system environment/daemons
- ORBit - CORBA Object Request Broker for GNOME-1 compatibility
- ORBit2 - A high-performance CORBA Object Request Broker
- Perlbal - Reverse-proxy load balancer and webserver
- Pound - Reverse proxy and load balancer
- acpid - ACPI Event Daemon
- aiccu - SixXS Automatic IPv6 Connectivity Client Utility
- am-utils - Automount utilities including an updated version of Amd
- and - Auto nice daemon
- apcupsd - APC UPS Power Control Daemon for Linux
- apmd - Advanced Power Management (APM) BIOS utilities for laptops
- arts - aRts (analog realtime synthesizer) - the KDE sound system
- at - Job spooling tools
- athcool - Enables/disables Powersaving mode for AMD processors
- audio-entropyd - Generate entropy from audio output
- audit - User space tools for 2.6 kernel auditing
- authd - A RFC 1413 ident protocol daemon
- autodir - Creates user directories on demand
- autofs - A tool for automatically mounting and unmounting filesystems
- bacula - Cross platform network backup for Linux, Unix, Mac and Windows
- bandwidthd - Tracks network usage and builds html and graphs
- beanstalkd - A fast, distributed, in-memory workqueue service
- bind - The Berkeley Internet Name Domain (BIND) DNS (Domain Name System) server
- bitlbee - IRC to other chat networks gateway
- boa - Single-tasking HTTP server
- bootparamd - A server process which provides boot information to diskless clients
- brltty - Braille display driver for Linux/Unix
- cachefilesd - CacheFiles userspace management daemon
- camE - Rewrite of the xawtv webcam app, which adds imlib2 support
- chrony - An NTP client/server
- cleanfeed - A spam filter for Usenet news servers.
- coda - Coda distributed file system
- collectd - Statistics collection daemon for filling RRD files
- conserver - Serial console server daemon/client
- ctdb - A Clustered Database based on Samba's Trivial Database (TDB)
- cups - Common Unix Printing System
- cwdaemon - Morse daemon for the parallel or serial port
- cyrus-imapd - A high-performance mail server with IMAP, POP3, NNTP and SIEVE support
- dap-freeform_handler - FreeForm data handler for the OPeNDAP Data server
- dap-hdf4_handler - HDF4 data handler for the OPeNDAP Data server
- dap-netcdf_handler - NetCDF 3 data handler for the OPeNDAP Data server
- dap-server - Basic request handling for OPeNDAP servers
- dbmail - A database backed mail storage system
- dcbd - Intel EEDC Connection
- ddclient - Client to update dynamic DNS host entries
- dhcp - Dynamic host configuration protocol software
- dhcp-forwarder - DHCP relay agent
- dhcpv6 - Dynamic host configuration protocol software for IPv6
- distcache - Distributed SSL session cache
- dkim-milter - DomainKeys Identified Mail sender authentication sendmail milter
- dnrd - A caching, forwarding DNS proxy server
- dnsmasq - A lightweight DHCP/caching DNS server
- dnssec-conf - DNSSEC and DLV configuration and priming tool
- dovecot - Dovecot Secure imap server
- ebnetd - EBNET protocol server
- esound - Allows several audio streams to play on a single audio device
- exim - The exim mail transfer agent
- fail2ban - Ban IPs that make too many password failures
- fedora-ds - Red Hat Directory, Administration, and Console Suite
- fedora-ds-admin - Fedora Administration Server (admin)
- fedora-ds-base - Fedora Directory Server (base)
- fedora-ds-dsgw - Fedora Directory Server Gateway (dsgw)
- fnfx - Hotkey functions for Toshiba laptops
- fprintd - D-Bus service for Fingerprint reader access
- fprobe-ulog - NetFlow probe
- freeradius - High-performance and highly configurable free RADIUS server
- fwknop - A Single Packet Authorization (SPA) implementation
- galago-daemon - Galago presence daemon
- gift - Daemon for communicating with filesharing protocols
- gnome-settings-daemon - The daemon sharing settings from GNOME to GTK+/KDE applications
- gpm - A mouse server for the Linux console
- gpsd - Service daemon for mediating access to a GPS
- greylistd - Greylisting daemon
- haproxy - HA-Proxy is a TCP/HTTP reverse proxy for high availability environments
- heartbeat - Heartbeat subsystem for High-Availability Linux
- hplip - HP Linux Imaging and Printing Project
- httpd - Apache HTTP Server
- ices - Source streaming for Icecast
- ifplugd - Detect and take action when an ethernet cable is unplugged
- inadyn - Dynamic DNS Client
- inadyn-mt - Dynamic DNS Client
- inn - The InterNetNews system, an Usenet news server
- ip-sentinel - Tool to prevent unauthorized usage of IP addresses
- iputils - Network monitoring tools including ping
- ipxripd - IPX RIP/SAP daemon - routing for IPX networks
- ircd-hybrid - Internet Relay Chat Server
- ircd-ratbox - Ircd-ratbox is an advanced, stable and fast ircd
- iscsi-initiator-utils - iSCSI daemon and utility programs
- isns-utils - The iSNS daemon and utility programs
- jabberd - OpenSource server implementation of the Jabber protocols
- jack-audio-connection-kit - The Jack Audio Connection Kit
- kannel - WAP and SMS gateway
- lighttpd - Lightning fast webserver with light system requirements
- linux-atm - Tools to support ATM networking under Linux
- linux-igd - The Linux UPNP Internet GATEWAY DEVICE
- lirc - The Linux Infrared Remote Control package
- maildrop - Mail delivery agent with filtering abilities
- mailgraph - A RRDtool frontend for Mail statistics
- maradns - Authoritative and recursive DNS server made with security in mind
- mcstrans - SELinux Translation Daemon
- memcached - High Performance, Distributed Memory Object Cache
- migrationtools - Migration scripts for LDAP
- milter-greylist - Milter for greylisting, the next step in the spam control war
- milter-regex - Sendmail milter plugin for regular expression filtering
- mimedefang - E-Mail filtering framework using Sendmail's Milter interface
- mod_annodex - Apache module for server-side support of annodex media
- mod_auth_kerb - Kerberos authentication module for HTTP
- mod_auth_mysql - Basic authentication for the Apache web server using a MySQL database
- mod_auth_ntlm_winbind - NTLM authentication for the Apache web server using winbind daemon
- mod_auth_pam - PAM authentication module for Apache
- mod_auth_pgsql - Basic authentication for the Apache HTTP Server using a PostgreSQL database
- mod_auth_shadow - An Apache module for authentication using /etc/shadow
- mod_authz_ldap - LDAP authorization module for the Apache HTTP Server
- mod_bw - Bandwidth Limiter For Apache
- mod_cband - Bandwidth limiting for virtual hosts
- mod_dnssd - An Apache HTTPD module which adds Zeroconf support
- mod_evasive - Denial of Service evasion module for Apache
- mod_extract_forwarded - Extract real source IP for forwarded HTTP requests
- mod_fcgid - Apache2 module for high-performance server-side scripting
- mod_geoip - GeoIP module for the Apache HTTP Server
- mod_limitipconn - Simultaneous connection limiting module for Apache
- mod_line_edit - A general-purpose filter for text documents
- mod_mono - A module to deploy an ASP.NET application on Apache with Mono
- mod_nss - SSL/TLS module for the Apache HTTP server
- mod_perl - An embedded Perl interpreter for the Apache HTTP Server
- mod_perlite - Kinder, gentler embedded Perl for the Apache HTTP Server
- mod_python - An embedded Python interpreter for the Apache HTTP Server
- mod_revocator - CRL retrieval module for the Apache HTTP server
- mod_security - Security module for the Apache HTTP Server
- mod_suphp - An apache2 module for executing PHP scripts with the permissions of their owners
- munin - Network-wide graphing framework (grapher/gatherer)
- mydns - A Database based DNS server
- net-snmp - A collection of SNMP protocol tools and libraries
- netatalk - AppleTalk networking programs
- netbsd-iscsi - User-space implementation of iSCSI target from NetBSD project
- netdump-server - Server for network kernel message logging and crash dumps
- netlabel_tools - Tools to manage the Linux NetLabel subsystem
- newscache - Free cache server for USENET News
- nfs-utils - NFS utilities and supporting clients and daemons for the kernel NFS server
- nginx - Robust, small and high performance http and reverse proxy server
- ngircd - Next Generation IRC Daemon
- noip - A dynamic DNS update client
- nsd - Fast and lean authoritative DNS Name Server
- ntp - The NTP daemon and utilities
- nufw - Authentication Firewall Suite for Linux
- obex-data-server - D-Bus service for Obex access
- obexd - D-Bus service for Obex Client access
- ocspd - OpenCA OCSP Daemon
- oddjob - A D-BUS service which runs odd jobs on behalf of client applications
- oidentd - Implementation of the RFC1413 identification server
- openldap - LDAP support libraries
- openser - Open Source SIP Server
- opensm - OpenIB InfiniBand Subnet Manager and management utilities
- openswan - Openswan IPSEC implementation
- openwsman - Web Services Management libraries
- pcsc-lite - PC/SC Lite smart card framework and applications
- pdns - A modern, advanced and high performance authoritative-only nameserver
- pdns-recursor - Modern, advanced and high performance recursing/non authoritative nameserver
- perl-Gearman-Server - Function call "router" and load balancer
- perl-mogilefs-server - Server part of the MogileFS distributed filesystem
- pop-before-smtp - Watch log for POP/IMAP auth, notify MTA to allow relay
- portreserve - TCP port reservation utility
- postfix - Postfix Mail Transport Agent
- postgrey - Postfix Greylisting Policy Server
- ppp - The PPP (Point-to-Point Protocol) daemon.
- privoxy - Privacy enhancing proxy
- proftpd - Flexible, stable and highly-configurable FTP server
- psad - Port Scan Attack Detector (psad) watches for suspect traffic
- pulseaudio - Improved Linux sound server
- pure-ftpd - Lightweight, fast and secure FTP server
- quagga - Routing daemon
- queuegraph - A RRDtool frontend for Mail statistics
- radvd - A Router Advertisement daemon
- rainbow - A one-person isolation shell
- rarpd - The RARP daemon.
- ratbox-services - Service package for ircd-ratbox
- rbldnsd - Small, fast daemon to serve DNSBLs
- rinetd - TCP redirection server
- rp-pppoe - A PPP over Ethernet client (for xDSL support).
- rpcbind - Universal Addresses to RPC Program Number Mapper
- rpld - RPL/RIPL remote boot daemon
- rsyslog - Enhanced system logging and kernel message trapping daemons
- rusers - Displays the users logged into machines on the local network.
- rwall - Client for sending messages to a host's logged in users.
- rwho - Displays who is logged in to local network machines.
- sagator - Antivir/antispam gateway for smtp server
- samba - Server and Client software to interoperate with Windows machines
- samba4 - The Samba4 CIFS and AD client and server suite
- scsi-target-utils - The SCSI target daemon and utility programs
- sec - SEC (simple event correlator)
- sendmail - A widely used Mail Transport Agent (MTA)
- ser - SIP Express Router
- sip-redirect - Tiny IPv4 and IPv6 SIP redirect server written in Perl
- slapi-nis - NIS Server and Schema Compatibility plugins for Directory Server
- spamass-milter - Milter (mail filter) for spamassassin
- spampd - Transparent SMTP/LMTP proxy filter using spamassassin
- sqlgrey - Postfix grey-listing policy service
- squid - The Squid proxy caching server
- squidGuard - Filter, redirector and access controller plugin for squid
- suck - Download news from remote NNTP server
- synergy - Mouse and keyboard sharing utility
- sysklogd - System logging and kernel message trapping daemons
- syslog-ng - Next-generation syslog server
- sysusage - System monitoring based on perl, rrdtool, and sysstat
- tclhttpd - Extensible Web+Application server written in Tcl
- tcp_wrappers - A security tool which acts as a wrapper for TCP daemons
- thttpd - Tiny, turbo, throttleable lightweight http server
- tinyproxy - A small, efficient HTTP/SSL proxy daemon
- tor - Anonymizing overlay network for TCP (The onion router)
- torque - Tera-scale Open-source Resource and QUEue manager
- trytond - Server for the Tryton application framework
- ttywatch - Log output of arbitrarily many devices
- tuned - A dynamic adaptive system tuning daemon
- ucarp - Common Address Redundancy Protocol (CARP) for Unix
- ulogd - The userspace logging daemon for netfilter
- unbound - Validating, recursive, and caching DNS(SEC) resolver
- up-imapproxy - University of Pittsburgh IMAP Proxy
- uw-imap - UW Server daemons for IMAP and POP network mail protocols
- varnish - High-performance HTTP accelerator
- vnstat - Console-based network traffic monitor
- vsftpd - Very Secure Ftp Daemon
- vtun - Virtual tunnel over TCP/IP networks
- watchdog - Software and/or Hardware watchdog daemon
- wvdial - A heuristic autodialer for PPP connections
- xinetd - A secure replacement for inetd
- xl2tpd - Layer 2 Tunnelling Protocol Daemon (RFC 2661)
- xorg-x11-xfs - X.Org X11 xfs font server
- xsp - A small web server that hosts ASP.NET
- ypbind - The NIS daemon which binds NIS clients to an NIS domain
- ypserv - The NIS (Network Information Service) server
- zoneminder - A camera monitoring and analysis tool