I'm a programmer from France.
By order of usage : php, javascript, go, bash, java, python.

I use github to publish code written on my spare time.
Most of my professional code is proprietary, except one, in GPL: Les bois du Larzac

https://github.com/tig12
    ├── Astrology and statistics
    │   ├── g5      Build opengauquelin database (famous persons with birth times) - PHP
    │   ├── g5-aux      Auxiliary files related to g5 program
    │   ├── g5-other      Other data usable to test astrology
    │   ├── observe      Astronomical and statistical computations - PHP
    │   ├── ogdb-wiki      Data to relate opengauquelin database with their birth certificates
    │   └── openg      Frontend to browse opengauquelin database - Go
    ├── Astronomy
    │   ├── jephem      High precision ephemeris computation - Java
    │   ├── miroir-secondaire      Compute the secondary miror of a Newton telescope - Java
    │   └── tigeph      Low precision ephemeris computation - PHP
    ├── Computing
    │   └── cnam-2isa      Computing science courses (French) - HTML, Java, Javascript
    ├── Development
    │   ├── tigdraw      Routines for drawing - PHP
    │   ├── tiglib      Generic routines - PHP, Go, Javascript
    │   └── tigsite      Microscopic framework to manage a static site - PHP
    ├── Do it yourself
    │   └── plans-yourte      Generate plans to build a yurt - PHP, HTML
    ├── Geography
    │   └── geonames2postgres      Transfer geonames.org data in a postgresql database - Python
    ├── Harvest
    │   └── mactutor-by-links      Build a CSV of ranked mathematicians from MacTutor web site - PHP
    └── Maths
        └── milewski-youtube-notes      Notes from Bartosz Milewski's course on category theory - HTML