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Cybersecurity · head to head

Nessus vs Vim

Nessus logo

Nessus

Cybersecurity

Vulnerability assessment solution

From
$4790/year
Free plan
No
Visit NessusFull review
Vim logo

Vim

Developer Tools

Highly configurable text editor built to enable efficient text editing

From
Free
Free plan
Yes
Visit VimFull review

The short version

  • Vim is a highly configurable text editor.
  • Vim is free; Nessus starts at $4790/yr.
  • Only Nessus lists vulnerability scanning; only Vim lists modal editing.
  • Where Nessus falls short: Nessus Professional is $4,790 for one year, with no free or low cost commercial tier.
  • Where Vim falls short: configuration system uses keyboard mappings with no graphical interface for settings.
  • Prices and features on this page were last checked on 13 November 2026.

Where they differ

Only the attributes on which Nessus and Vim actually diverge.

Attributes where Nessus and Vim differ
AttributeNessusVim
Starting price$4790/yearFree
Pricing modelSubscriptionFree
Free tierNoYes
PlatformsWindows, macOS, APILinux, macOS, Windows
CategoryCybersecurityDeveloper Tools
Founded20021988

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 Nessus

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

Only in Vim

  • Modal editing
  • Extensive customization
  • Plugin support
  • Macro recording
  • Split windows
  • Syntax highlighting
  • Search and replace
  • Command history

What people use each for

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

Nessus

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

Vim

  • Code editingnot Nessus
  • Configuration filesnot Nessus
  • System administrationnot Nessus
  • Remote editingnot Nessus
  • Terminal-based developmentnot Nessus

Where each one falls short

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

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

Vim

  • Configuration system uses keyboard mappings with no graphical interface for settings
  • Requires browsing documentation to modify even basic settings
  • Lacks sensible defaults for many common configurations
  • Plugin ecosystem stability varies widely depending on custom configuration complexity

Pricing, plan by plan

Nessus

$4790/year
  • Nessus Professional$4,790/yr
    • 1 year license
    • Best for individual security professionals
  • Nessus Professional 2-Year$9,330.95/2 years
    • 2 year license with discounted rate vs. annual
  • Nessus Professional 3-Year$13,637.54/3 years
    • 3 year license with discounted rate vs. annual
  • Nessus Expert$6,790/yr
    • 1 year license
    • Enhanced capabilities vs. Professional

Vim

Free
  • FreeFree
    • Powerful text editing
    • Extensive customization
    • Plugin ecosystem

Which should you pick?

Choose Nessus if

  • You need vulnerability scanning.
  • You work on Windows, macOS, API.
  • You also want configuration auditing.
Nessus review

Choose Vim if

  • You need modal editing.
  • You want to start without paying.
  • You work on Linux, macOS, Windows.
  • You also want extensive customization.
Vim review

Questions people ask

Is Nessus or Vim better?
Neither clearly leads. Nessus starts at $4790/year and Vim at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Nessus or Vim?
Vim has a free tier; the other does not. Paid plans start at $4790/year for Nessus and Free for Vim.
Does Nessus or Vim run on more platforms?
Nessus runs on Windows, macOS, API. Vim runs on Linux, macOS, Windows.
Can I use Vim for free?
Yes. Vim has a free tier, so you can try it without paying. Nessus starts at $4790/year.
What is Nessus best used for?
Nessus is most often used for vulnerability scanning for individual practitioners, enterprise vulnerability management, web application security assessments. Of those, vulnerability scanning for individual practitioners and enterprise vulnerability management are not what Vim is typically brought in for.
What can Nessus do that Vim cannot?
Nessus covers Vulnerability scanning, Configuration auditing, Malware detection, Web application scanning. Vim covers Modal editing, Extensive customization, Plugin support, Macro recording.

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
Vim: Is Vim free and open source?

Yes, Vim is free and open source, distributed under a charityware license. The creator requested donations to ICCF Holland, a non-profit supporting AIDS victims in Uganda. All donations are forwarded to ICCF.

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
Vim: What platforms does Vim support?

Vim runs on Unix-like systems (Linux, macOS, BSD), Windows (7, 8, 10, 11), VMS, and is available through package managers or standalone installation on all major operating systems.

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
Vim: Who maintains Vim now?

Vim was created by Bram Moolenaar, who passed away on August 3, 2023. Christian Brabandt is the current lead maintainer, and the project continues with volunteer contributors.

Source
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