Twisted is used by many open-source projects.

Libraries and Add-Ons

•  TLS Lite - Python TLS/SSL implementation.
•  TwistedSNMP - PySNMP integration for Twisted.
•  BEEPy - BEEP protocol implementation for Python.
•  PyRAD- a RADIUS client and server.
•  Ldaptor - LDAP protocol implementation and utilities.
•  Twibber - a Jabber implementation.
•  PyOSD - module for displaying text on your X display, much like the "On Screen Displays" used on TVs and some monitors.

Applications

•  hellanzb - an application designed for *nix environments that retrieves and processes Usenet nzb files.
•  Flumotion - a streaming media server.
•  Quotient - multi-protocol messaging server with tools for information management and retrieval, including a mail server (SMTP/POP3/IMAP/webmail) and much more.
•  Shtoom - a RTP/SIP VoIP phone.
•  Hep - Message routing super-server
•  Khashmir - distributed hash table.
•  OGC - MUD client.
•  Bannerfish - banner ad server.
•  apt-proxy2 - caching proxy for Debian apt-get clients.
•  CVSToys - CVS change notification via email, IRC and HTTP.
•  Beyond 2 - high level framework for assembling, animating, and interacting with 3D virtual environments
•  DocmaServer - batch processing server that does Word <-> XML conversion.
•  pyvncviewer - a simple VNC viewer implemented in Python.
•  BuildBot - a distributed building/testing framework.
•  PythonDirector - load balancing for web servers.
•  Various libraries - pcap, SNMP integration, RSS to NNTP gateway, and other programs.
•  Upstage - a "cyberperformance" chat system.
•  Freevo - open-source home theatre and PVR PC platform.
•  CIA Bot - notification system, used by many projects for source code checkin notification.
•  SFTPGateway - SFTP to FTP gateway, allowing secure access to FTP servers.
•  Informant - GNOME Panel applet for event notification.
•  Go Siege - multiplayer Go game.
•  TouRSSt - RSS delivery system.
•  Pynfo - extendable multi-function IRC bot.
•  PETMail - permission based anti-spam replacement for SMTP.
•  Crow's Nest - collect log information from various sources and to apply some filter to them in a very modular way.
•  Trash - a web pastebin application.

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