qBittorrent Then and Now
qBittorrent is 15 years old
How qBittorrent looked like and how it is now:
qBittorrent is a cross-platform free and open-source BitTorrent client.
qBittorrent is a native application written in C++. It uses Boost, Qt 5 toolkit, and libtorrent-rasterbar library (for the torrent back-end). Its optional search engine is written in Python.