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Compare FOSSA and Tenable Nessus 
Featured Products
At a Glance
Market Segments
Small-Business (46.7% of reviews)
Mid-Market (39.5% of reviews)
Entry-Level Pricing
No pricing available
$3,390.00 1 License With One-Time Purchase
FOSSA
Star Rating
(15)4.2 out of 5
Market Segments
Small-Business (46.7% of reviews)
Pros & Cons
Entry-Level Pricing
No pricing available
Learn more about FOSSATenable Nessus
Star Rating
(298)4.5 out of 5
Market Segments
Mid-Market (39.5% of reviews)
Pros & Cons
Entry-Level Pricing
$3,390.00 1 License With One-Time Purchase
Free Trial is available
Browse all 4 pricing plansFOSSA vs Tenable Nessus
- Reviewers felt that Tenable Nessus meets the needs of their business better than FOSSA.
- When comparing quality of ongoing product support, reviewers felt that Tenable Nessus is the preferred option.
- When assessing product direction, FOSSA and Tenable Nessus received similar ratings from our reviewers.
Pricing
Entry-Level Pricing
FOSSA
No pricing availableTenable Nessus
Pro - 1 Year
$3,390.00
1 License With One-Time Purchase
1-year license of the industry-leading vulnerability assessment solution.
- Automate your vulnerability scanning process
Free Trial
FOSSA
Free Trial is available
Tenable Nessus
Free Trial is available
Ratings
Meets Requirements
8.5
11
9.0
246
Ease of Use
8.9
11
8.9
248
Ease of Setup
8.3
6
8.8
170
Ease of Admin
9.3
5
8.9
161
Quality of Support
8.3
9
8.4
228
Has the product been a good partner in doing business?
Not enough data
8.7
149
Product Direction (% positive)
8.9
11
8.9
237
Features by Category
Dynamic Application Security Testing (DAST)Hide 13 FeaturesShow 13 Features
Not enough data
Not enough data
Administration
Not enough data
Not enough data
Not enough data
Not enough data
Analysis
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Testing
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Performance
Not enough data
Feature Not Available
Not enough data
8.9
140
|
Verified
Not enough data
6.7
136
|
Verified
Not enough data
9.1
134
|
Verified
Network
Not enough data
8.8
135
|
Verified
Not enough data
8.8
127
|
Verified
Not enough data
8.4
111
|
Verified
Application
Not enough data
Feature Not Available
Not enough data
7.3
84
Not enough data
7.8
103
Agentic AI - Vulnerability Scanner
Not enough data
8.0
10
Not enough data
7.8
9
Functionality - Software Composition Analysis
8.8
7
Not enough data
9.2
6
Not enough data
8.8
8
Not enough data
Effectiveness - Software Composition Analysis
8.1
7
Not enough data
8.5
8
Not enough data
9.4
8
Not enough data
API Management
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Security Testing
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Security Management
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Asset Management
Not enough data
6.9
6
Not enough data
7.5
6
Not enough data
4.7
6
Monitoring
Not enough data
8.3
6
Not enough data
10.0
6
Not enough data
8.6
6
Not enough data
9.2
6
Risk Management
Not enough data
9.2
6
Not enough data
9.2
6
Not enough data
8.6
6
Not enough data
9.4
6
Generative AI
Not enough data
Not enough data
Functionality - Software Bill of Materials (SBOM)
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Management - Software Bill of Materials (SBOM)
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Cloud Visibility
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Security
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Identity
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Categories
Categories
Shared Categories
FOSSA and Tenable Nessus are categorized as Vulnerability Scanner
Unique Categories
FOSSA is categorized as Software Composition Analysis and Software Bill of Materials (SBOM)
Tenable Nessus is categorized as Attack Surface Management, Dynamic Application Security Testing (DAST), and API Security
Reviews
Reviewers' Company Size
FOSSA
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Tenable Nessus
Small-Business(50 or fewer emp.)
Mid-Market(51-1000 emp.)
Enterprise(> 1000 emp.)
Small-Business
(50 or fewer emp.)
Mid-Market
(51-1000 emp.)
Enterprise
(> 1000 emp.)
Reviewers' Industry
Computer Software
40.0%
Telecommunications
6.7%
Mechanical or Industrial Engineering
6.7%
Leisure, Travel & Tourism
6.7%
Information Technology and Services
6.7%
Other
33.3%
Information Technology and Services
25.9%
Computer & Network Security
17.0%
Financial Services
7.8%
Computer Software
6.0%
Banking
4.6%
Other
38.7%
Alternatives
Discussions
FOSSA has no discussions with answers
I'm a consultant; can I use Nessus Professional to conduct my client's vulnerability scanning?
2 Comments
AS
Yes, you can.Read more
Is Nessus professional the right product for me?
2 Comments
Official Response from Tenable Nessus
Nessus Professional has always been designed for the security professional. The typical Nessus user is a consultant or contractor who is very experienced...Read more
Can I use Nessus professional data in other applications?
2 Comments
Official Response from Tenable Nessus
Yes. Many third party applications can incorporate a Nessus file. This allows consultants to share the data with their clients’ other applications for the...Read more
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