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Developer Tools · head to head

CLion vs Mimecast

CLion logo

CLion

Developer Tools

A cross-platform IDE for C and C++

From
Free
Free plan
Yes
Full reviewWebsite
Mimecast logo

Mimecast

Cybersecurity

Email and collaboration security

From
$4/month
Free plan
No
Full reviewWebsite

The short version

  • Only CLion has a free tier, so it costs nothing to try first.
  • Each has a real cost: CLion specific subscription pricing not listed on product page; Mimecast no pricing is published for any product or plan, and every route ends at a quote or demo request
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which CLion and Mimecast actually diverge.

Attributes where CLion and Mimecast differ
AttributeCLionMimecast
Starting priceFree$4/month
Pricing modelfreemiumsubscription
Free tierYesNo
PlatformsWebEmail, Cloud, Collaboration
CategoryDeveloper ToolsCybersecurity
FoundedUnknown2003

Identical on both: 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 CLion

Nothing recorded that Mimecast does not also cover.

Only in Mimecast

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

What people use each for

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

CLion

  • C and C++ development with real-time analysisnot Mimecast
  • Embedded systems and ARM toolchain developmentnot Mimecast
  • Remote development via Docker and WSLnot Mimecast
  • Educational programming instructionnot Mimecast
  • Cross-platform development for Linux and Windowsnot Mimecast

Mimecast

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

Where each one falls short

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

CLion

  • Specific subscription pricing not listed on product page
  • Requires reference to separate store page for tier details
  • AI credits needed for integrated AI features
  • No mention of free trial for commercial 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

Pricing, plan by plan

CLion

Free
  • Free (Non-commercial)Free
    • Non-commercial use license
    • Full IDE features for hobby and open-source projects
  • Free (Educational)Free
    • Student licenses
    • Teacher licenses
    • Full IDE access for educational purposes
  • Subscription$null/month
    • Different subscription options for individuals and organizations
    • 25% discount for switching from competing products

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

Which should you pick?

Choose CLion if

  • You want to start without paying.
CLion review

Choose Mimecast if

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

Questions people ask

Is CLion or Mimecast better?
Neither clearly leads. CLion starts at Free and Mimecast at $4/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, CLion or Mimecast?
CLion has a free tier; the other does not. Paid plans start at Free for CLion and $4/month for Mimecast.
Does CLion or Mimecast run on more platforms?
CLion runs on Web. Mimecast runs on Email, Cloud, Collaboration.
Can I use CLion for free?
Yes. CLion has a free tier, so you can try it without paying. Mimecast starts at $4/month.
What is CLion best used for?
CLion is most often used for c and c++ development with real-time analysis, embedded systems and arm toolchain development, remote development via docker and wsl, educational programming instruction. Of those, c and c++ development with real-time analysis and embedded systems and arm toolchain development are not what Mimecast is typically brought in for.
What can CLion do that Mimecast cannot?
Mimecast covers Advanced threat detection, Secure sharing, Email encryption, Message tracking.

Answered from the vendors’ own pages

CLion: Is CLion free?

CLion offers free licenses for students, teachers, and non-commercial use. Commercial users can purchase subscriptions with organization pricing available.

Source
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
CLion: What free options does CLion provide?

CLion provides non-commercial use licenses for open-source and hobby projects, plus full licenses for students and teachers without cost.

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
CLion: Does CLion include AI assistance?

Yes, CLion natively integrates AI with support for Claude, GPT, Gemini, and Grok models. Users can apply JetBrains AI credits or bring their own API keys to avoid vendor lock-in.

Source
CLion: Are there discounts for switching to CLion?

CLion offers a competitive discount of 25% for users switching from other IDEs and similar products.

Source
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