Security & Privacy Page 9 of 148

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.

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

Manage all your passwords across all devices. Open Source password manager compatible with kdbx/keepass. Available on Android, iOS, iPadOS, MacOS, Linux and Windows. It can also be used as a cross-platform supported two factor authentication app.

Block ads system-wide on Android using local VPN-based DNS filtering. No root needed. No data collection.

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

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

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

Secure open-source backend server for web and mobile developers. Appwrite provides developers with a set of easy-to-use and integrate REST APIs to manage their core backend needs.

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...

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.

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...

Privacy Possum monkey wrenches common commercial tracking methods by reducing and falsifying the data gathered by tracking companies.

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 !

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

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...

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

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

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

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.

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.

Burp Suite is an integrated platform for performing security testing of web applications. Its various tools work seamlessly together to support the entire testing process, from initial mapping and analysis of an application's attack surface, through to finding and exploiting...

UltraSurf is a free software which enables users inside countries with heavy Internet censorship to visit any public web sites in the world safely and freely. Users in countries without internet censorship also use it to protect their internet privacy and security.

No-code platform featuring AI-powered business automations, drag-and-drop workflow builder, 110+ integrations, unified subscription, and enterprise controls.

Secure authentication management for your application. Customize as you grow, with easy APIs and programmable workflows. Focus on growing, your login is in good hands.