wxDownload Fast Portable
multi-threaded download manager
wxDownload Fast (also known as wxDFast) is an open source, multi-platform download manager. It is a multi-threaded download manager, which means that it can split a file into several pieces and download the pieces simultaneously.
Features
-Download resuming (Pause and restart where you stopped)
-Download scheduling
-Organizes files you have already downloaded
-View server messages (HTTP, FTP, file://). No HTTPS support.
-Available in multiple languages and easily translated. Now available in Portuguese [Brazil], Spanish, English, German, Russian, Hungarian, Armenian, -Indonesian and Dutch
-Connection to HTTP/FTP servers which require a password
-Calculates the MD5/SHA1 checksum of downloaded files so they can be easily verified
-Metalink support
-Can be used over proxy servers(HTTP proxy support)
https://portableapps.com