BlackSwan Download Manager v1.0.0

BlackSwan Download Manager v1.0.0 — Initial Release

Download

• BDM-1.0.0.dmg (819 KB) — Open DMG, drag to Applications

Requirements

• macOS 26.0 (Tahoe) or later
• Apple Silicon or Intel

What's included

Multi-Thread Segment Engine

• Files split into 2–32 segments, each downloaded by 2–4 threads
• Up to 64 parallel streams per file
• Zero-copy assembly via sparse file + pwrite() at byte offset
• Adaptive rebalancing every 500ms
• SHA-256 / SHA-512 / MD5 checksum verification
• XPC service keeps downloading when window is closed

Liquid Glass UI

• Native macOS 26 Liquid Glass design with semi-transparent background
• Toggle off in Settings → General → Appearance for solid background
• 3 view modes: Detailed, Compact, Minimal (⌘1 / ⌘2 / ⌘3)

Smart Downloads

• Bulk URL input with preview
• Auto-route by file extension or domain
• Queue with drag-reorder and priority
• Resume interrupted downloads
• Native notifications on complete, error, batch done, checksum mismatch

Complete Settings

• 8-tab settings: General, Downloads, Folders & Routing, Network, Browser, Notifications, Language, Advanced
• Export/Import as bdm-settings.json

JSON Localization

• Drop-in .json files for any language
• {{var}} interpolation, RTL auto-detection
• Ships with English, community translations welcome

Build from source

git clone https://github.com/amirhp-com/macOS-IDM.git
cd macOS-IDM
xcodebuild -project BDM.xcodeproj -scheme BDM -configuration Release build