The Best RustNet Alternatives in 2026

Analyze and reverse engineer software with radare2, a Unix-like framework and command-line toolkit.

Configure DNS over HTTPS in curl, the command-line transfer tool and library.

Configure network activity rules through Windows Filtering Platform with Simplewall.

Monitor network traffic with Sniffnet, a desktop network analysis application.

Manage GnuPG keys from a terminal with gpg-tui, a text-based key management interface.

pyWhat identifies items such as email addresses and IPs from text or packet captures, according to its project description.

Set network rules by application or globally with Fort Firewall for Windows.

Scan TCP ports with masscan, an asynchronous scanner designed for large network ranges.

Scan applications, APIs, networks, DNS, and cloud configurations for vulnerabilities using Nuclei.

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

git-hound searches public GitHub repositories for exposed secrets and credentials.

Use reference sheets for reverse engineering, binary analysis, and assembly programming tools.

Practice iOS penetration testing in a deliberately vulnerable app, with exercises covering vulnerabilities tested through iOS 11.

Scan IP addresses and ports concurrently with rang3r, a multithreaded scanner.

Inspect iOS and macOS applications with Malimite, a decompiler project hosted on GitHub.

Create locally trusted development certificates for arbitrary names with mkcert.

Add a proof-of-work CAPTCHA system to an application using the mCaptcha backend component.

Plexiglass helps detect and protect against vulnerabilities in large language models.

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.

Security and best-practice issues in container images can be checked with Dockle.

AllSafe provides an intentionally vulnerable Android app for security testing and practice.

Browse a curated collection of information security tools, links, and learning resources.

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