ThinkBroadband: Broadband Speed Test - Web based speed test applet which analyses both downstream and upstream speeds from the UK. Allows graphing of your connection over time. - http://www.thinkbroadband.com/speedtest.html
CNET - Bandwidth Meter - Web based tool for testing bandwidth. Includes a service locator for North America. - http://reviews.cnet.com/7004-7254_7-0.html
AuditMyPC - Internet Speed Test. Detailed testing of upstream, downstream and packet quality for all communications including VOIP. - http://www.auditmypc.com/internet-speed-test.asp
My Bandwidth Test Meter - Bandwidth test meter for checking the connection speed for dsl, cable, modems, wimax, voip and other internet connections. - http://www.mybandwidthmeter.com
Broadband-help.com - Web based speed and bandwidth test. Analyses speed, quality, round trip. Use to monitor the quality of your broadband provider. - http://www.broadband-help.com/tools/speed-test/
2punk - A free simple internet bandwidth test. - http://www.2punk.net
Online.net - Internet connection bandwidth test. - http://isp.haydont.net
Internet Speed test - Test the speed of your broadband connection. - http://speedtest.raketforskning.com/internet-speed-test.html
Speed.kify.com - Test your internet connection speed. - http://speed.kify.com
Bandwidth-test.net - Free test of internet connection, downstream, upstream and ping. - http://bandwidth-test.net/
Speed Test Online - Test downstream and upstream connections. - http://www.speedtestonline.com
Oz Broadband Speed Test - Australian Cable, ADSL, and Dial-up internet speed test. - http://members.optusnet.com.au/djalexm/speedtest/
Febooti Download Speed - Freeware utility for Windows. Test your internet download speed and estimate download times. - http://www.febooti.com/products/filetweak/members/download-speed/
Downstream speed test - Test your broadband or modem connection. - http://www.acc.umu.se/~aquila/speedtest/
Line Speed Testing - Test your broadband connection. Provides accurate download and upload tests. - http://cristian.francu.com/adsl/index.html
ToolPanel.org - Web based tool for testing your download bandwidth. Doesn't require any browser plugins. - http://www.toolpanel.org/networking/bandwidthmeter/
Toast Net - Test the speed of your Internet connection. Unlimited tests at no additional charge. - http://performance.toast.net
Optimum Online Speed Check - Uses a car speedometer interface for checking bandwidth speed. - http://speedcheck2.optonline.net/speedcheck/speedcheck.html
TPtest- Internet performance test suite - Open Source (GPL/LGPL) software suite for testing network throughput (aka "bandwidth"). - http://sourceforge.net/projects/tptest/
Sprint Speed Test - Internet connection speed test. - http://speed.sprintbbd.net/
The Speed - Bandwidth speed tests from multiple locations around the world. - http://www.thespeed.com/
PC Pitstop - Internet Download Bandwidth Test - Web based tool for measuring bandwidth by downloading text files of different sizes. - http://www.pcpitstop.com/internet/bandwidth.asp
MySpeed - Testing service measures download and upload speeds for registered users. - http://myspeed.visualware.com
Multidata Bandwidth Meter - Web based bandwidth test from Jakarta, Indonesia. - http://speedtest.multidata.net.id/