Advent of Code http://adventofcode.com

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Completed (Python)

In-progress (Go lang)

Completed (25 languages in 25 days)

1. Python
2. Javascript
3. Java
4. Pascal
5. C/C++
6. Ruby
7. Typescript
8. VB
9. C#
10. PHP
11. Go
12. Scala
13. Haskel
14. Lisp
15. Clojure
16. Fortran
17. Julia
18. R
19. Perl
20. Swift
21. Ada
22. Lua
23. Rust
24. Prolog
25. Erlang