Dear ImGui vs FLTK
A side-by-side look at Dear ImGui and FLTK. For an in-depth review of either product, follow the links below.
Dear ImGui
Development
Dear ImGui is an open source immediate mode graphical user interface library for C++. It is easy to use and integrate into games or applications to create fast graphical user interfaces with minimal code.
cguiimmediate-mode-gui
FLTK
Development
FLTK (pronounced 'fulltick') is a lightweight, cross-platform C++ GUI toolkit for developing graphical user interfaces (GUIs). It provides modern GUI functionality without the bloat, supports 3D graphics via OpenGL, and works on Linux, Windows, and macOS.
crossplatformclightweight3d-graphicsopengl
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PyQt
Qt Creator
wxPython
PyGTK
PySide
wxWidgets