Dota 2 Random Hero is a simple tool that replaces "Spin to random hero" feature removed from Dota 2.
It downloads the current list of heroes from Dota 2 Wiki and then display you the name of a random one.
You need:
You can satisfy these dependencies using pip:
pip3 install requests beautifulsoup4
Then, run:
python3 cli.py
Want a web version? jfx made one here.
I do not know if it's up to date though and I am not affiliated with it in any way.