The open-source RevenueCat alternative. Open-source SDKs, server, paywalls, experiments, web checkout, Customer Center, 43 charts and 36 integrations for subscription apps on iOS, Android and the w…

libcurl bindings for Node.js

Operator overloading for TypeScript

Javascript library for reading and writing PSD files

Build complex CLIs with type safety and no dependencies

Mobilewright is a dev framework for Mobile App Testing and Automation. It allows testing iOS/Android app on real devices, emulators and simulators with a single API.

Random Mesh Shading Language

Test React Native with Vitest - against real React Native, or a fast mock. One plugin, zero config.

Durable workflow execution for TypeScript

Undetected version of the Playwright testing and automation library.

📜 A VitePress plugin for generating LLM-friendly documentation

Durable, replayable multi-step operations.

Sandbox your local AI agents so they can read/write only what they need

Diffs for function call stacks across git commits. 22 languages supported (AST-based, built using Tree-sitter). Great for agentic review.

A ChatGPT-style mobile chat app in React Native with context about Margelo

ASD-STE100 Simplified Technical English rules, repurposed as a Claude Code skill for rewriting ambiguous agent-facing English.

A React Native library for monitoring network connectivity status and connection type using Nitro Modules for high performance.

Orchestrate sandboxed coding agents in TypeScript with sandcastle.run()

A Simple Nitro module to open an in-app browser in your React Native app.

Nitro + WebView = 🚀

PgQue – Zero-bloat Postgres queue built on top of on battle-proven Skype's PgQ. One SQL file to install, pg_cron to tick https://pgque.dev

Zorilla is a modular plugin framework that extends Puppeteer and Playwright with additional functionality through a clean plugin architecture. Build powerful browser automation with composable plug…

Run multiple promise-returning & async functions with limited concurrency

Append-only backup of iCloud Photos, Drive, Notes, and Contacts to any local directory.

A native TypeScript/JavaScript compiler written in Rust. Compiles TypeScript/JavaScript directly to executables using SWC and LLVM.

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JSON Schema validator that compiles to plain JavaScript, still runs where code generation is blocked, and can be compiled away at build time. Passes the full official test suite. https://socket.dev…