USB logic analyzer

  • Logic

http://www.saleae.com/logic
8 channels at up to 24MHz and can record up to 10 billion samples.
$149
OSX, Linux

  • Logic16

http://www.saleae.com/logic16
can sample 2 channels 100MHz, 4 channels at 50MHz, 8 channels at 25MHz or all 16 channels at 12.5MHz and can record up to 10 billion samples.
$299.00
OSX, Linux

  • BitScope Model 10

http://www.bitscope.com/product/BS10/
100 MHz Analog Bandwidth, 2+8 ch
$ 245.00
OSX, Linux

  • SIGMA2

http://www.asix.net/tools/dbg_sigma.htm
Up to 200 MHz sample speed, Up to 16 inputs, (16 inputs at 50 MHz)
€198
Linux

  • OMEGA

http://www.asix.net/tools/dbg_omega.htm
Up to 16-channel, up to 400 MHz logic analyzer with 512 megabit memory
€298.
Linux

http://gadgetfactory.net/logicsniffer/
https://www.sparkfun.com/products/9857
http://www.seeedstudio.com/depot/preorder-open-workbench-logic-sniffer-p-612.html
Capture 50MHz+ waveforms on 32 channels, 16 channels with 8K sample depth
$50
Linux, OSX

  • ZeroPlus

http://www.zeroplus.com.tw/logic-analyzer_en/products.php
http://strawberry-linux.com/zeroplus/
Windows only