Bitwarden
Password managers
Open-source password manager with a generous free plan.
Open Source Editor's pick
Available for Windows, macOS, Linux, Android, iPhone & iPad
Security & privacy
Tools that protect your devices and accounts: malware scanners, two-factor authentication, VPNs and encrypted messaging. Start with a password manager and two-factor codes; they stop most account takeovers.
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Our top picks
All security & privacy apps
Bitwarden
Password managers
Open-source password manager with a generous free plan.
Open Source Editor's pick
Available for Windows, macOS, Linux, Android, iPhone & iPad
1Password
Password managers
Polished password manager for families and businesses.
Paid
Available for Windows, macOS, Linux, Android, iPhone & iPad
Malwarebytes
Security & privacy
Scanner that finds and removes malware, adware and unwanted programs.
Freemium
Available for Windows, macOS, Android, iPhone & iPad
2FAS Auth
Security & privacy
Two-factor authentication codes for your accounts, with encrypted backup.
Open Source
Available for Android, iPhone & iPad
AccessChk
Security & privacy
Reviews permissions on files, registry keys and services.
Free
Available for Windows
Aegis Authenticator
Security & privacy
Open-source 2FA app for Android with an encrypted vault.
Open Source
Available for Android
Aircrack-ng
Security & privacy
A suite for assessing Wi-Fi network security.
Open Source
Available for Windows, Linux
Autopsy
Security & privacy
A graphical digital forensics platform.
Open Source
Available for Windows, macOS, Linux
Brave
Browsers
Chromium-based browser that blocks ads and trackers out of the box.
Open Source
Available for Windows, macOS, Linux, Android, iPhone & iPad
Burp Suite Community Edition
Security & privacy
A web security testing toolkit (free Community Edition).
Freemium
Available for Windows, macOS, Linux
Greenbone Community Edition (OpenVAS)
Security & privacy
An open-source vulnerability scanner.
Open Source
Available for Linux
Hashcat
Security & privacy
A GPU-accelerated password recovery and auditing tool.
Open Source
Available for Windows, Linux
John the Ripper
Security & privacy
A password security auditing tool.
Open Source
Available for Windows, macOS, Linux
Little Snitch
Security & privacy
A well-known outbound firewall and network monitor for macOS.
Paid
Available for macOS
LuLu
Security & privacy
A free, open-source outbound firewall for macOS.
Open Source
Available for macOS
Lynis
Security & privacy
A security auditing tool for Linux and Unix systems.
Open Source
Available for macOS, Linux
Nmap
Networking
Network scanner that discovers hosts, ports and services.
Open Source
Available for Windows, macOS, Linux
Proton Drive
Cloud storage
End-to-end encrypted cloud storage from Switzerland.
Freemium
Available for Windows, macOS, Android, iPhone & iPad
Proton VPN
Security & privacy
Swiss VPN with a genuinely free tier and a no-logs policy.
Freemium
Available for Windows, macOS, Linux, Android, iPhone & iPad
Sigcheck
Security & privacy
Checks file versions and digital signatures.
Free
Available for Windows
Signal
Security & privacy
End-to-end encrypted messaging and calls, run by a non-profit.
Open Source
Available for Windows, macOS, Linux, Android, iPhone & iPad
SpiderFoot
Security & privacy
An open-source intelligence (OSINT) automation tool.
Open Source
Available for Windows, macOS, Linux
Suricata
Security & privacy
A network threat detection engine.
Open Source
Available for Linux
Sysmon
Security & privacy
Logs detailed system activity to the Windows event log.
Free
Available for Windows, Linux
The Sleuth Kit
Security & privacy
Command-line tools for disk and file system forensics.
Open Source
Available for Windows, macOS, Linux
theHarvester
Security & privacy
Collects public information such as subdomains and hosts.
Open Source
Available for macOS, Linux
Velociraptor
Security & privacy
Endpoint visibility and incident response.
Open Source
Available for Windows, macOS, Linux
ZAP
Security & privacy
An open-source web application security scanner.
Open Source
Available for Windows, macOS, Linux
Zeek
Security & privacy
A network security monitoring platform.
Open Source
Available for macOS, Linux
Other categories
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