আমার ব্লগে আমার জন্য রাখলাম।
HijackThis.de – HijackThis.de is a “Hijack This!” Log Analyser where you paste your Hijack This! logs into the website and it will tell you what is potentially malicous and what is safe.

Speedtest.net – Speedtest allows you to test the speed of your internet connection, choose multiple mirrors to test from and compare your results to other people in the area.

Reimage.com – Although not a free service, its very useful to computer technicians. Its a service that searches your computer for damage, missing or files that shouldnt be there and fixes them. Highly useful for finding those “needle in a haystack” problems where a bad file is making Windows unstable but you dont know which one. Also has the ability to disable many different type of spyware like toolbars and browser highjacks

WhatIsMyIP.com – Displays your public IP address, nothing more. Simple but useful.

LogMeIn.com – Log Me In is a service that allows you to login to remote computers from almost any location. Very easy to use and very powerful.

Trend House Call – A online virus scanner to scan your computer for viruses.

Driverguide.com – A site with a huge collection of drivers for all sorts of hardware.

RouterPasswords.com – Contains a list of the default passwords for various router models.

DLL-Files.com – Contains many different DLL’s which are available for download. Handy when an application is missing a certain DLL that is preventing it from running.

EServiceInfo.com – A large collection of Service manuals, electronic components datasheets and equipment schematics. Very useful when clients lose their manuals.

ProcessLibrary.com – A searchable list of Windows processes. Just enter the name of the process (for example, svchost.exe) and it will let you know whether it is malicious, safe or unneeded.

RetailMeNot.com: Computers – RetailMeNot is a place that lists shopping coupons (or codes) for other sites. There are often coupons like 10% off or free shipping from large retailers like Dell.com or Newegg.com

Spambox.us – This website creates a temporary email address for you and forwards any received emails to your regular email address. You can set the amount of time your temporary email address says active from from 30 mins to a year. This website is great for signing up to websites that you believe may spam you at some point, but need you to press a activation link sent to your signup email address.

If you know any other useful sites like this, drop us a comment.