HEATKEYS

SourceForge.net. Fast, secure and free downloads from the largest Open Source applications and software directory

Free network tools useful for system administrators and webmasters. IP address lookup, domain name server (DNS) lookup, extract emails, md5 hash, url encode/decode, network lookup and much more.

Create and view digital certificates for free. http source code viewer, SSL certificate creation made easy. Create signed, self-signed and wildcard certificates.

Internet marketing and web development resource. Learn how to create and market a website professionally on the Internet.

web scraping, data parsing and other related things

Get a web sniffer report for almost any URLs, domain names & tlds. Get a full SEO report and check the URL is search engines friendly.

Webutation scan's websites against ongoing malware scripts and collects realtime user feedback and experience. It is free & open! Safe Surfing!

Provides sniffer software, spy software, monitoring software.

Detail analysis user agent string (alias UA string)

Helps you find whether the website you are trying to browse is down or not. Check if the website is down just for you or everyone around the globe.

Twitter is without a doubt the best way to share and discover what is happening right now.