agent(1) - phpMan

HEAD (1)             - Simple command line user agent
deliver (1)          - Dovecot's local mail delivery agent
discard (8)          - Postfix discard mail delivery agent
dovecot-lda (1)      - Dovecot's local mail delivery agent
error (8)            - Postfix error/retry mail delivery agent
fwupdagent (1)       - firmware updating agent
GET (1)              - Simple command line user agent
gpg-agent (1)        - Secret key management for GnuPG
gpg-connect-agent (1) - Communicate with a running agent
gpg-preset-passphrase (1) - Put a passphrase into gpg-agent's cache
lwp-request (1)      - Simple command line user agent
LWP::UserAgent (3pm) - Web user agent class
mutt (1)             - The Mutt Mail User Agent
muttrc (5)           - Configuration file for the Mutt Mail User Agent
muttrc.local (5)     - Configuration file for the Mutt Mail User Agent
pkttyagent (1)       - Textual authentication helper
POST (1)             - Simple command line user agent
ssh-add (1)          - adds private key identities to the authentication agent
ssh-agent (1)        - authentication agent
ssh-pkcs11-helper (8) - ssh-agent helper program for PKCS#11 support
systemd-tty-ask-password-agent (1) - List or process pending systemd password...
virtual (8)          - Postfix virtual domain mail delivery agent