Best PlaxidityX Security AutoDesigner Alternatives & Competitors in 2026

TTModeler Pro

Threat modeling & risk assessment tool for embedded systems and IoT.

ArgusEye

AI platform automating threat modeling & compliance for connected device makers.

C2A Security Cybersecurity DevOps Platform

Risk-driven cybersecurity DevOps platform for automotive product lifecycle

FYEO Enterprise Threat Model

Structured threat modeling & remediation service for enterprise security risk.

IriusRisk Threat Modeling Platform

Automated threat modeling platform integrating security into the SDLC.

IriusRisk Threat Modeling Tool - IaC

Auto-generates threat models from IaC files with risk & control mapping.

Apiiro AI-Powered Risk Detection

AI-powered pre-development risk detection for secure-by-design software

Heeler Runtime Threat Modeling

AI-powered continuous threat modeling for cloud applications in runtime

Curlsek AI Threat Modeling

AI-driven threat modeling for identifying security risks in design phase

Prime Security Platform

AI-driven platform for automated security design reviews and risk analysis

IriusRisk Threat Modeling

Threat modeling platform for identifying & managing software security risk by design.

ThreatModeler

Enterprise threat modeling platform for apps, cloud, and IaC.

Avocado Reveal

Automated runtime threat modeling tool for DevSecOps pipelines.

ThreatModel for Amazon S3

A comprehensive library documenting Amazon S3 attack scenarios and risk-based mitigation strategies for cloud storage security.

Seezo Security Design Reviews

Automated security design review platform for developers

GrammaTech ConfINE

Framework for modeling access control and attack graphs in networked systems

Avertro Threat Modeling and Simulation

AI-driven threat modeling & simulation platform using MITRE ATT&CK framework

Prime Security

Scans development plans to identify design flaws before implementation.

Cytix Change Analysis Tool

AI-powered tool that analyzes dev tickets for security risks.

IriusRisk AI Threat Modeling & ML

Threat modeling library for AI/ML systems with 28 security components.

IriusRisk Threat Modeling Tool

Threat modeling tool for dev teams to identify security design flaws pre-code.

pytm

A Pythonic framework for automated threat modeling shifting left.

SeaSponge

SeaSponge is an accessible web-based threat modeling tool with a focus on accessibility, aesthetics, and intuitive user experience.

ThreatModel SDK

A minimalistic Java library for representing threat model data in a normalized way and automating threat intelligence extraction.

Prime Security AI Security Architect

AI-powered security architect agent for dev teams via chat interfaces

CAPEC

CAPEC™ is a comprehensive dictionary of known attack patterns used by adversaries to exploit weaknesses in cyber-enabled capabilities.