KuaiZip

A free multiformat compressor

ZipGenius

All the necessary tools to create, open and administer compressed files

Hamster Free ZIP Archiver

Quickly compress and extract your files

BitZipper

Compressor with support for many formats

FILEminimizer Office

Reduce the size of your Office files up to 98%

8 Zip Lite

Compressor compatible with several formats

ArcConvert

Transform a file's compression format

WinArchiver

Comprehensive tool to work with compressed files

Free RAR Extract Frog

Decompress your RAR file free

WinAce

The best compression application for ACE files

UPX

Compress your executable files

gzip

Free compressor that has been ported from Linux

DataNumen RAR Repair

Repair RAR and SFX files

Bandizip

A very easy-to-use compressor

PowerArchiver

One of the most powerful multiformat compressors

WiZ

Free lightweight ZIP compressor

360 NSA Cyber Weapons Defense Tool

Security tool against the NSA's cyberweapons

WOT Internet Explorer

Discover if a website is dangerous with this plug-in

OWASP Mantra

A pack of tools to check a website's security

FileASSASSIN

Unblock and eliminate the malicious and unwanted files from your computer.

Latch Antiransomware

Anti-ransomware tool created by Telefónica's cybersecurity division

Preventon

Protection against Internet dangers and malware

RogueRemover

Remove false antivirus alarms from your computer

Ghidra

The NSA's reverse engineering tools

RogueKiller

Protect your computer against any malware

Mandiant Redline

Audit your computer in search of malware

Winpooch Watchdog

Make sure your programs don't carry out dangerous operations

BitDefender USB Immunizer

Eliminate malicious auto-executable files from your USB pendrives

RKill

Put a halt to all the dangerous processes that run in the background

Norton Power Eraser

The last chance to remove viruses