This is a GUI version of libcamera-apps. It provides visual, interactive access to some of the functionality of said suite of command line programs. The GUI is implemented using the lightweight framework FLTK.
Download the latest release from Releases.
All documentation, including getting started, is in the Wiki.
The following screen capture show the first view of libcam_fltk: the Settings tab, along with the Preview Window:
For more screen shots, see the Wiki.
The source code is made available under the BSD 3-Clause-Clear license.