dd-wrt Features....

Features:

13 languages
802.1x Extensible Authentication Protocol (EAP)
Access Restrictions
Adhoc
Afterburner
Client Isolation Mode
Client Mode (supports multiple connected clients)
DHCP Forwarder (udhcp (http://udhcp.busybox.net/))
DHCP Server (udhcp (http://udhcp.busybox.net/) or Dnsmasq (http://thekelleys.org.uk/dnsmasq/doc.html))
DNS Forwarder (Dnsmasq (http://thekelleys.org.uk/dnsmasq/doc.html))
DMZ
Dynamic DNS (DynDNS (http://www.dyndns.com/), easyDNS (http://www.easydns.com/), FreeDNS (http://freedns.afraid.org/), No-IP (http://www.no-ip.com/), TZO (http://www.tzo.com/), ZoneEdit (http://www.zoneedit.com/), custom, and others)
Hotspot Portal (Sputnik Agent (http://www.sputnik.com) ,Chillispot (http://www.chillispot.org/))
IPv6
JFFS2 (JFFS2 (http://sourceware.org/jffs2/))
MMC/SD Card Support (hardware modification required)
NTP
Ntop Remote Statistic
OpenVPN Client & Server (only in -vpn build of the firmware)
Port Triggering
Port Fowarding
PPTP VPN Server & Client
QoS Bandwidth Management
QoS L7 Packet Classifier (l7-filter (http://l7-filter.sourceforge.net/))
RFlow
Routing (BIRD (http://bird.network.cz/))
Samba FS Automount
Syslog
Rx Antenna
Tx Antenna
Show Status of Wireless Clients and WDS with System Uptime/Processor Utilization
Site Survey
SNMP
SSH server & client (dropbear (http://matt.ucc.asn.au/dropbear/dropbear.html))
Startup, Firewall, and Shutdown scripts (startup script (http://wrt-wiki.bsr-clan.de/index.php?title=Startup_Scripts))
Static DHCP
Style (Changeable GUI; v.23)
Supports New Devices (WRT54G V3, V3.1, V4, V5 and WRT54GS V2.1, V3, V4)
Telnet server & client
Transmit Power Adjustment (0-251mW, default is 28mW, 100mW is safe)
UPnP
VLAN
WOL (Wake On Lan) (WOL (http://ahh.sourceforge.net/wol/))
WDS Connection Watchdog
WDS Repeater Mode
Wireless MAC Address Cloning
Wireless MAC Filter
WMM (Wi-Fi MultiMedia QoS)
WPA over WDS
WPA/TKIP with AES
WPA2
Xbox Kaid (Kai Engine (http://www.teamxlink.co.uk/))