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Guilherme Sant’Anna · Systems

Systems I build and maintain.

From cloud ERP to point of sale for small shops, with Brazilian tax compliance and support.

Corporate chat for your local network · Free

SantyxChat

Teams-style internal chat that runs on your company's own server, no cloud: direct and group chats, file sharing, company-wide announcements (with urgent alerts), audio and video calls and screen sharing over the LAN.
Messages to offline people are queued and delivered when they connect, with delivery and read receipts. Local SQLite database, clear history, search, self sign-up, support-issued password reset codes and each person's IP, computer and Windows user.
Windows 10 and 11 installer with the server (Windows service) and the desktop app; it also works in the browser.

Free