Twitterbot is a bot, but at the moment it is not known who develops it.

Latest user agents:

• Twitterbot/1.0 Mozilla/5.0 (Windows NT 6.2; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) QtWebEngine/5.12.3 Chrome/69.0.3497.128 Safari/537.36
• Twitterbot/1.0 Mozilla/5.0 (Windows NT 6.2; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) QtWebEngine/5.12.3 Chrome/69.0.3497.128 Safari/537.36
• Twitterbot/1.0