ProComm, from Datastorm technologies, was a powerful and very popular
telecommunications program for DOS and Windows.
TERMULATOR, written to fill the gap left by shareware PC-Talk when
its author died.
protocols for uploading and downloading, and automatic redial. The
commercial "ProComm Plus" includes a scripting language, more
terminal types, additional file transfer protocols, context sensitive
help, support for 8 COM ports, and a professionally written manual
(telecommunications)](/product/microsoft_access_business_information_access_program), Crosstalk, Relay Gold, and PFS Access. Later,
it competed with QModem and Telemate.