Best Rilevera Alternatives & Competitors in 2026

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.

FalconForce FalconDash

Open-source Azure workbook for visualizing and tuning Sentinel detection performance

Anvilogic AI SOC

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

RuleCheck

Automated QA tool for Elastic Security detection rules and queries.

YaraDbg

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

LogCraft Detection Engineering

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

SOC Prime Threat Detection Marketplace

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

Sesame IT HOSHI

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

Sigma Query

Searchable repository of Sigma detection rules for threat hunting and SIEM

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.

detections.ai Detections

Community platform for sharing and creating detection rules with AI

SOC Prime Uncoder AI

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

Red Canary Threat Intelligence

Threat intelligence service providing threat profiles and analytics for MDR

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.

Leonidas

A framework for executing cloud attacker tactics, techniques, and procedures (TTPs) that can generate APIs, Sigma detection rules, and documentation from YAML-based definitions.

Cotool

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

Query.AI Federated Detections

Runs security detections across distributed data sources without SIEM ingestion.

Sublime Security Sublime Rules

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

statiStrings

A strings statistics calculator for YARA rules to aid malware research.

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.

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.

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.

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

AttackRuleMap

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

InQuest Labs

The Trystero Project is a threat intelligence platform that measures email security efficacy and provides various tools and resources, while VMware Carbon Black offers endpoint protection and workload security solutions.

Canadian Centre for Cyber Security CCCS YARA Specification

Define and validate YARA rule metadata with CCCS YARA Specification.

Yara-Rules Repository

Repository of YARA rules for Trellix ATR blogposts and investigations

Hyara

Hyara is a plugin that simplifies writing YARA rules with various convenient features.

YaraManager

A web-based manager for Yara rules, allowing for storage, editing, and management of Yara rules.

Splunk Attack Range

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

Google Security Operations

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

Hunters Next-Gen SIEM

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

Stamus Clear NDR Community

Open source Suricata-based NDR system with threat detection and analysis

THOR Lite

A free, fast, and flexible multi-platform IOC and YARA scanner for Windows, Linux, and macOS.

Yara Manager

A program to manage yara ruleset in a database with support for different databases and configuration options.

YAYA - Yet Another Yara Automaton

Automatically curate open-source Yara rules and run scans with YAYA.

InQuest YARA Rules

A collection of YARA rules for research and hunting purposes.

LOKI

LOKI is a simple IOC and YARA Scanner for Indicators of Compromise Detection.

Signature-Base

YARA signature and IOC database for LOKI and THOR Lite scanners with high quality rules and IOCs.

YaraGuardian

A Django web interface for managing Yara rules with features like search, categorization, and bulk edits.

Sigma

Sigma is a generic and open signature format for SIEM systems and other security tools to detect and respond to threats.