Open Source JDownloader Alternatives
JDownloader is described as 'simplifies and improves the process of downloading files from sites like YouTube or Mega.
JDownloader offers downloading in multiple parallel streams, CAPTCHA recognition, and automatic file extraction. It support CCF, RSDF and DLC files'. There are more than 100 alternatives to JDownloader for various platforms. The best alternative is DownThemAll, which is both free and Open Source. Other great apps like JDownloader are uGet (Free, Open Source), pyLoad (Free, Open Source), Xtreme Download Manager (Free, Open Source) and FreeRapid Downloader (Free, Open Source).