Based on the repo dosbox staging seems to be mostly using crt-hyllian as their shader: https://github.com/dosbox-staging/dosbox-staging/tree/main/resources/shad

Based on the repo dosbox staging seems to be mostly using crt-hyllian as their shader: https://github.com/dosbox-staging/dosbox-staging/tree/main/resources/shader-presets/crt/crt-hyllian https://github.com/dosbox-staging/dosbox-staging/tree/main/r... That same shader is also available for RetroArch