A Swift multiplatform, single-threaded, non-blocking web and networking framework inspired by Node.js.
Lightning is a Swift-based multiplatform framework for building non-blocking web servers and networking applications. It provides an event-driven, single-threaded architecture inspired by Node.js, enabling high-performance I/O operations without the complexity of traditional threading models. The framework includes built-in support for HTTP routing, TCP communication, and functional reactive programming via StreamKit.
Swift developers building server-side applications, especially those who need high-performance web servers or TCP services on macOS or Linux. It's ideal for developers familiar with Node.js's non-blocking patterns but who prefer Swift's type safety and ecosystem.
Lightning offers a native Swift solution for non-blocking I/O, combining the performance benefits of libdispatch with a simplified single-threaded model. Its integrated FRP API and cross-platform support make it a compelling alternative to Node.js for Swift-centric projects, without requiring external reactive libraries.
A Swift Multiplatform Single-threaded Non-blocking Web and Networking Framework
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Uses libdispatch for event-driven operations, ensuring high performance and scalability similar to Node.js, as highlighted in the README's comparison.
Single-threaded by default eliminates the need for locks or mutexes, making server-side state easier to handle without concurrency primitives.
Built-in StreamKit provides a promise-like interface for handling asynchronous events, inspired by ReactiveCocoa and RxSwift, without requiring external libraries.
Runs on both macOS and Linux, leveraging Swift's multiplatform capabilities for flexible server deployment across environments.
As a Swift-specific framework, it lacks the extensive package ecosystem of Node.js, often requiring custom implementation for common server features like database integration.
At version 0.3.0, Lightning may undergo breaking changes and lacks the stability of mature frameworks, making it risky for production use without thorough testing.
Single-threaded design means CPU-intensive tasks can block the event loop, necessitating manual use of libdispatch for background threading, which adds complexity.
Lightning is an open-source alternative to the following products: