CommuniGate Pro (CGatePro) is a highly scalable carrier grade unified communications server, as well as a development platform.
[2] Since version 5 custom procedural CG/PL scripting language is provided for performing advanced configuration tasks, including modification of or integration with software's modules.
[5] CommuniGate Pro includes mail transfer agent (MTA) protocols that support POP3, IMAP4 and SMTP (along with their secure variations), as well as webmail interface.
[3] Apart from standard genre-defined functionality, it is capable of subscribing users to several mailboxes and advanced mail filtering (including calling arbitrary external software, e.g. SpamAssassin for anti-spam protection).
[3][5] Starting with version 5.1 CommuniGate Pro includes its own XML Interface to Messaging, Scheduling, and Signaling (XIMSS) protocol together with the webmail "Pronto Archived October 17, 2019, at the Wayback Machine!"
In 2021, his daughter Anna Butenko filed a statement with the prosecutor’s office, accusing the management of the program owner, StalkerSoft, of copyright theft.