Network Tools: DNS,IP,Email
DNS and Network troubleshooting and diagnostic tools integrated into one sweet interface.
security
evilsocket/opensnitch
OpenSnitch is a GNU/Linux interactive application firewall inspired by Little Snitch. - evilsocket/opensnitch
Safing Portmaster - Easy Privacy
Portmaster is a free and open-source application that puts you back in charge over all your computer's network connections. Increase your privacy and security. Get peace of mind.
Little Snitch for Linux
Discover powerful applications such as Little Snitch Mini, Little Snitch, LaunchBar and Micro Snitch.
Windows Firewall Control
Windows Firewall Control is a powerful tool which extends the functionality of Windows Firewall by adding outbound notifications and many other features.
Webbkoll - 5july.net
This tool helps you check what data-protecting measures a site has taken to help you exercise control over your privacy.
Digital Defense - The ultimate personal security checklist to secure your digital life
The ultimate personal security checklist, for securing your digital life.
Frigate NVR
NVR with realtime local object detection for IP cameras
proxytunnel: Stealth tunneling through HTTP(S) proxies
Stealth tunneling through HTTP(S) proxies.
corkscrew: A tool for tunneling SSH through HTTP proxies
A tool for tunneling SSH through HTTP proxies.
research!rsc
Thoughts and links about programming, by Russ Cox
Wrangling Untrusted File Formats Safely
Wrangling Untrusted File Formats Safely.