Code repositories for science and engineering domains

Besides GitHub, GitLab, SourceForge, and Netlib, there are also domain-specific repositories with Fortran code, with a few listed at the Fortran Wiki below. Are there other such repositories specific to a scientific or engineering discipline?

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Just came across a lot of code from mathematics professor John Burkhardt in F77 and F90. Looks like the license for the routines is LGPL.