This page offers you the most up-to-date release of FlatGUI. The current version is


If you are excited about FlatGUI and would like to have it around and see it grow, please consider supporting the development of the project.


Pre-compiled Binaries

The downloads contain the pre-compiled binaries and the library header files.


The Windows binaries are compiled with Microsoft Visual C++ Compiler 16.8.30717.126 (amd64) under Windows 10 Pro 20H2 64-Bit.


The Ubuntu binaries are compiled with GCC (C++, x86 64bit) under Ubuntu Desktop 20.04.1 LTS 64-bit.

Source Code

FlatGUI is an open-source project. You can download the source code from GitHub.

Important note: Please, be aware that even if other sites might share the same software, should be considered the only trustable source for FlatGUI. To minimize the risk of compromising your digital security, I strongly advise you to avoid FlatGUI offers coming from third-party sites, as well as to always check the downloaded files for viruses.