Here is a non-exhaustive list of tqdm ports in various languages, with a partial mention if official and/or in development stage:

Language Source
Python tqdm/tqdm Official
C++ tqdm/tqdm.cpp Official Pre-Alpha
.NET damageboy/yaap
C++ aminnj/cpptqdm
C++ sizmailov/tqdm-cxx
D ShigekiKarita/snck
Elixir antipax/tqdm_elixir
Go kinsey40/tqdm
Go sbwhitepack/tqdm
Julia cloud-oak/Tqdm.jl
Node.js jhedin/ntqdm
Perl perlancar/perl-tqdm
Ruby powerpak/tqdm-ruby
Ruby rscarvalho/tqdm-ruby