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AB Download Manager vs Internet Download Manager: catalog facts
AB Download Manager	Internet Download Manager
Free Free and open source, supported by donations.	Paid Paid licence after a 30-day free trial.
Windows, macOS, Linux, Browser extension	Windows, Browser extension
Multi-connection downloads Queues with a built-in scheduler	Dynamic segmentation for faster downloads Resumes interrupted downloads
Community support mainly through Telegram and GitHub Younger project than long-established download managers	Paid after the trial period Windows only
Downloadable app, Browser extension	Downloadable app, Browser extension
Open source	Closed source
License not stated	License not stated
No account 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.