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Government · head to head

Legistar vs Nessus

Legistar logo

Legistar

Government

Legislative Management System

From
On request
Free plan
No
Full reviewWebsite
Nessus logo

Nessus

Cybersecurity

The most trusted vulnerability assessment solution

From
$4790/year
Free plan
No
Full reviewWebsite

The short version

  • Each has a real cost: Legistar pricing is not published; sold by quote through a sales process; Nessus nessus Professional is $4,790 for one year, with no free or low cost commercial tier
  • They diverge on capability: Legistar covers Legislation Tracking, Nessus covers Vulnerability scanning.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Legistar and Nessus actually diverge.

Attributes where Legistar and Nessus differ
AttributeLegistarNessus
Starting priceOn request$4790/year
Pricing modelquotesubscription
PlatformsWebDesktop, Api
CategoryGovernmentCybersecurity
Founded19992002

Identical on both: free tier (No), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Legistar

  • Legislation Tracking
  • Meeting Agendas
  • Voting Records
  • Public Portal
  • Document Management
  • Video Streaming
  • Microsoft Office
  • Records Systems

Only in Nessus

  • Vulnerability scanning
  • Configuration auditing
  • Malware detection
  • Web application scanning
  • Cloud scanning
  • Compliance checks
  • Patch auditing
  • Pre-built policies

What people use each for

The jobs each tool is most often brought in to do.

Legistar

  • Legislative agenda managementnot Nessus
  • Meeting management and video processesnot Nessus
  • Public records managementnot Nessus
  • Government transparencynot Nessus

Nessus

  • Vulnerability scanning for individual practitionersnot Legistar
  • Enterprise vulnerability managementnot Legistar
  • Web application security assessmentsnot Legistar

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Legistar

  • Pricing is not published; sold by quote through a sales process

Nessus

  • Nessus Professional is $4,790 for one year, with no free or low cost commercial tier
  • Multi year terms are the only discount route, at $9,330.95 for two years and $13,637.54 for three
  • It is a single user scanner, so team workflows mean migrating to another Tenable product
  • Tenable One vulnerability management is priced separately, starting at $3,500 a year for 100 assets

Pricing, plan by plan

Legistar

On request

No published plan breakdown. See the Legistar review.

Nessus

$4790/year
  • Nessus Professional$4790/year
    • 1 year license
    • Best for individual security professionals
  • Nessus Professional 2-Year$9330.95/2 years
    • 2 year license with discounted rate vs. annual
  • Nessus Professional 3-Year$13637.54/3 years
    • 3 year license with discounted rate vs. annual
  • Nessus Expert$6790/year
    • 1 year license
    • Enhanced capabilities vs. Professional

Which should you pick?

Choose Legistar if

  • You need legislation tracking.
  • You also want meeting agendas.
Legistar review

Choose Nessus if

  • You need vulnerability scanning.
  • You work on Desktop, Api.
  • You also want configuration auditing.
Nessus review

Questions people ask

Is Legistar or Nessus better?
Neither clearly leads. Legistar starts at On request and Nessus at $4790/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Legistar or Nessus?
Legistar starts at On request and Nessus at $4790/year.
Does Legistar or Nessus run on more platforms?
Legistar runs on Web. Nessus runs on Desktop, Api.
What is Legistar best used for?
Legistar is most often used for legislative agenda management, meeting management and video processes, public records management, government transparency. Of those, legislative agenda management and meeting management and video processes are not what Nessus is typically brought in for.
What can Legistar do that Nessus cannot?
Legistar covers Legislation Tracking, Meeting Agendas, Voting Records, Public Portal. Nessus covers Vulnerability scanning, Configuration auditing, Malware detection, Web application scanning.

Answered from the vendors’ own pages

Nessus: What is the cheapest Nessus option?

Nessus Professional starts at $4,790 per year for a 1-year license. Multi-year commitments offer discounts, with 2-year licenses at $9,330.95 and 3-year licenses at $13,637.54.

Source
Nessus: What is the difference between Nessus Professional and Expert?

Nessus Expert costs $6,790 per year for a 1-year license (compared to $4,790 for Professional) and includes enhanced capabilities. Multi-year rates are available at discounted prices.

Source
Nessus: Does Nessus offer optional support or training?

Yes, Nessus offers add-on services: Advanced Support at $400/year provides 24x365 access to phone, email, community, and chat support. On-Demand Training costs $275/year for Fundamentals course access or $385/year for both Fundamentals and Advanced courses.

Source
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