Atlantis vs Nessus Comparison
Atlantis
Starting at Free free
- Small Business
- Mid-Market
Atlantis is an open-source Terraform pull request automation tool that runs Terraform plan and apply operations from GitHub, GitLab, and Bitbucket pull requests. When a PR is opened touching Terraform files, Atlantis aut…
Nessus
Starting at $2,790 /Year
- Free Trial
- Large Enterprises
- Medium Business
Nessus is a vulnerability scanner of its kind, giving user a complete picture of organization's security status. Instantly scan thousands of systems for the latest vulnerabilities and react to them in real time. Nessus m…
Atlantis leads on user satisfaction with a 4.5-star rating across 290 reviews.
Atlantis vs Nessus — at a glance
| Feature | Atlantis | Nessus |
|---|---|---|
| Rating | 4.5 / 5 | 4.3 / 5 |
| Reviews | 290 | 144 |
| Starting price | Free free | $2,790 /Year |
| Free trial | No | Yes |
| Free version | No | No |
| Best for | Small Business, Mid-Market, Enterprise | Large Enterprises, Medium Business, Small Business |
| Category | Cloud Management Platform | Vulnerability Management Software |
| Platforms | On-Premise, Linux, Cloud | SaaS/Web/Cloud, Installed - Windows, Installed - Mac |
| API | Available | — |
| Support modes | GitHub Issues, Community Slack, Documentation | 24/7 (Live rep), Online |
| Data residency | — | US |
Key differences between Atlantis and Nessus
- Pricing: Atlantis starts at Free free, while Nessus starts at $2,790 /Year.
- Free trial: Nessus offers a free trial; Atlantis does not.
- Target audience: Atlantis is built for Small Business and Mid-Market, while Nessus targets Large Enterprises and Medium Business.
- User satisfaction: Atlantis scores higher with a 4.5-star average.
- Deployment: Atlantis supports On-Premise, Linux, Cloud; Nessus supports SaaS/Web/Cloud, Installed - Windows, Installed - Mac.
Atlantis vs Nessus — find the better fit before you commit.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most Cloud Management Platform tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
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Atlantis vs Nessus: Biggest differences
Start here before you go deeper into features.
Small Business, Mid-Market, Enterprise
Best for comprehensive, flexible vulnerability scanning across diverse IT environments.
- You need accurate, up-to-date vulnerability detection with automated scanning and reporting.
- Your team values a user-friendly interface that supports both agent-based and credentialed scans.
- You require scalable vulnerability management with flexible licensing for any organization size.
- You need extensive third-party integrations beyond core vulnerability scanning capabilities.
- Your workflows demand highly customizable reporting without complex setup or cumbersome configuration.
Atlantis typically suits Small Business and Mid-Market. Nessus tends to fit Large Enterprises and Medium Business better. The right choice depends on your team size, workflow, and whether a free trial matters.
Description | Atlantis is an open-source Terraform pull request automation tool that runs Terraform plan and apply operations from GitHub, GitLab, and Bitbucket pull requests. When a PR is opened ... Read More about Atlantis | Nessus is a vulnerability scanner of its kind, giving user a complete picture of organization's security status. Instantly scan thousands of systems for the latest vulnerabilities and react ... Read More about Nessus |
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Entry Level Pricing |
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Free Trial Availability |
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SpotScoreWhat's this? ↗ | 9.0/10 | Not Available |
User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | — | Small BusinessLarge Enterprises |
Get pricing help | Get pricing help |
Where each option fits best
See where each product is strongest, which teams it fits, and what causes buyers to keep looking — before you commit.
Based on buyer reviews and verified product data collected by Spotsaas.
Key strengths
- Terraform Review in the Code Review: Plan output in PR comments means reviewers see infrastructure changes alongside code changes — keeping IaC review in the existing GitHub workflow.
- Zero State Corruption: Workspace locking serializes applies — only one apply runs per workspace at a time, preventing the concurrent-apply state corruption that plagues team Terraform.
- Audit Trail in Git: Every plan and apply is tied to a PR, commit, and GitHub user — complete audit history of who changed what infrastructure and when.
No key benefits available yet.
Best fit
- DevOps teams implementing Terraform PR workflows without the operational overhead of Terraform Cloud or managed platforms
- Engineering teams preventing concurrent Terraform state corruption through workspace locking in multi-engineer environments
- Platform teams providing developers self-service infrastructure deployment via PR-comment-driven apply without giving direct Terraform access
No best-fit guidance available yet.
Software Demo
Demo |
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How do Atlantis and Nessus Compare on Features?
Total Features | 3 Features | 6 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare Atlantis and Nessus on pricing
Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.
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Pricing Page | Pricing information not available |  |
Atlantis vs Nessus: Other Details
Organization Types supported |
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Platforms Supported |
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API Support |
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Get help choosing | Get help choosing |
Atlantis vs Nessus Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
Data Residency | — | 🇺🇸 US |
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Atlantis User Reviews & Rating Comparison
User Ratings | 4.5 (based on 290 reviews) | |
|---|---|---|
Rating Distribution | ||
Spotsaas Editor’s POV generated by AI | Buyer sentiment Buyer sentiment is very strong across 290 reviews, with consistently positive feedback. What buyers like
Common complaints
| Buyer sentiment Overall positive sentiment highlights Nessus’s strong vulnerability detection and user-friendly interface, tempered by occasional scan inconsistencies and limited marketplace options. What buyers like
Common complaints
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Pros and Cons |
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Positive Reviews | No reviews available for the product | No reviews available for the product |
Atlantis and Nessus Customers
Customers | No Customers information available. |  VMware  DocuSign  American Eagle Outfitters |
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Media and Screenshots
Screenshots | No screenshots available. |  5 Screenshots |
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Videos | No videos available. |  3 Videos |
Top Alternatives to Atlantis and Nessus in 2026
Alternatives | No Alternative products available. |
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Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
Frequently asked questions
- Which is better, Atlantis or Nessus?
- Atlantis edges out the other on user ratings (4.5 vs 4.3). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do Atlantis and Nessus offer a free trial?
- Nessus offers a free trial. Atlantis does not.
- What is the starting price of Atlantis vs Nessus?
- Atlantis starts at Free free. Nessus starts at $2,790 /Year.
- What are the top alternatives to Nessus?
- Top alternatives to Nessus include Tenable.io, BeyondTrust Vulnerability Management, Qualys VM, Microsoft Threat Vulnerability Management, Flexera Software Vulnerability Management.