Open source. Open possibilities.

Appwrite is an open-source, all-in-one development platform that provides backend infrastructure and web hosting for web, mobile, and AI applications.

DeployBar is a free, open-source, local-first macOS menu bar app that monitors cloud deployment status across providers like Vercel, Railway, Netlify, Render, Cloudflare, Heroku, Fly.io, GitHub, and GitLab.

Gancho is a local-first clipboard history and curated snippet library for macOS, iPhone and iPad. It captures, searches and reuses copied content, syncs through the user's private iCloud, and keeps clipboard content out of logs, telemetry and diagnostics.

An imperative Swift 6 wrapper for GTK4 and libadwaita, offering 178 type-safe widget wrappers, fluent setters, async/await, and full GNOME desktop app support on Linux and macOS.

SwiftLint is a widely-used open-source linter for Swift code that enforces style and conventions with over 200 configurable rules, integrating with Xcode, VS Code, CI pipelines, and more.

Quick is a behavior-driven development (BDD) testing framework for Swift and Objective-C, inspired by RSpec, Specta, and Ginkgo. It pairs with Nimble for expressive matchers and supports multiple Swift versions via CocoaPods or Swift Package Manager.

SessionReplaySDK is a privacy-focused iOS SDK for recording user sessions. It captures video, touch events, logs, and network requests with automatic PII masking, supporting SwiftUI/UIKit and local-first storage.

Vorssaint is a free, open-source macOS menu bar toolkit bundling volume mixing, system monitoring, window management, clipboard history, snippets, screen capture and more into one icon, with per-feature installs and no telemetry or account.

Alamofire is an elegant HTTP networking library for Swift with chainable request/response methods, Swift Concurrency and Combine support, parameter encoding, file upload/download, authentication, response validation, caching, TLS pinning, and network reachability.

An AI-first engineering toolkit that provides specialized knowledge, workflows, and standards to turn AI coding agents into senior mobile engineers.

A CLI and website that catalogs which versions of open-source components ship with each macOS and Xcode release, scanning Apple's IPSW firmware and Xcode archives to extract version strings from system binaries, the dyld shared cache, and SDK headers.

Core Swift library providing LibP2P interfaces, protocols, and abstractions for peer-to-peer networking, including PeerID, Multiaddr, and connection management built on Swift-NIO.

A curated awesome list of open-source applications for macOS, organized by category with language tags and links to each project's repository.

Source-available engineering standards for AI coding agents, with rules, platform-specific guidelines, and automated enforcement checks (Python scanner, git hooks, linter configs) for iOS, macOS, Android, React Native, Web, and Python projects.

A Flutter plugin providing native circular and rectangular image cropping for Android, iOS, macOS, and Web platforms via a federated plugin structure.

MMKV is an efficient, small key-value storage framework from WeChat, using mmap and protobuf. It runs on Android, iOS/macOS, Windows, POSIX, HarmonyOS NEXT, with experimental Kotlin Multiplatform support.

SwiftGen is a command-line code generator that produces type-safe Swift constants from project resources like asset catalogs, colors, strings, fonts, and more, eliminating string-based APIs and catching errors at compile time.

FragmentColor is a cross-platform GPU abstraction for Rust, JS, Python, Swift, and Kotlin. It simplifies shader workflows using WGSL/GLSL across Vulkan, Metal, DirectX, and WebGPU.

A collaborative, categorized directory of open-source iOS apps with source code links and descriptions, useful for developers seeking real-world reference examples.

Compiler Explorer is an interactive web tool for compiling code in C, C++, Rust, Go and 30+ other languages and viewing the resulting assembly in real time. It supports multiple compilers per language, configurable layouts and a REST API, and can be self-hosted.