| Subject | English | German |
| comp., MS | calendar user agent | Kalenderbenutzer-Agent (A client program such as Microsoft Outlook. Calendar information can be sent between calendar user agents that comply with the iCalendar specification) |
| IT, dat.proc. | Carlos addition for clustered terminal user agents | CACTUS-Projekt |
| commun., IT | co-operating user agent | kooperierendes End-Systemteil |
| commun., IT | directory user agent | Directory User Agent |
| commun. | Directory User Agent | verzeichnisorientierter Endbenutzer-Systemteil (ITU-T (CCITT) X.500) |
| commun., IT | directory user agent | Verzeichnis-End-Systemteil |
| comp. | directory user agent | Verzeichnis-Client-Programm |
| comp., MS | globally routable user agent URI | global routbarer Benutzer-Agent-URI, Globally Routable User Agent URI (A URI that a SIP program can use to route a call to a specific agent) |
| IT | interpersonal messaging system user agent | interpersonal messaging system UA |
| IT | interpersonal messaging system user agent | End-Systemteil des interpersonellen Mitteilungs-Übermittlungs-Systems |
| IT | User agent | End-Systemteil |
| IT | User agent | user agent |
| IT | User agent | Benutzeragent |
| commun., IT | user agent | End-Systemteil |
| commun. | user agent | Benutzermittel (box in DTAG TELEBOX, MHS SW, ITU-T (CCITT) X.400) |
| commun. | user agent | Endsystemteil (ITU-T (CCITT) X.400) |
| commun. | user agent | elektronischer Briefkasten (ITU-T (CCITT) X.400) |
| commun. | user agent | Benutzer (MHS SW, ITU-T (CCITT) X.400) |
| IT | User Agent | End-Systemteil |
| comp. | user agent | Bot |
| comp., MS | user agent | Benutzer-Agent (A program that helps a client connect with a server) |
| comp. | user agent | Handelnde |
| comp. | user agent | Roboter |
| comp. | user agent | Agent |
| IT | user agent entity | Instanz des End-Systemteils |
| commun. | user agent identification | Briefkastenadresse (X.400) |
| IT | User Agent Layer | Schicht des End-Systemteils |
| commun., IT | user agent status report | Zustandsbeschreibung des Benutzers |
| commun., IT | user agent status report | Zustandsbericht des Benutzer-Agenten |
| commun., IT | user agent status report | Zustandsbeschreibung des UA |
| comp., MS | user agent string | Zeichenfolge des Benutzer-Agenten (A string that identifies a user's web browser and provides details about the user's computer system to web servers hosting the websites that the user visits) |
| IT | user agent sub-layer | Teilschicht des UA |
| IT | user agent sub-layer | Teilschicht des Benutzers |