Wikipedia
FastEcho
FastEcho is a message processing package for FTN ( FidoNet Technology Network) mail systems. It was written and released as shareware by Tobias Burchhardt in 1991. The final version was 1.46.1 which was released in 1997. FastEcho was one of the fastest FTN mail processing packages available for FTN style messages. Running on DOS, DPMI and native OS/2 32bit, it offered numerous features that were desirable for leafnode systems as well as highend FTN mail distribution hubs.