Best Ivy Alternatives & Competitors in 2026

Havoc Framework

Open-source C2 framework for red team ops and adversary simulation.

Core Security Outflank Security Tooling

Red team toolkit for EDR evasion, initial access, and post-exploitation.

WebDAV Covert Channel

A covert channel technique that uses WebDAV protocol features to deliver malicious payloads and establish C2 communication while bypassing security controls.

pybof

PyBOF is a Python library that enables in-memory loading and execution of Beacon Object Files (BOFs) with support for argument passing and function targeting.

AggressiveProxy

Tool for enumerating proxy configurations and generating CobaltStrike-compatible shellcode.

Covenant

Covenant is a collaborative .NET command and control framework designed for red team operations and offensive security engagements.

CrossC2

CrossC2 is a cross-platform payload generator that extends CobaltStrike's capabilities to Linux and macOS environments for red team operations.

Donut

A shellcode generator that creates position-independent code for loading and executing .NET Assemblies, PE files, and Windows payloads from memory.

EvilClippy

EvilClippy is a cross-platform tool that creates malicious MS Office documents with hidden VBA macros and evasion techniques for penetration testing and red team operations.

Macro_Pack

Macro_Pack automates the generation and obfuscation of Office documents and scripts for penetration testing and security assessments.

Mystikal

A macOS Initial Access Payload Generator for penetration testing and red teaming exercises.

PoshC2

A proxy aware C2 framework for penetration testing, red teaming, post-exploitation, and lateral movement with modular format and highly configurable payloads.

ScareCrow

A payload creation framework designed to bypass Endpoint Detection and Response (EDR) systems.

SourcePoint

SourcePoint generates customizable C2 profiles for Cobalt Strike servers to enhance evasion capabilities against security defenses.

TikiTorch

TikiTorch is a process injection tool that executes code within the address space of other processes using various injection techniques.

XlsGen

A proof-of-concept tool that generates Excel BIFF8 files with embedded 4.0 macros programmatically without requiring Microsoft Excel installation.

PowerSploit

PowerSploit is a PowerShell-based penetration testing framework containing modules for code execution, injection techniques, persistence, and various offensive security operations.

fexecve harness

A collection of tools that execute programs directly in memory using various delivery methods including URL downloads and netcat connections.

Papa Shango

A Linux process injection tool that uses ptrace() to inject assembly-based shellcode into running processes without NULL byte restrictions.

SharpShooter

A payload creation framework for generating and executing C# code payloads with anti-evasion capabilities for offensive security operations.

InvalidSign

InvalidSign is a security research tool that bypasses endpoint solutions by obtaining valid signed files with different hashes to evade signature-based detection mechanisms.

tryharder

A C++ staged shellcode loader with evasion capabilities, compatible with Sliver and other shellcode sources, designed for offensive security testing.

Fortra Cobalt Strike

Threat emulation tool for adversary simulations and red team operations

GoSecure Titan® Adversarial Simulation

Human-led adversary emulation service testing detection & response capabilities

Core Security Cobalt Strike

Post-exploitation threat emulation platform for red team operations.

Core Security Bundles and Suites

Bundled offensive security suites combining pen testing, red teaming, and VM.

Dreadnode Offensive Security Agents

AI agent platform for automating offensive security operations and evals.

Red Specter Cheatsheet

CLI cheatsheet for Red Specter's 30-tool offensive security platform.

A Security

Autonomous offensive security platform that finds, validates, and remediates attack paths.

KinoSec Hades

Autonomous AI offensive cyber platform for sovereign-grade threat neutralization.

HexStrike AI MCP Agents

MCP server enabling AI agents to autonomously run 150+ security tools

MITRE Caldera™

MITRE Caldera™ is an automated adversary emulation platform built on the MITRE ATT&CK framework that supports red team operations and incident response activities through a modular C2 server and plugin architecture.

xargs

A command that builds and executes command lines from standard input, allowing for the execution of commands with multiple arguments.

RedELK

RedELK is a SIEM tool designed for red teams to monitor and receive alerts about blue team detection activities during penetration testing engagements.

AzureC2Relay

An Azure Function that validates and relays Cobalt Strike beacon traffic based on Malleable C2 profile authentication.

Brute Ratel C4

Advanced command and control tool for red teaming and adversary simulation with extensive features and evasion capabilities.

C2concealer

A command line tool that generates randomized malleable C2 profiles for Cobalt Strike to vary command and control communication patterns.

C3

C3 is a framework by WithSecureLabs for rapid prototyping of custom command and control channels that integrates with existing offensive security toolkits.

Charlotte

Charlotte is an undetected C++ shellcode launcher for executing shellcode with stealth.

CobaltBus

CobaltBus integrates Cobalt Strike with Azure Service Bus to create covert C2 communication channels for red team operations.

Domain Hunter

A reconnaissance tool that analyzes expired domains for categorization, reputation, and Archive.org history to identify candidates suitable for phishing and C2 operations.

GadgetToJScript

A tool that generates .NET serialized gadgets for triggering assembly load and execution through BinaryFormatter deserialization in JavaScript, VBScript, and VBA scripts.

Inceptor

A template-driven framework for creating custom evasion techniques to test Anti-Virus and EDR detection capabilities.

InlineWhispers

A tool for working with Direct System Calls in Cobalt Strike's Beacon Object Files (BOF) for offensive security purposes.

InvisibilityCloak

InvisibilityCloak is a proof-of-concept C# code obfuscation toolkit designed for red teaming and penetration testing to conceal post-exploitation tools from detection.

Koadic

A COM Command & Control framework that uses JScript to provide fileless remote access capabilities on Windows systems through a modular plugin architecture.

Merlin

A cross-platform HTTP/2 Command & Control framework written in Golang for post-exploitation activities and remote system management.

Modlishka

Modlishka is a reverse proxy tool for intercepting and manipulating HTTP traffic, ideal for penetration testers, security researchers, and developers to analyze and test web applications.