Tornado Web Server — Tornado 6.4 documentation¶ Tornado is a Python web framework and asynchronous networking library, originally developed at FriendFeed. By using non-blocking network I/O, Tornado can scale to tens of thousands of open connections, making it ideal for long polling, WebSockets, and other applications that require a long-lived connection to each user. Quick links¶ Current version: 6.4 (download from PyPI, release notes) Source
