Hey game Developers and software writers...

I am Searching for an free and open source Shader editor IDE
for writting OpenGL Shaders yet!....

I get found an online editor for this, but I want to find an
IDE thad I can download for Windows... yet...

Get anyone an idea where I can find them? .... I want
find an offline and open source Shader IDE for OpenGL

Any idea?.....,

Thanks for help, Jamie....