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Alternatives

Best Nessus alternatives in 2026

Data compiled by Toolradar Updated How we rate

Cite this list: Toolradar, best Nessus alternatives 2026, toolradar.com/alternatives/nessus

13 direct alternatives to Nessus, compared on pricing, features, and best-for use cases. Pick the right replacement without the marketing fluff.

Quick answer

  • Veeam is the top alternative to Nessus on our list, followed by Otterize and Netwrix.
  • 2 of the 13 alternatives have a free plan, starting with Veeam.
  • Highest rated: Burp Suite, 4.9 out of 5 from 158 ratings, Sep 2026.
Publications that cover the tools tracked here
  • TechCrunch
  • Bloomberg
  • The Information
  • Fortune
  • The Verge
  • 13 alternatives
  • 2 with a free plan

Top 3 alternatives to Nessus

  1. Veeam logo

    Veeam

    #1 Top pick

    Unified data protection, security, and resilience for hybrid environments and AI workloads.

    Pricing

    Free plan

    4.7 /5 across G2 and Capterra · 828 ratings, Sep 2026

    Our take

    Best overall

  2. Otterize logo

    AI-native data security platform for cloud, SaaS, on-prem, and AI environments.

    Pricing

    Not published

    4.1 /5 across G2 and Trustpilot · 972 ratings, Sep 2026

  3. Netwrix logo

    Unified data security that starts with identity, protecting your organization from evolving threats.

    Pricing

    Contact sales

    4.4 /5 across Trustpilot, G2 and Capterra · 504 ratings, Sep 2026

Nessus vs 13 alternatives

Nessus and its alternatives compared on starting price (cheapest paid plan, monthly, as of November 2026), free plan and average user rating.
Nessus logo
Nessus Compared tool
Price: $399.17/mo Free plan: No 4.6 out of 5, from 402 ratings across G2 and Capterra (402)
Veeam logo
Veeam
Price: Free + paid Free plan: Yes 4.7 out of 5, from 828 ratings across G2 and Capterra (828)
Otterize logo
Otterize
Price: Not published Free plan: No 4.1 out of 5, from 972 ratings across G2 and Trustpilot (972)
Netwrix logo
Netwrix
Price: Contact sales Free plan: No 4.4 out of 5, from 504 ratings across Trustpilot, G2 and Capterra (504)
Burp Suite logo
Burp Suite
Price: $37.42/mo Free plan: No 4.9 out of 5, from 158 ratings across G2 and Capterra (158)
Teramind logo
Teramind
Price: Contact sales Free plan: No 4.6 out of 5, from 148 ratings on G2 (148)
SecurityScorecard logo
SecurityScorecard
Price: Free + paid Free plan: Yes 4.3 out of 5, from 103 ratings across G2 and Capterra (103)
Varonis logo
Varonis
Price: Not published Free plan: No 4.6 out of 5, from 88 ratings on G2 (88)
Mosyle logo
Mosyle
Price: $1/mo Free plan: No 4.7 out of 5, from 56 ratings on G2 (56)
CSPi Network logo
CSPi Network
Price: Not published Free plan: No 4.3 out of 5, from 67 ratings on SourceForge (67)
Checkmarx logo
Checkmarx
Price: Contact sales Free plan: No 4.1 out of 5, from 56 ratings across G2 and Capterra (56)
CloudSploit logo
CloudSploit
Price: Contact sales Free plan: No n/a
Terra Security logo
Terra Security
Price: Not published Free plan: No n/a
IP Fabric logo
IP Fabric
Price: Contact sales Free plan: No n/a

Why people consider alternatives to Nessus

Nessus scans for vulnerabilities across networks and systems. The scanner security professionals have used for decades-vulnerability assessment that's proven. The scanning is comprehensive. The database is current.

Teams most often switch away when one of these starts to bite:

  • A feature or quota ceiling that a paid specialist covers and this free tool does not.
  • 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 13 alternatives below cover the same core job (security) with different trade-offs.

Nessus by the numbers

Toolradar data: Its head-to-head comparison pages had 69 visits in the last 30 days, ranking #2 of 10 tools with 20+ compare-page visits in Vulnerability Scanning. As of Nov 2026.

Nessus compared with 23 Vulnerability Scanning tools on Toolradar, as of Nov 2026
Metric Nessus Peer median Position (1 is best)
Free plan Yes 13 of 23 have one n/a
Listed as an alternative to 10 tools 3 #4 of 23 (joint)
User rating 4.6/5 (across the web, 402 ratings) 4.6/5 #4 of 10 (joint) tools with 20+ reviews
Compare-page visits, last 30 days 69 visits 26 #2 of 10 tools with 20+ compare-page visits

Visitors most often compare Nessus with Qualys, Burp Suite and Wazuh (last 30 days, Nov 2026).

Listed as an alternative to: #5 on 2026-10-16 to #4 on 2026-11-03 (rank among 23 tools, 1 is best).

Each position is counted among the tools that have data for that row, as noted under it. All Vulnerability Scanning data · How we compute this. Advertising and placement fees are not inputs to any position. Visit counts include visits from every source.

Cite this: Toolradar, “Nessus by the numbers”, Nov 2026.

Security leaderboards from Toolradar data

Toolradar ranks Security tools on one measure at a time, only where at least 8 tools have data. As of Nov 2026.

CSV download of these Security leaderboards, licensed CC BY 4.0

Lowest entry price, plans with no stated unit

Cheapest standard paid plan per month (annual prices divided by 12), read on vendor pages and compared only with tools priced on the same basis.

Counted among 160 tools with no stated price unit, verified price.

Lowest entry price, plans with no stated unit, Security tools on Toolradar, as of Nov 2026
# Tool Entry plan
1 HashiCorp Vault $0.50/mo, billed monthly
2 Runbox $0.66/mo, billed yearly
3 uTerminal $0.83/mo, billed yearly
4 Alive $0.99/mo, billed monthly
5 Addy.io $1/mo, billed yearly

Lowest entry price, per-user plans

Cheapest standard paid plan per month (annual prices divided by 12), read on vendor pages and compared only with tools priced on the same basis.

Counted among 42 tools priced per user, verified price.

Lowest entry price, per-user plans, Security tools on Toolradar, as of Nov 2026
# Tool Entry plan
1 Zoho Mail $1/user/mo, billed monthly
2 AccessOwl $1.50/user/mo, billed monthly
3 Corma $3/user/mo, billed monthly
3 Duo Security $3/user/mo, billed monthly
3 Fastmail $3/user/mo, billed monthly

Lowest entry price, flat team plans

Cheapest standard paid plan per month (annual prices divided by 12), read on vendor pages and compared only with tools priced on the same basis.

Counted among 23 tools priced as a flat team plan, verified price.

Lowest entry price, flat team plans, Security tools on Toolradar, as of Nov 2026
# Tool Entry plan
1 Annature $1.75/mo flat, billed yearly
2 Enpass $1.99/mo flat, billed monthly
3 Hide.me $2.50/mo flat, billed monthly
4 1Password $3.99/mo flat, billed monthly
5 Malwarebytes $5/mo flat, billed yearly

Most visited, last 30 days

Distinct visitor sessions on the tool's Toolradar page over the last 30 days, with bots excluded by our analytics. A session counts once however many times it reloads the page.

Counted among 11 tools with 50+ visits.

Most visited, last 30 days, Security tools on Toolradar, as of Nov 2026
# Tool Visits
1 Proton VPN 1,427 visits
2 Hide.me 834 visits
3 Windscribe VPN 639 visits
4 Opera 619 visits
5 ZoogVPN 365 visits

Most media coverage, last 30 days

Number of distinct articles published in the last 30 days by independent press, blogs and newsletters that mention the tool. A story carried by several outlets counts once; the vendor's own blog, review sites, forums and republishing sites do not count.

Counted among 33 tools mentioned in the last 30 days.

Most media coverage, last 30 days, Security tools on Toolradar, as of Nov 2026
# Tool Articles
1 ServiceNow 21 articles
2 ConnectWise 12 articles
3 GitLab 11 articles
4 BitGo 9 articles
5 Harmonic Security 5 articles

A position exists only when at least 8 tools have data for that metric. 233 of 737 Security tools have a verified price; the others publish none we could read (often "contact sales"). Advertising and placement fees are not inputs to any position. Visit counts include visits from every source. How we compute this. Cite this: Toolradar, “Security leaderboards”, Nov 2026. Data licensed CC BY 4.0. All Security statistics.

13 alternatives to Nessus

Ranked by G2 and Capterra ratings, media mentions, and editor review, plus how directly they replace Nessus.

  1. 1
    Veeam logo

    Veeam

    Free plan

    Unified data protection, security, and resilience for hybrid environments and AI workloads.

    4.7 /5 across G2 and Capterra · 828 ratings, Sep 2026

    Free plan available; paid prices not published

  2. 2
    Otterize logo

    Otterize

    Paid

    AI-native data security platform for cloud, SaaS, on-prem, and AI environments.

    4.1 /5 across G2 and Trustpilot · 972 ratings, Sep 2026

    Price not published

  3. 3
    Netwrix logo

    Netwrix

    Paid

    Unified data security that starts with identity, protecting your organization from evolving threats.

    4.4 /5 across Trustpilot, G2 and Capterra · 504 ratings, Sep 2026

    Price not published

  4. 4
    Burp Suite logo

    Burp Suite

    Paid Higher rated by users

    Web security testing toolkit for penetration testers

    4.9 /5 across G2 and Capterra · 158 ratings, Sep 2026

    From $449/user/year

  5. 5
    Teramind logo

    Teramind

    Paid

    Turn workforce signals into predictive intelligence for insider threat detection and productivity optimization.

    4.6 /5 on G2 · 148 ratings, Mar 2026

    Price not published

  6. 6
    SecurityScorecard logo

    SecurityScorecard

    Free plan

    Detect, prioritize, and remediate vendor risk across your entire supply chain at scale.

    4.3 /5 across G2 and Capterra · 103 ratings, Sep 2026

    Free plan available; paid prices not published

  7. 7
    Varonis logo

    Varonis

    Paid

    Automated data security, posture management, and threat prevention powered by AI.

    4.6 /5 on G2 · 88 ratings, Sep 2026

    Price not published

  8. 8
    Mosyle logo

    Mosyle

    Free plan

    The only Apple Unified Platform for comprehensive device management and security.

    4.7 /5 on G2 · 56 ratings, Sep 2026

    From $1/mo, billed monthly; free plan available

  9. 9
    CSPi Network logo

    CSPi Network

    Paid

    Solving complex technology and security challenges with high-performance products and comprehensive IT services.

    4.3 /5 on SourceForge · 67 ratings, Mar 2026

    Price not published

  10. 10
    Checkmarx logo

    Checkmarx

    Paid

    Application security testing platform

    4.1 /5 across G2 and Capterra · 56 ratings, Sep 2026

    Price not published

  11. 11
    CloudSploit logo

    CloudSploit

    Paid

    Gain a complete and prioritized view of your cloud security risk in real-time.

    Price not published

  12. 12
    Terra Security logo

    Terra Security

    Paid

    Agentic AI platform for continuous penetration testing, combining AI scale with human supervision.

    Price not published

  13. 13
    IP Fabric logo

    IP Fabric

    Paid

    Build a network digital twin for total visibility and control over your entire IT estate.

    Price not published

Frequently asked questions

What is the best alternative to Nessus?

Based on real-signal scoring (G2 and Capterra ratings, media mentions, and editorial review), the top alternatives to Nessus are Veeam, Otterize, Netwrix. Each solves the same core job with different trade-offs on pricing, features, and integrations.

Is there a free alternative to Nessus?

Nessus is already 100% free. There is no other fully free alternative in this list. Veeam is freemium (free tier plus paid plans), not 100% free.

Why do people look for Nessus alternatives?

Common reasons teams switch away from Nessus even though it is free: 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 a different feature set.

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