MonoGame Shader Collection

Hello out there,
i am looking for some community project, that is collecting open source shaders, but i could not find any usefull, so i thought about starting a new one.
Actually i am really implementing basic shaders everyone uses, like greyscale or Glow, so i really think that could help people. What do you think ??
yeah the same is true also for HLSL, what really suprised me.
i am trying to collect what i find here: