- python (does not work on cygwin32/64)
- normaliz (works on cygwin32/64, ONLY normaliz version 2.7 is compatible with current libraries)
- 4ti2 (works on cygwin32/64, tested with 4ti2 1.6)
- gfan (works on cygwin32/64)
- polymake (does not support cygwin)
- surf/surfer/surfex (not tested yet on cygwin)
- TOPCOM (works on cygwin64, not tested yet on cygwin32, however there's a bug in oldpolymake.lib::triangulations)
- FLINT (works on cygwin32, does not work on cygwin64 due to failing mpir 2.6.0)
- NTL (works on cygwin32/cygwin64, tested with 6.0.0)
ps: 3rd party software used by Singular and Preface