From Rosetta Code
My Favorite Languages
Language Proficiency
Ursa I am developing this language!
Python Active, enthusiast
TypeScript Active, enthusiast
C Active, maintaining old code
Perl Reluctantly, still
PHP Professionally
UNIX Shell In tiny doses
JavaScript When TypeScript is too much
Forth Fondly remembered

A long-time armchair language enthusiast, I wrote a Forth compiler many years ago, but only recently took the plunge and started turning decades of scribbles and notes into a new language, Ursalang, or Ursa for short (not to be confused with the existing "Ursa" on Rosetta Code; apologies for any confusion!).