Learn how to evaluate and integrate the VNC SDK

We're here if you need help.

Free and open source software

This page provides details of all the free and open source software in the VNC SDK.

This does not mean your platform must include this software. This page is provided for information only.

Software Version Usage License URL
X Window System 6.9.0 SDK/bindings X/MIT http://www.x.org/wiki/
mbed TLS 2.28.8 SDK/bindings Apache 2.0 https://tls.mbed.org/
AES 01/08/2005 SDK/bindings RealVNC has permission to use author’s custom license, close to a BSD-license.
d3des 5.09 SDK/bindings Public domain No longer available on the Internet.
Zlib 1.3 SDK/bindings zlib http://zlib.net/
XML parser 2.43 SDK/bindings RealVNC has author’s permission to use a BSD license. http://www.applied-mathematics.net/tools/xmlParser.html
libpng 1.6.37 SDK/bindings zlib/libpng http://www.libpng.org/pub/png/libpng.html
JPEG 6b SDK/bindings IJG http://libjpeg.sourceforge.net/
libjpeg-turbo 2.1.1 SDK/bindings IJG https://libjpeg-turbo.org/
cJSON 08/2009 SDK/bindings MIT http://sourceforge.net/projects/cjson/
mnemonicode Year 2000 SDK/bindings MIT http://web.archive.org/web/20101031205747/http://www.tothink.com/mnemonic/
ZStandard 1.5.5 SDK/bindings BSD https://facebook.github.io/zstd
libopus 1.3 SDK/bindings BSD https://opus-codec.org/
speexdsp 1.2-rc3 SDK/bindings BSD https://www.speex.org/
jQuery 2.1.1 Samples/tools MIT https://jquery.com/
jQuery UI 1.11.2 Samples/tools MIT https://jqueryui.com/