1.MFlowCode / MFCExascale multiphase flow solver — 2025 Gordon Bell Prize Finalist | 200T grid points on 43K+ GPUsgpuexascalecfdfortranhpcmpi+14 moreFortranMIT439 total186 forks+14 starsfrom 425 · score 2.71
2.Reference-LAPACK / lapackLAPACK development repositorylinear-algebralapackblaslapackelinear-equationseigenvalues+4 moreFortranOther license1.9K total519 forks+12 starsfrom 1,906 · score 2.56
3.szaghi / VTKFortranpure Fortran VTK (XML) APIfortranvtkoopFortranNo license160 total59 forks+3 starsfrom 157 · score 1.39
4.wavebitscientific / functional-fortranFunctional programming for modern Fortranfunctional-programmingfortranFortranBSD-3-CLAUSE439 total41 forks+1 starsfrom 438 · score 0.69