Security Tools

Written in C++ and Qt, APK Editor Studio supports reverse engineering Android packages and editing their resources.

Consult concise notes on mobile application penetration-testing topics with this cheat sheet.

This repository curates software, libraries, books, documents, and other resources about cybersecurity.

Karma Firewall is an Android firewall that states it requires no internet permission and intercepts no allowed user traffic.

This repository organizes formal verification and model-checking resources, techniques, and tools.

The URL Decoder and Encoder converts text between encoded and decoded forms, including JavaScript URLs.

Lucia was deprecated in March 2025. The website was updated in July 2026 and points to code/auth_session.ts as a single-file replacement for the NPM package and to the Auth Book for auth information.

DNSPerf compares the performance and uptime of enterprise and commercial DNS providers.

APK Editor Studio changes Android app icons, titles, translations, and other resources on desktop computers.

The action firewall for AI agents. Enforce policy and human approval before risky tool calls, shell commands, workflows, and production changes, with auditable evidence.

Steganography Online encodes a message into an image and can decode messages from images.

Adapt this collection of contract templates for penetration testing engagements.

Set up a Windows virtual machine for reverse engineering with FLARE-VM’s software installation scripts.

Configure DNS over HTTPS on iOS and macOS using the provided configuration profiles.

Zeek analyzes network activity through an open source monitor with a flexible scripting language.

Generate two-factor authentication codes with Proton Authenticator across supported devices, including phones and computers.

Cyberthreat Real-Time Map displays a map and statistics about cyber attacks using data from listed sources.

AndroGuard provides tools for reverse engineering and penetration testing Android applications.

Browse live webcam streams from locations and events around the world.

This repository curates tools and resources for analyzing malware, including material for researchers and practitioners.

Browse Android reverse engineering training, tools, and learning resources in this curated repository.

QWED verifies LLM outputs, tool calls, code, schemas, and agent state before production execution.

SSL Labs provides tools for testing SSL and TLS configurations and related public key infrastructure.

Find community-provided plugins for the Binary Ninja reverse engineering platform.