Browse free open source JavaScript Runtimes and projects below. Use the toggles on the left to filter open source JavaScript Runtimes by OS, license, language, programming language, and project status.
Low-code programming for event-driven applications
DragonBones TypeScript / JavaScript Runtime
A modern Apache Kafka client for node.js
A Blazing Fast, Enterprise-Grade Web Components Foundation
Unified Development Platform for iOS, tvOS, Android, Android TV
Embeddable and experimental Javascript engine written in Rust
ChakraCore is an open source Javascript engine with a C API
Ultra-lightweight JavaScript engine for the Internet of Things
the only javascript runtime to hit no.1 on techempower
NativeScript for iOS and visionOS using V8
NativeScript for iOS using JavaScriptCore