Rateless-coded Transport is a set of applications that use ground-breaking error correcting codes technology. They support fast reliable transmission over UDP, live content streaming and Internet multicast trees, duplex firewall transparency, ultra-fast reliable transport for WANs (up to 40-times faster than TCP), and optimal peer-to-peer multi-source download protocols.
wzdftpd is designed to be a small, efficient, and highly modular/configurable FTP server for various platforms including Linux and Windows. The server is RFC compliant, multi-threaded and can be configured entirely online using SITE commands. You can write your own extensions to the server in your choice of language, extending on existing MySQL, PostgreSQL, SQLite, Tcl, Perl, PAM, and SFV plugins. Features include IPv6, TLS/SSL, UTF8, ACLs, VFS, events, scripting, plugins, job scheduler, bandwidth limitations, credits/sections, group administration, and customizable logging.