Softwr

Cybersecurity · head to head

Mimecast vs OpenGov

Mimecast logo

Mimecast

Cybersecurity

Email and collaboration security

From
$4/month
Free plan
No
Full reviewWebsite
OpenGov logo

OpenGov

Government

Modern Cloud ERP for Government

From
$1000/month
Free plan
No
Full reviewWebsite

The short version

  • Each has a real cost: Mimecast no pricing is published for any product or plan, and every route ends at a quote or demo request; OpenGov custom pricing only, no transparent public pricing
  • They diverge on capability: Mimecast covers Advanced threat detection, OpenGov covers Budgeting & Planning.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which Mimecast and OpenGov actually diverge.

Attributes where Mimecast and OpenGov differ
AttributeMimecastOpenGov
Starting price$4/month$1000/month
PlatformsEmail, Cloud, CollaborationWeb
CategoryCybersecurityGovernment
Founded20032012

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 Mimecast

  • Advanced threat detection
  • Secure sharing
  • Email encryption
  • Message tracking
  • Email archiving
  • Legal hold
  • eDiscovery
  • Backup and recovery

Only in OpenGov

  • Budgeting & Planning
  • Financial Reporting
  • Permitting & Licensing
  • Asset Management
  • Transparency Portal
  • Tyler Technologies
  • Munis
  • Microsoft Excel

What people use each for

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

Mimecast

  • Email security filtering against phishing and targeted attacksnot OpenGov
  • Email archiving, continuity and compliance for organisationsnot OpenGov

OpenGov

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

Where each one falls short

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

Mimecast

  • No pricing is published for any product or plan, and every route ends at a quote or demo request
  • The platform is split into separately sold products for email security, awareness training, data protection and governance
  • Collaboration threat protection, DMARC analysis, incident response and email archiving are all further add ons on top of those

OpenGov

  • Custom pricing only, no transparent public pricing
  • No free tier available
  • Requires vendor contact for quotes

Pricing, plan by plan

Mimecast

$4/month
  • Defender$4/month
    • Per user
    • Threat protection
    • Impersonation prevention
  • Archive$3/month
    • Email archiving
    • Legal hold
    • Search & recall
  • Unified$6/month
    • All Defender features
    • All Archive features
    • Backup

OpenGov

$1000/month
  • Government Cloud$1000/month
    • Budgeting & Planning
    • Reporting & Transparency
    • Citizen Services

Which should you pick?

Choose Mimecast if

  • You need advanced threat detection.
  • You work on Email, Cloud, Collaboration.
  • You also want secure sharing.
Mimecast review

Choose OpenGov if

  • You need budgeting & planning.
  • You also want financial reporting.
OpenGov review

Questions people ask

Is Mimecast or OpenGov better?
Neither clearly leads. Mimecast starts at $4/month and OpenGov at $1000/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Mimecast or OpenGov?
Mimecast starts at $4/month and OpenGov at $1000/month.
Does Mimecast or OpenGov run on more platforms?
Mimecast runs on Email, Cloud, Collaboration. OpenGov runs on Web.
What is Mimecast best used for?
Mimecast is most often used for email security filtering against phishing and targeted attacks, email archiving, continuity and compliance for organisations. Of those, email security filtering against phishing and targeted attacks and email archiving, continuity and compliance for organisations are not what OpenGov is typically brought in for.
What can Mimecast do that OpenGov cannot?
Mimecast covers Advanced threat detection, Secure sharing, Email encryption, Message tracking. OpenGov covers Budgeting & Planning, Financial Reporting, Permitting & Licensing, Asset Management.

Answered from the vendors’ own pages

Mimecast: How much does Mimecast cost?

Mimecast does not publish pricing on its website. Customers must request a custom quote by contacting the sales team at +1 617 393 7000 or using the Get a Quote button.

Source
OpenGov: What does OpenGov provide?

OpenGov is government budgeting and planning software for municipalities and public sector organizations. It helps with budget planning, financial management, and government transparency.

Source
Mimecast: Is there a free trial of Mimecast?

Mimecast's trial and pricing options are not specified on the public website. Contact sales at +1 617 393 7000 or through their support portal at mimecastsupport.zendesk.com for trial availability.

Source
OpenGov: How much does OpenGov cost?

OpenGov pricing is custom and quote-based. There is no public pricing listed. Organizations need to contact OpenGov directly for a proposal based on their specific needs.

Source
OpenGov: Is there a free tier?

No. OpenGov does not offer a free plan. Pricing requires direct vendor contact and is procurement-led.

Source
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