lftp

lftp is a command-line file transfer program which besides FTP, also supports FTPS, HTTP, HTTPS…

HTTPie

CLI HTTP that will make you smile. JSON support, syntax highlighting, wget-like downloads, extensions, and more.

HTTrack is a free (GPL, libre/free software) and easy-to-use offline browser utility.

The most intuitive cross-platform REST API Client ð´

MetaProducts Offline Explorer is a Windows NT/2000/XP/2003/Vista program that allows you to…

RESTClient can be used to test variety of HTTP communications and RESTful webservices.

A faster alternative to FTP

Cyotek WebCopy is a free tool for copying full or partial websites locally onto your harddisk for offline viewing.

WebZIP Offline Browser - a fast and easy way to download, store and browse Web sites offline.

GNU Wget is a free software package for retrieving files using HTTP(S) and FTP, the most…

Port of aria2 for Android with builtin front-end (aria2-webui).

Download files using curl or wget.

The aim for webui-aria2 is to create the worlds best interface to interact with…

Peer file to file transfer using command line interface.