Security & Privacy Page 9 of 158

Visualizes complex relationships using link analysis graphs for open-source intelligence and forensics, supporting data collection, mapping, and investigations.

Command line tool for finding social usernames across hundreds of sites, outputting results in multiple formats, privacy-focused, open source and cross-platform.

Fail2ban scans log files (e.g. /var/log/apache/error_log) and bans IPs that show the malicious signs -- too many password failures, seeking for exploits, etc. Generally Fail2Ban is then used to update firewall rules to reject the IP addresses for a specified amount of time...

Mailvelope is a browser extension that allows to exchange encrypted emails following the OpenPGP encryption standard.

Wazuh is a free and open source platform used for threat prevention, detection, and response. It is capable of protecting workloads across on-premises, virtualized, containerized, and cloud-based environments.

Spectre (prev. Master Password) is a password manager which uses it's own, original algotithm: Instead of saving and sending passwords across the internet, Spectre calculates the password you need, only when you need it, then throws it away again.

Zen is an open-source system-wide ad-blocker and privacy guard for Windows, MacOS, and Linux. It works by setting up a proxy that intercepts HTTP requests from all applications, and blocks those serving ads, tracking scripts that monitor your behavior, malware, and other...

Simple Android PDF viewer based on pdf.js and content providers. The app doesn't require any permissions.

DNSCrypt is a protocol that authenticates communications between a DNS client and a DNS resolver. It prevents DNS spoofing. It uses cryptographic signatures to verify that responses originate from the chosen DNS resolver and haven't been tampered with.

Metasploit Community Edition simplifies network discovery and vulnerability verification for specific exploits, increasing the effectiveness of vulnerability scanners such as Nexpose - for free. This helps prioritize remediation and eliminate false positives, providing true...

Make a unique debit card number for every single purchase online with just 1 click. Never worry again about credit card breaches, shady merchants, or sneaky subscription billing.

Authenticator generates two-factor authentication (2FA) codes in your browser. Use it to add an extra layer of security to your online accounts.

This is a fork of the original (and discontinued) app, which is still looking for maintainers. Please consider to apply to keep this app maintained !

Hypatia is the world's first FOSS malware scanner for Android. It is powered by ClamAV style signature databases.

Peergos is a secure and private online space where you can store, share and view your photos, videos, music and documents.

Padloc not only helps you remember all your passwords, it also securely stores credit cards, notes, documents and more!

Enpass offers you freedom from remembering too many passwords and other important credentials. It secures them in one place by your master password and makes them accessible anywhere and everywhere - on your smartphones, tablets, or desktops.

Trivalent is a specialized, security-hardened Chromium browser for desktop Linux, primarily targeting Fedora and other RPM-based distributions. Developed by secureblue and inspired by the Vanadium browser from the GrapheneOS project, Trivalent applies additional patches, sandbox...

Cloud-assisted malware scanner using Bitdefender and Kaspersky engines, combining signature matching and behavioral analysis without real-time protection.

A fast, secure, and minimalist C++ image viewer for Windows. It's a single ~82 KB executable with zero telemetry and broad image support.

reCAPTCHA is a free service that protects your site from spam and abuse, using risk analysis techniques to tell humans and bots apart.

Firewall (iptables frontend), based on DroidWall which is no longer being developed. A paid "donate"-version with more features it advertised within the app.

Picocrypt NG (new generation) is a very small (hence Pico), very simple, yet very secure encryption tool that you can use to protect your files. It's designed to be the go-to tool for file encryption, with a focus on security, simplicity, and reliability.

Take potentially dangerous PDFs, office documents, or images and convert them to safe PDFs

Find your Device with an SMS or online with the help of FMDServer. This applications goal is to track your device when it's lost and should be a secure open source application and a alternative to Googles FindMyDevice.