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JDownloader vs AB Download Manager: catalog facts
JDownloader	AB Download Manager
Free Free to download and use.	Free Free and open source, supported by donations.
Windows, macOS, Linux	Windows, macOS, Linux, Browser extension
Plugin support for a large number of hosting and video sites Browser integration and link capture	Multi-connection downloads Queues with a built-in scheduler
Plugins can break when a site changes and need updates Requires Java	Community support mainly through Telegram and GitHub Younger project than long-established download managers
Downloadable app	Downloadable app, Browser extension
Open source	Open 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.