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Download Master vs AB Download Manager: catalog facts
Download Master	AB Download Manager
Free Free to use with no limitations, with optional donations.	Free Free and open source, supported by donations.
Windows, Browser extension	Windows, macOS, Linux, Browser extension
Multi-stream downloading with resume Scheduler, site manager and browser integration	Multi-connection downloads Queues with a built-in scheduler
Windows only Closed source	Community support mainly through Telegram and GitHub Younger project than long-established download managers
Downloadable app, Browser extension	Downloadable app, Browser extension
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.