Beam

A browser, rebuilt from scratch.

Source Code

macOS 14+

Platform

SwiftData

Storage

R&D

Stage

Overview

Beam is a ground-up web browser for macOS built entirely in Swift 6 and SwiftUI. It uses SwiftData for persistent storage of tabs, bookmarks, and history. Sessions restore automatically on launch. Designed with accessibility as a first-class concern — full keyboard navigation and screen reader support throughout.

Stack

Swift 6SwiftUISwiftDataAppKitXcode 16

Features

What it does.

Browser Core

Tab management: create, close, reopen (Cmd+T, Cmd+W, Cmd+Shift+T)
Back, forward, reload navigation (Cmd+[, Cmd+])
Automatic session persistence and restore on launch
Unified command menu for macOS

Data Layer

SwiftData for persistent bookmarks, history, and tabs
Session state survives app restarts
App Sandbox with network client entitlement
Downloads folder read/write access

Accessibility

Full keyboard navigation throughout
Screen reader support
Notification-based address bar focus management

Architecture

How it's built.

BeamApp

Entry point with SwiftData model container initialization

AppState

Observable application state with ModelContext

TabManager

Tab creation, navigation, and session management

PersistenceService

SwiftData container setup and error handling

BrowserWindowView

Main UI with unified toolbar and title bar

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