Best Leonidas Alternatives & Competitors in 2026

SOC Prime Threat Detection Marketplace

Threat detection marketplace with Sigma rules for SIEM and shift-left detection

SOC Prime Uncoder AI

IDE for detection engineering with cross-platform translation for 65+ SIEM/EDR/XDR

LogCraft Detection Engineering

Detection-as-code platform for managing detection rules across SIEM/EDR/XDR

detections.ai Detections

Community platform for sharing and creating detection rules with AI

Query.AI Federated Detections

Runs security detections across distributed data sources without SIEM ingestion.

Sesame IT HOSHI

Curated attack use case platform that feeds threat scenarios into Jizô AI.

Rilevera

AI platform for continuous detection rule validation, optimization & governance.

Anvilogic AI SOC

AI-powered SOC platform for detection engineering across SIEMs & data lakes

Sigma Query

Searchable repository of Sigma detection rules for threat hunting and SIEM

AttackRuleMap

A mapping tool that correlates MITRE ATT&CK techniques with atomic tests

The Threat Hunter Playbook

A community-driven open source project providing interactive notebooks with detection logic, adversary tradecraft, and resources organized according to MITRE ATT&CK framework for threat hunting and detection development.

Dorothy

Dorothy is a tool to test monitoring and detection capabilities for Okta environments, with modules mapped to MITRE ATT&CK® tactics.

EQL Analytics Library

A library of event-based analytics written in EQL to detect adversary behaviors identified in MITRE ATT&CK, providing detection rules for the Elastic Stack.

Splunk Attack Range

An open-source platform that builds instrumented environments, simulates attacks, and integrates with Splunk for detection rule development and testing.

Red Canary Threat Intelligence

Threat intelligence service providing threat profiles and analytics for MDR

Cotool

AI agent platform for SecOps automation, detection tuning, and threat hunting

Defender Lens

Turn Any Threat into a Detection Rule

Fig Security Operations Resilience

SOC resilience platform detecting & repairing drift in detection rules and pipelines.

Spectrum

Early-access threat detection platform targeting static & manual detection gaps.

1stProtect.ai

Runtime enforcement platform with 22 modules on one SIGMA engine, offline-capable.

Sublime Security Sublime Rules

Open-source detection rules for email attacks like BEC, phishing, and malware

Canadian Centre for Cyber Security CCCS YARA Specification

Define and validate YARA rule metadata with CCCS YARA Specification.

YaraDbg

A free web-based Yara debugger for security analysts to write hunting or detection rules with ease.

BinaryAlert

BinaryAlert is an open-source serverless AWS pipeline that automatically scans files uploaded to S3 buckets with YARA rules and generates immediate alerts when malware is detected.

YLS Language Server for YARA Language

YLS Language Server for YARA Language with comprehensive features and Python 3.8 support.

HAWK

HAWK is a multi-cloud antivirus scanning API that uses CLAMAV and YARA engines to detect malware in AWS S3, Azure Blob Storage, and GCP Cloud Storage objects.

Detection Content Repository

Repository for detection content with various types of rules and payloads.

Detection Rules

Home for rules used by Elastic Security with code for unit testing, Kibana integration, and Red Team Automation.

event-generator

A testing tool that generates suspect actions to validate and test Falco runtime security monitoring rulesets.

Falco Rules

A repository of officially managed detection rules for the Falco runtime security monitoring system that identifies threats, abnormal behaviors, and compliance violations through syscall and container event analysis.

Alterix

Converts Sigma and Yara rules to CRYPTTECH's SIEM query language.

Rapid7 Labs Repository

A curated collection of Sigma & Yara rules and Indicators of Compromise (IOCs) for threat detection and malware identification.

Splunk Security Content

Access a repository of Analytic Stories and security guides mapped to industry frameworks, with Splunk searches, machine learning algorithms, and playbooks for threat detection and response.

Matano Open Source Security Data Lake

An open source cloud-native security data lake platform for AWS that normalizes security logs into structured data with Detection-as-Code capabilities and vendor-neutral storage using open standards.

Google Security Operations

Cloud-native SIEM, SOAR, and threat intel platform for SecOps teams

Binary Defense Threat Hunting

A managed security service that uses hypothesis-based threat hunting to proactively discover hidden threats, create new detection rules, and improve overall security posture.

Axur AI-Powered Cyber Threat Intelligence

AI-powered cyber threat intelligence platform with real-time monitoring

Hunters Next-Gen SIEM

Next-gen SIEM with AI-powered triage, automated investigation & detection

Pathlock Role Management

Automates role management across enterprise apps with SoD analysis and compliance

CardinalOps Threat-Informed Detection Engineering

AI-powered platform that automates detection engineering to expand SIEM & EDR coverage.

aDolus FACT - Malware Detection

FACT detects malware & ransomware in packages using AV scans & YARA rules.

Atomicorp Atomic ModSecurity Rules & WAF

ModSecurity-based WAF ruleset for detecting and blocking web app attacks.

Cythereal MAGIC™

Malware hunting platform that auto-generates YARA rules from shared code analysis.

Cythereal MAGIC EWS

Analyzes stopped attacks to auto-generate YARA rules and IoCs against APTs.

Tenzir TQL

Security data pipeline platform with a query language for log normalization and

PhishingKit-Yara-Rules

A StalkPhish Project YARA repository for Phishing Kits zip files.

OCyara

OCyara performs OCR on images and PDF files to extract text content and scan it against Yara rules for malware detection.

Yara Pattern Scanner

A Windows context menu integration tool that scans files and folders for malware patterns, crypto signatures, and malicious documents using Yara rules and PEID signatures.