What are some alternatives?
When comparing aria2 and Offline Explorer, you can also consider the following products
JDownloader - JDownloader is a free downloading tool that enables you to download files from over a hundred hosting sites. The tool is compatible with Linux, Mac and Windows operating systems. Read more about JDownloader.
HTTrack - HTTrack is a free (GPL, libre/free software) and easy-to-use offline browser utility.
Free Download Manager - It is a powerful modern download accelerator and organizer for Windows and Mac.
WebCopy - Cyotek WebCopy is a free tool for copying full or partial websites locally onto your harddisk for offline viewing.
qBittorrent - Lightweight and open source torrent client that runs on all major platforms.
Wget - GNU Wget is a free software package for retrieving files using HTTP(S) and FTP, the most...