Softwr

Government · head to head

OpenCities vs Tenable

OpenCities logo

OpenCities

Government

Digital Government Experience Platform

From
$500/month
Free plan
No
Full reviewWebsite
Tenable logo

Tenable

Cybersecurity

AI-powered exposure management platform for unified security visibility

From
$3500/year
Free plan
No
Full reviewWebsite

The short version

  • Each has a real cost: OpenCities population-based pricing model limits scalability for growing municipalities; Tenable pricing starts at $3500/year for Tenable One VM, expensive for small organizations
  • They diverge on capability: OpenCities covers Website Management, Tenable covers Unified attack surface mapping.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which OpenCities and Tenable actually diverge.

Attributes where OpenCities and Tenable differ
AttributeOpenCitiesTenable
Starting price$500/month$3500/year
PlatformsWeb, MobileCloud, Web
CategoryGovernmentCybersecurity
Founded2008Unknown

Identical on both: pricing model (subscription), 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 OpenCities

  • Website Management
  • Digital Forms
  • Search Optimization
  • Accessibility Compliance
  • Analytics
  • Salesforce
  • Microsoft 365
  • Google Analytics

Only in Tenable

  • Unified attack surface mapping
  • Exposure intelligence enrichment
  • Tenable Hexa AI orchestration
  • Cloud Exposure (CNAPP)
  • OT Exposure
  • Identity Exposure
  • Vulnerability Management
  • Attack Surface Management

What people use each for

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

OpenCities

  • Citizen Servicesnot Tenable
  • Records Managementnot Tenable
  • Public Safetynot Tenable
  • Civic Engagementnot Tenable

Tenable

  • Comprehensive vulnerability scanning for enterprise networksnot OpenCities
  • Cloud security monitoring and compliance for AWS, Azure, GCPnot OpenCities
  • Identity and access management risk assessmentnot OpenCities
  • Operational technology security for industrial systemsnot OpenCities
  • Attack surface management for third-party risknot OpenCities

Where each one falls short

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

OpenCities

  • Population-based pricing model limits scalability for growing municipalities
  • No self-hosted or on-premises deployment option
  • Limited code customization without vendor support

Tenable

  • Pricing starts at $3500/year for Tenable One VM, expensive for small organizations
  • Many enterprise features require custom quote and sales engagement
  • Cloud Exposure, OT Exposure, and other modules have no published pricing
  • Multi-year contracts common, limiting flexibility
  • Setup and configuration complexity for enterprise deployments

Pricing, plan by plan

OpenCities

$500/month
  • Government Platform$500/month
    • Website CMS
    • Digital Forms
    • Accessibility

Tenable

$3500/year
  • Tenable One Vulnerability Management$3500/year
    • Per 100 assets
    • Multi-year discounts available
  • Tenable One Web App Scanning$3578/year
    • Per 5 FQDNs
    • Annual subscription
  • Nessus Professional$4790/year
    • Vulnerability scanning
    • Multi-year discounts available
    • Optional advanced support: $400/year
  • Nessus Expert$6790/year
    • Advanced vulnerability scanning
    • Multi-year discounts available
    • Optional advanced support: $400/year

Which should you pick?

Choose OpenCities if

  • You need website management.
  • You work on Web, Mobile.
  • You also want digital forms.
OpenCities review

Choose Tenable if

  • You need unified attack surface mapping.
  • You work on Cloud, Web.
  • You also want exposure intelligence enrichment.
Tenable review

Questions people ask

Is OpenCities or Tenable better?
Neither clearly leads. OpenCities starts at $500/month and Tenable at $3500/year, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, OpenCities or Tenable?
OpenCities starts at $500/month and Tenable at $3500/year.
Does OpenCities or Tenable run on more platforms?
OpenCities runs on Web, Mobile. Tenable runs on Cloud, Web.
What is OpenCities best used for?
OpenCities is most often used for citizen services, records management, public safety, civic engagement. Of those, citizen services and records management are not what Tenable is typically brought in for.
What can OpenCities do that Tenable cannot?
OpenCities covers Website Management, Digital Forms, Search Optimization, Accessibility Compliance. Tenable covers Unified attack surface mapping, Exposure intelligence enrichment, Tenable Hexa AI orchestration, Cloud Exposure (CNAPP).

Answered from the vendors’ own pages

OpenCities: Does OpenCities work offline?

No, OpenCities is a cloud-based SaaS platform that requires an internet connection. All editing and management is done through web browsers.

Source
Tenable: How is Tenable One pricing structured?

Tenable One Vulnerability Management costs $3500/year per 100 assets. Web App Scanning is $3578/year per 5 FQDNs. Multi-year discounts are available.

Source
OpenCities: What accessibility standards does OpenCities meet?

OpenCities is maintained to comply with WCAG AA requirements, ensuring equitable access to government services and information for all residents.

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

Nessus Professional costs $4790/year and provides core vulnerability scanning. Nessus Expert costs $6790/year and offers advanced scanning capabilities.

Source
OpenCities: Can I integrate OpenCities with other government systems?

Yes. OpenCities integrates with Google Analytics, govDelivery for notifications, EngagementHQ for feedback collection, Legistar for meeting management, and Active Directory for intranet workflows.

Source
Tenable: Are custom support and training available for Tenable?

Yes. Optional advanced support is available for $400/year. Training courses range from $275-$385/year.

Source
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