Windsurf vs Quell vs PythonTutor: Which Security Performance Management (SPM) tool is Best in 2025?

All these tools Windsurf , Quell , PythonTutor offer flexible pricing models suitable for Security Leadership, Business Executives seeking AI-powered solutions to enhance their Security Performance Management (SPM) efforts.

Windsurf

Starting from
$10/month
Pricing Model:
  • Individual - $0/month/forever
  • Pro - $10/month
  • Teams - $24/seat/month
  • Enterprise - Custom

Quell

Starting from
$300/month

PythonTutor

Starting from
free
Pricing Model:
  • Free - $0

These AI tools are among the best Security Performance Management (SPM) tools available in 2025. For Security Leadership, Business Executives, tools like Windsurf , Quell , PythonTutor help streamline the Security Performance Management (SPM) process by offering AI-powered features.

What is Windsurf?

Windsurf formerly known as Codeium, is a free AI code completion tool. Windsurf uses AI to answer coding questions and suggest code completions. It is an AI toolkit that empowers all developers with best-in-class chat capabilities, autocomplete for code, in-line command-based edits, etc.

What is Quell?

Quell is an advanced AI-driven platform launched to streamline automated quality assurance (QA) and compliance testing for web and mobile product deployments. Founded by a team with extensive experience at Western Union, Bank of the West, eBay, and Airwallex, Quell integrates with tools like Linear, Jira, Vercel, and Netlify to test acceptance criteria, debug issues, and ensure compliant builds. It is ideal for product leaders, developers, and cybersecurity professionals. It reduces manual testing efforts and accelerates shipping cycles.

What is PythonTutor?

PythonTutor is a web-based tool that helps you understand code like a friend explaining it step-by-step! Since 2010, it’s helped over 20 million learners visualize how Python, Java, JavaScript, C, C++, and Ruby programs run. Write code in your browser, watch variables and memory change with each line, and debug with an AI tutor for instant help. Features include a visual debugger, function call tracking, iframe embedding for classrooms, and support for small code snippets. It is ideal for students learning programming, teachers explaining concepts, or beginners grasping algorithms, it’s free, open-source, and super easy to use.

Windsurf
(4.8/5)
  • Accuracy and Reliability:
    4.7
  • Cost-Efficiency:
    4.9
  • Customization and Flexibility:
    4.8
  • Data Privacy and Security:
    4.8
  • Ease of Use:
    4.6
  • Functionality and Features:
    4.9
  • Integration Capabilities:
    4.5
  • Performance and Speed:
    4.9
  • Support and Resources:
    4.8
Quell
  • No ratings found!
PythonTutor
(3.9/5)
  • Accuracy and Reliability:
    4
  • Cost-Efficiency:
    4.5
  • Customization and Flexibility:
    4
  • Data Privacy and Security:
    4
  • Ease of Use:
    3.5
  • Functionality and Features:
    4
  • Integration Capabilities:
    3.5
  • Performance and Speed:
    5
  • Support and Resources:
    3
Windsurf
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Quell
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PythonTutor
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PythonTutor

Pros

Clear visualizations simplify coding

making Python Tutor a top Python code visualizer for beginners.

No downloads make it easy.

AI tutor aids learning.

Completely free access.

Supports Python

Java

and C++

perfect for a multi-language code debugger tool.

Cons

Limited to short code

a drawback for Python Tutor as a Python visualizer for complex projects.

No mobile app hinders use as a mobile-friendly Python tutor online.

AI tutor lacks depth for advanced code.

No LMS integrations.

Internet reliance slows performance.

If you're looking for other Security Performance Management (SPM) tools for Security Leadership, Business Executives, you can also explore Bitsight, SecurityScorecard, which are highly rated in 2025.

Windsurf
  • Windsurf
  • Mountain View, California
Quell
  • Not Data Available!
PythonTutor
  • Not Data Available!