional utility library designed for data transformation, validation, and workflow management. It provides a collection of typed helper functions to manipulate arrays, objects, and strings. The project features an asynchronous workflow toolkit for managing promises, retries, and concurrency limits, alongside a suite of boolean validators for verifying primitive types, objects, and promises. It also implements functional programming patterns such as function composition, partial application, and error-first response patterns. The library covers a broad surface of cap

Flynn is an open-source Platform as a Service (PaaS) that automates the full lifecycle of containerized applications across any infrastructure. It functions as a container orchestration platform, scheduling and managing application containers with isolated filesystem and network stacks, while also providing a health-checked service discovery router that directs traffic only to healthy container instances. The platform is built around a Git-push deployment model, where pushing code to a configured repository triggers an automated build-test-deploy cycle. It supports declarative scaling, allowi

Hazelcast is a distributed data platform that combines an in-memory data grid with a stream processing engine to support real-time analytics and event-driven applications. It functions as a partitioned, distributed key-value store that replicates data across cluster nodes to provide low-latency access and high availability. The platform also serves as a distributed SQL query engine, allowing users to execute standard SQL statements against both in-memory datasets and external data sources. What distinguishes Hazelcast is its use of a distributed consensus subsystem to maintain strongly consis

ES6-for-humans is an educational resource and technical manual providing a structured tutorial and programming guide for the ECMAScript 2015 language standards. It serves as a reference for transitioning from legacy JavaScript to modern syntax and coding patterns. The project covers modern language constructs including block-scoped variables, arrow functions, and class hierarchies. It provides guidance on implementing functional programming patterns via generators and lexically scoped functions, as well as object-oriented design using prototype-based inheritance. The documentation covers asy

This project is a comprehensive Python style guide and technical reference designed to promote the creation of clean, maintainable, and idiomatic code. It provides a set of opinionated guidelines and architectural patterns focusing on functional and declarative programming to reduce complexity and improve overall code quality. The guide establishes specific standards for naming conventions, module organization, and project layout. It emphasizes reducing object coupling by favoring modules and functions over deep class hierarchies and offers technical standards for writing docstrings and marku

100 Go Mistakes is a reference book and code review companion that catalogues frequent Go programming anti-patterns and provides corrected implementations for each one. It covers a wide range of common pitfalls, from range loop variable capture and interface nil handling to error wrapping and map iteration randomization, helping developers recognize and avoid these issues in their own code. The project distinguishes itself by offering a structured, example-driven approach to learning idiomatic Go. It covers core design decisions such as when to use pointer versus value receivers, how to apply

Elsa Core is a workflow engine framework designed for defining, executing, and managing long-running business processes. It functions as a distributed workflow orchestrator and event-driven trigger system, capable of operating as a multi-tenant platform with secure data isolation. The project distinguishes itself through a flexible approach to workflow definitions, supporting a visual drag-and-drop designer, programmatic C# definitions, and portable JSON specifications. It provides a highly extensible architecture allowing for the development of custom activities and the use of a dynamic expr

FastRoute is a PHP request router that maps incoming HTTP request URIs to specific handlers. It functions as a regular expression router, matching dynamic request paths against patterns to extract variables and route traffic. The project operates as a cached route dispatcher, storing pre-computed routing tables to eliminate the overhead of parsing definitions on every request. It utilizes regular expression grouping to combine multiple route patterns into a single operation, reducing the total number of matching steps required for resolution. The library covers dynamic API endpoint managemen

mcp-agent is a framework for building AI agents that integrate with Model Context Protocol servers to execute tools and access data. It functions as a multi-agent orchestrator and protocol-compliant server, enabling the creation of agents that can discover and invoke tools from connected external servers. The project distinguishes itself through a durable workflow engine that supports long-running tasks capable of pausing, resuming, and surviving restarts. It implements complex orchestration patterns, including iterative evaluator-optimizer loops, hierarchical workflow nesting, and specialist

NodeOS is an operating system that boots a Linux kernel with Node.js running as the primary userspace, replacing traditional shell utilities with JavaScript execution. Every npm package is treated as a native system command, making hundreds of thousands of packages directly executable at the OS level. The operating system is built inside Docker containers using a reproducible pipeline that generates ext2 filesystem images, with the ability to conditionally disable KVM for systems without hardware virtualization. It mounts a persistent usersfs partition for user home directories, preserving ch