Caldera Pricing 2026: Plans, Costs & Free Options
Last Updated: May 2026
MITRE open-source adversary emulation platform for automated red and blue team exercises. This page breaks down Caldera's Free/OSS pricing model, what it includes, and how it compares to free alternatives in the Security Training & Simulation category.
Pricing Overview
Pricing Model
Free/OSS
This means the tool is free to use and typically open-source — you self-host it, customize it, and pay nothing for the software itself.
Is Caldera Free?
Yes, Caldera is completely free and open-source. You can download, use, and modify it without paying any license fees.
Is Caldera Worth It?
Caldera is rated 4.3/5 in our Security Training & Simulation directory and is completely free, which makes it an easy recommendation for any team that can self-host and manage their own deployment. You get full functionality without licensing costs, though you trade vendor support for community forums and documentation. For Security Training & Simulation workflows, Caldera delivers strong value, especially for individuals, students, and budget-conscious teams. The main consideration is operational overhead — you own the install, updates, and tuning. If your team has the technical capacity, Caldera is well worth adopting.
Cheaper Alternatives
If Caldera's pricing is out of budget, these Security Training & Simulation tools offer free or freemium options:
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Hack The Box Training
Freemium
Hands-on cybersecurity training with realistic labs, CTF challenges and enterprise team training.
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TryHackMe Training
Freemium
Beginner-friendly cybersecurity training with guided rooms and browser-based learning paths.
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MITRE ATT&CK Navigator
Free/OSS
Interactive tool for mapping and visualizing adversary techniques from the MITRE ATT&CK framework.
Frequently Asked Questions
How much does Caldera cost?
Caldera uses a Free/OSS pricing model. This means the tool is free to use and typically open-source — you self-host it, customize it, and pay nothing for the software itself. For exact current pricing, visit the Caldera website directly — vendors update tiers and quotas regularly.
Is there a free version of Caldera?
Yes, Caldera is completely free and open-source. You can download, use, and modify it without paying any license fees.
What are cheaper alternatives to Caldera?
In the Security Training & Simulation category, the most popular free or freemium alternatives are Hack The Box Training, TryHackMe Training, MITRE ATT&CK Navigator. Each offers a comparable feature set at lower or zero cost — see our /alternatives page for full breakdowns.