OpenMSP
Tenzir logo

Tenzir

Security Information and Event Mgmt. (SIEM)

Open Source
Free Tier
Free Tier
E
Enterprise
Self-hosted
OpenMSP Score
31
6
Reddit Impact Score
Github Score
43M
746Stars
105Forks
28KCommits
BSD 3-Clause "New" or "Revised" LicenseLicense
Jul 6, 2026Last commit

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Open source security data pipeline for collecting, transforming, and analyzing security telemetry More detailed information about this vendor will be added soon.
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Key Features

Security Data Pipelines

Purpose-built data pipeline engine for security teams with native operators for detection, enrichment, and threat intelligence

Tenzir Query Language (TQL)

Powerful yet simple pipeline language for data collection, routing, processing, and enrichment with live and retro execution

Open Standards Integration

Built on Apache Arrow, Parquet, SIGMA, and STIX standards with extensive connector library for security tools

Cost Optimization

Reduces SIEM, cloud, and data costs by 30-50% through intelligent data routing and processing at the edge

Federated Architecture

Multi-node pipeline management enabling federated detection and response architectures across organizations

Pros and Cons

Pros

Security-Native Design

First data pipeline solution purpose-designed for security use cases with native detection and enrichment operators

Open Source Foundation

Open-core platform built on open standards, avoiding vendor lock-in and enabling customization

Significant Cost Savings

Customers report 30-50% reduction in SIEM ingestion costs and overall data processing expenses

Rapid Deployment

Pre-built pipeline modules and OCSF mappings enable deployment in hours instead of weeks

Cons

Emerging Platform

Relatively new platform with smaller ecosystem compared to established data pipeline solutions

Security Focus Limitation

Specialized for security use cases, may not be suitable for general-purpose data processing needs

Learning Curve

TQL and pipeline concepts require learning new syntax and methodology for data operations

Limited Enterprise Features

Enterprise edition features and pricing not fully transparent, requiring sales engagement

Feature Comparison

Comments

Armina RustamiSecureFlow Hub

Armina Rustami • SecureFlow Hub

Jun 25, 2025

Powerful security data pipeline

Tenzir handles security telemetry collection and analysis well across client environments. Data transformation capabilities are flexible and performance is solid.

Daniel ScottTechGuard MSP

Daniel Scott • TechGuard MSP

Jun 22, 2025

Good for security analytics

Using Tenzir for client security data processing. Open source model is appealing and pipeline flexibility helps with diverse data sources. Learning curve exists.

Mila HorvatDataFlow Hub

Mila Horvat • DataFlow Hub

Jun 19, 2025

Effective data transformation

Tenzir processes large volumes of security data effectively. Real-time capabilities work well and integration options are comprehensive. Documentation could improve.

Frequently Asked Questions

Getting Started

OpenMSP is The MSP Knowledge Hub & Community Platform designed specifically for Managed Service Providers seeking to optimize their technology stack, reduce vendor costs, and discover open-source alternatives. We combine a comprehensive vendor directory, open-source solution catalog, and integrated community discussions to help MSPs make informed decisions.
Yes, completely free. Browse vendors and tools, read comparisons, and join community discussions - no cost, no registration required. OpenMSP is community-supported and focused on empowering MSPs to reduce costs and improve operational efficiency through open-source technology.
We help MSPs identify cost-effective alternatives to expensive commercial solutions, provide transparent vendor information, and connect you with proven open-source alternatives. Our platform enables MSPs to make informed decisions about their technology investments.
No account required for browsing vendors, reading comparisons, or accessing community content. Creating a free account with SSO (Microsoft, Google, or Slack) allows you to participate in discussions and save your favorite tools.

Platform Information

OpenMSP is currently community-supported. We focus on providing value to the MSP community first. Any future monetization will keep the core platform free for MSPs while maintaining our independence and commitment to unbiased information.
We focus exclusively on MSP needs with transparent vendor information and open-source alternatives. No vendor partnerships or sponsored listings - just honest, community-driven information to help MSPs make better technology decisions. Our biggest value is our community where MSPs help each other with questions, setup guidance, and sharing real-world experiences.
Our community of MSP professionals helps verify and update information. We also maintain direct research on tools and vendors to ensure accuracy. Community members can report outdated information, and we work to keep everything current.
OpenMSP was founded by Michael Assraf, who has extensive experience in the MSP industry and product leadership. As the former CEO & Founder of Vicarius, Michael grew a startup from $0 to $9M ARR with 500+ customers and deep experience working with MSPs, partners, and fundraising. OpenMSP represents his commitment to empowering the MSP community through better technology decisions and cost optimization.

Open-Source Tools & Alternatives

We assess tools based on active development, community size, documentation quality, production deployments by MSPs, and available support options. Tools must meet strict criteria for reliability and enterprise readiness.
Many open-source projects offer multiple support options including community forums, commercial support from vendors, professional services, and our community discussions where experienced MSPs share implementation guidance.