Master list of Mining software for easy retrieval.

GPU
DiabloMiner - http://forum.bitcoin.org/index.php?topic=1721.0
Support: Windows, Linux, OSX
Features: Long Polling, BFI_INT

poclbm - http://forum.bitcoin.org/index.php?topic=1334.0
Support: Windows, Linux
Features: Long Polling, BFI_INT

hashkill - http://forum.bitcoin.org/index.php?topic=6819.0
Support: Linux
Features: Long Polling, BFI_INT, Auto Reconnect

Phoenix - http://forum.bitcoin.org/index.php?topic=6458.0
Support: Windows, Linux
Features: Long Polling, BFI_INT, Auto Reconnect
CPU
Jgarzik - http://forum.bitcoin.org/index.php?topic=1925.0
Support: Windows, Linux
Features: ???

Ufasoft - http://forum.bitcoin.org/index.php?topic=3486.0
Support: Windows, Linux
Features: Long Polling, Failover
FPGA
FPGAminer - http://forum.bitcoin.org/index.php?topic=9047.0
Support: Windows
Features: N/A
Add:
MeteorMiner - http://forum.bitcoin.org/index.php?topic=10353.0
Support: Windows, Linux, OSX (Java Implementation)

HDMiner - http://forum.bitcoin.org/index.php?topic=2949.0
Support: Linux
Features: Pay-For-Miner, Optimized for 69XX Series

Browser-Based
BitJam - http://forum.bitcoin.org/index.php?topic=11549.0
Support: Windows, Linux, OSX (Java Implementation)
Features: Browser-based, Embed-able Java Applet

KradMiner - http://forum.bitcoin.org/index.php?topic=9876.0
Support: Windows
Features: Firefox Browser-based OpenCL

Bitp.it - http://forum.bitcoin.org/index.php?topic=9042.0
Support: Javascript Browers
Features: 100% Javascript

BitcoinPlus.com - http://forum.bitcoin.org/index.php?topic=8780.0
Support: Windows, Linux, OSX (Java Implementation)
Features: Browser-based, Embed-able Java Applet
Front Ends :

GUIMiner - http://forum.bitcoin.org/index.php?topic=3878.0
Support: Windows
Features : poclbm, ufasoft, phoenix (phakt support)

AOCLBF (Formerly Phoenix Rising) - http://forum.bitcoin.org/index.php?topic=10264.0
Support: Windows
Features: Phoenix (phakt support)

Diablo and RPC for Mac - http://forum.bitcoin.org/index.php?topic=8994.0
Support: OSX 10.6+
Features: CLI Frontend Setup

BitMiner - http://forum.bitcoin.org/index.php?topic=12135.0
Support: Windows
Features: poclbm, (Planned) Temp readings / usage