Security & Privacy Page 3 of 158

Clam AntiVirus is an open source (GPL) anti-virus toolkit for UNIX, designed especially for e-mail scanning on mail gateways. It provides a number of utilities including a flexible and scalable multi-threaded daemon, a command line scanner and advanced tool for automatic...

Private networks made easy. Connect all your devices using WireGuard, without the hassle. Tailscale makes it as easy as installing an app and signing in.

An OpenSnitch-inspired firewall and network monitor + a pi-hole-inspired DNS over HTTPS client with blocklists.

Protects devices from viruses and malware, offers real-time threat detection, home network scanning, password management, secure browsing, and regular updates.

Exodus helps you to know which trackers and permissions are embedded in apps installed on your device.

Orbot is a freely licensed open-source application developed for the Android platform. It acts as a front-end to the Tor binary application, and also provides an HTTP Proxy for connecting web browsers and other HTTP client applications into the Tor SOCKS interface.

Threema is a new mobile messaging app that puts security first. With true end-to-end encryption, you can rest assured that only you and the intended recipient can read your messages.

End-to-end encrypted platform with zero-knowledge security for notes, tasks, files, diary entries, and password management. Browser accessible.

Experience quick, private browsing with this top DNS resolver. Enhanced by a VPN, it ensures your data remains protected and activity optimized.

Open-source tool to enforce privacy & security best-practices on Windows and macOS, because privacy is sexy 🍑🍆.

Protects you against tracking through "free", centralized, content delivery. It prevents a lot of requests from reaching networks like Google Hosted Libraries, and serves local files to keep sites from breaking. Complements regular content blockers.

Self-hosted, lightweight password server compatible with Bitwarden clients, written in Rust, supporting organizations, attachments, and two-factor authentication.

Automated monitoring delivers real-time alerts when credentials or sensitive files are found on dark web sources, enabling businesses to respond rapidly.

DuckDuckGo Privacy Browser is designed to help users control their personal data while browsing the internet. The browser provides privacy essentials that give users control over their data during web searches.

Quad9 is a free, recursive, anycast DNS platform that provides end users robust security protections, high-performance, and privacy.

Secure and high-performance, Psiphon provides open access to the uncensored internet for millions of people around the world, with 150,000,000+ downloads.

Privacy-focused, open-source email app offering encryption, unlimited accounts, customizable features, unified inbox, and low data usage.

Windows Security (known as Windows Defender Antivirus before Windows 10 May 2020 Update, Windows Defender before Windows 10 Creators Update, or Microsoft Defender Antivirus before Windows 11) is an anti-malware component of Microsoft Windows.

Keepass2Android is an open source password manager application for Android. It reads and writes .kdbx-files, the database format used by the popular KeePass 2.x Password Safe for Windows and other desktop operating systems.

A peer-to-peer mesh VPN with zero infrastructure. Create a private network, share a code, and your machines reach each other as if they were on the same LAN. No servers to run, no ports to forward, no static IPs to manage.

GnuPG allows to encrypt and sign your data and communication, features a versatile key management system as well as access modules for all kinds of public key directories. GnuPG, also known as GPG, is a command line tool with features for easy integration with other applications.

Lightweight, modern open-source CAPTCHA alternative designed using SHA-256 proof-of-work and JS instrumentation

2FAS Authenticator is a simple and free application for Two Factor Authentication (2FA Authentication) which generates Time-based One-time Passwords (TOTP) and PUSH authentication*.

Opt out of PRISM, the NSA’s global data surveillance program. Stop the American government from spying on you by encrypting your communications and ending your reliance on proprietary services.

Join DNS4EU, an EU initiative providing secure, private, and reliable DNS services for users across Europe.