Other than this, it has the ability to solve captchas on its own which makes downloading seamless and faster than before. It has features like resuming downloading, setting bandwidth limit to each download, auto-extract archives, and more. The first free and worthy IDM alternative in this list is JDownloader which is an open-source tool. In this article, I will be listing down 10 best free internet download manager alternatives that you can use to manage your downloads.ġ0 Best Free IDM Alternatives You Can Use in 2020 1. Therefore if you are in search of an internet download manager alternative, then you are on the right page. It is priced at $24.95 for each system for a lifetime which is kind of affordable but not everyone is willing to pay this much for download management software.