Security
Every listing in the Security section, from all 7 categories below.
862 results, page 22 of 29
PureOS
Purism's free-software Linux operating system that converges between desktop computers and phones.
PureVPN
A commercial VPN service with apps for desktop, mobile and TV devices and a large server network.
Purple Knight
A free Windows tool that assesses Active Directory, Entra ID and Okta for security weaknesses.
qTox
A desktop client for the encrypted peer-to-peer Tox protocol with chat, calls and file transfer.
QtPass
A cross-platform graphical front end for pass, the GPG-encrypted Unix password manager.
Qualys Community Edition
Free, cloud-based edition of the Qualys security platform for asset discovery and vulnerability assessment.
Qubes OS
Operating system that compartmentalises work into isolated virtual machines.
Quetre
Quora front end that removes login walls and tracking.
Quiet
A peer-to-peer team chat app that syncs messages between members' devices over Tor, with no server.
Quttera Website Malware Scanner
Free online scanner that checks a website's public content for malicious scripts and threats.
Qwant
A French web search engine hosted in Europe that says it does not keep search data.
radare2
Command-line reverse engineering framework and binary analysis toolkit.
Radio Silence
A lightweight outbound firewall and network monitor for macOS that blocks individual apps from the internet.
Radmin VPN
A free Windows program that joins remote computers into one virtual local network.
rage
A Rust implementation of the age file encryption format, with a command-line tool and library.
Rambox
Desktop workspace that combines messaging and email web apps in one window.
RansomWhere?
A macOS utility that detects processes encrypting files like ransomware and stops them for review.
RaspiBlitz
A do-it-yourself Bitcoin and Lightning Network node system for the Raspberry Pi.
rbw
An unofficial command-line Bitwarden client that keeps keys in a background agent.
Recon-ng
Modular web reconnaissance framework with a Metasploit-style interface.
Redlib
Private Reddit front end that needs no JavaScript and no account.
REMnux
Linux toolkit for reverse engineering and analysing malicious software.
Report URI
A hosted service that collects and analyses CSP and other browser security reports from your website.
Request Map Generator
A web tool that draws a node map of every request a page makes, including third parties.
Responder
LLMNR, NBT-NS and mDNS testing tool for internal network assessments.
Rethink DNS
Android firewall and encrypted DNS client with per-app rules.
RetroShare
A decentralized, encrypted friend-to-friend network for chat, mail, forums, channels and file sharing.
ReviOS
Windows playbook applied with AME Wizard to optimize and trim Windows 10 and 11 installs.
Ricochet Refresh
An anonymous peer-to-peer instant messenger that connects contacts directly over Tor onion services.
rimgo
Alternative Imgur front end with no ads, tracking or JavaScript.
