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2026-09-07: After more 5 000 000 (five million) views on forum for 1.8.x.x development versions... A new stable version, UltraVNC 1.8.2.9 has been released: viewtopic.php?t=38203 Feedback is always welcome
2026-04-01: After 1.7.x, 1.8.x release builds need tests and feedback: viewtopic.php?t=38158
2025-12-02: We need help: English Wikipedia UltraVNC page has been requested to deletion: viewtopic.php?t=38127 Any help is welcome to improve the UltraVNC page and/or to comment on the Wikipedia Talk page
2025-06-25: After more 2 000 000 (two million) views on forum for 1.5.0.x development versions... and 1.6.1.0, 1.6.3.0-dev versions A new stable version, UltraVNC 1.6.4.0 and UltraVNC SC 1.6.4.0 have been released: viewtopic.php?t=38095 Feedback is always welcome
Yes, both UltraVNC and UltraVNC SC are mostly open source, "free", and free of charge. Redge just meant that SC was by design a stripped down version of UltraVNC, not that there was a better paid version.
Most VNC products (including TightVNC, RealVNC, and UltraVNC) have traditionally named their Windows VNC executable "winvnc.exe".