Best Terrascan alternatives in 2026
8 direct alternatives to Terrascan, compared on pricing, features, and best-for use cases. Pick the right replacement without the marketing fluff.
LCCurated by Louis Corneloup · UpdatedWhy people consider alternatives to Terrascan
Terrascan is an open-source security scanner designed to detect compliance and security violations in Infrastructure as Code (IaC) configurations. Teams most often switch away when one of these starts to bite:
- •Pricing at scale (rare for this tool, but feature limits push teams out)
- •Missing integrations with the rest of your stack.
- •Performance or scale limits as your needs grow.
- •A specific feature gap you have hit in security.
The 8 alternatives below cover the same core job (security) with different trade-offs. Ranked by real-signal score: G2 and Capterra ratings, media mentions, and editor review. No paid placement.
8 alternatives to Terrascan
Ranked by real-signal composite (rankingScore + community + reviews) and direct relevance to Terrascan.
- 1
Aqua Security
PaidCloud native security for containers and Kubernetes
Direct alternative4.2(57)Compare Terrascan vs Aqua Security → - 2
Infracost
FreemiumShift FinOps Left: Proactively find and fix cloud cost issues before deployment.
Direct alternativeCompare Terrascan vs Infracost → - 3
tfsec
FreeSecurity scanner for your Terraform code.
Direct alternativeCompare Terrascan vs tfsec → - 4
Checkov
FreeInfrastructure as code security
Direct alternativeCompare Terrascan vs Checkov → - 5
Open Policy Agent
FreeUnify policy enforcement across your entire software stack with a high-performance policy engine.
Direct alternativeCompare Terrascan vs Open Policy Agent → - 6
Azure
PaidBattle-tested at scaleMicrosoft's cloud, essential for enterprises running Windows
Direct alternative4.4(97,447)Compare Terrascan vs Azure → - 7
Proton
FreemiumBattle-tested at scaleTake control of your digital life with end-to-end encrypted communication, storage, and browsing.
Direct alternative4.7(32,118)Compare Terrascan vs Proton → - 8
TeamViewer
FreemiumBattle-tested at scaleThe platform for the digital workplace, enabling seamless remote access, support, and IT management.
Direct alternative4.6(15,579)Compare Terrascan vs TeamViewer →
Frequently asked questions
What is the best alternative to Terrascan?
Based on real-signal scoring (G2 and Capterra ratings, media mentions, and editorial review), the top alternatives to Terrascan are Aqua Security, Infracost, tfsec. Each solves the same core job with different trade-offs on pricing, features, and integrations.
Is there a free alternative to Terrascan?
Yes. Infracost is one of the freemium alternatives to Terrascan listed here (Shift FinOps Left: Proactively find and fix cloud cost issues before deployment). Other freemium options are flagged in the list below.
Why do people look for Terrascan alternatives?
Common reasons teams switch away from Terrascan: pricing that scales aggressively, missing integrations with the rest of their stack, performance or scale limits, or a specific feature gap in security. The alternatives on this page solve the same core problem with different trade-offs.
Side-by-side comparisons
In-depth comparison pages for Terrascan versus each alternative.
Still considering Terrascan?
See the full review, pricing breakdown, and community feedback before you decide.