Software Alternatives & Startups

Exercism VS LetsDefend

Compare Exercism VS LetsDefend and see what are their differences

Exercism

Download and solve practice problems in over 30 different languages.

Exercism Landing page
Rating
0 reviews
Pricing
Open source
LetsDefend

LetsDefend is a security operation center analysis and response training platform that provides a full lifecycle of learning modules in the form of courses, labs, and exercises to help organizations meet their compliance and cyber-resilience needs.

LetsDefend Landing page
Rating
0 reviews
Note: These products don't have any matching categories. If you think this is a mistake, please edit the details of one of the products and suggest appropriate categories.

Which is more popular?

Based on our record, Exercism should be more popular than LetsDefend. It has been mentioned 318 times since March 2021.

social mentions
318 vs 34
Online Learning popularity
100% vs 0%
alternatives listed
240+ vs 18

Base details

Website, pricing, platforms and company facts side by side.

Exercism
LetsDefend
Website exercism.org letsdefend.io
Pricing
Open source
Listed in

Features and specs

What each product offers, as listed by its team.

Exercism 7 features
LetsDefend 5 features
  • Free Access
    Exercism provides free access to a wide range of coding exercises and learning resources, making it accessible to everyone regardless of their financial situation.
  • Mentorship
    Offers personalized mentorship from experienced developers who can provide feedback and guidance on your code submissions.
  • Wide Variety of Languages
    Supports numerous programming languages, which allows users to learn and practice coding in multiple languages.
  • Structured Learning Tracks
    Organizes exercises into structured tracks, guiding learners through progressively challenging problems in a logical order.
  • Community Support
    Has an active community forum where users can discuss problems, share insights, and ask for help.
  • Open Source Contributions
    Encourages contributions to the platform itself, offering an opportunity for users to give back and improve the resources available to others.
  • Focus on Clean Code
    Emphasizes writing clean, well-documented code, which is beneficial for developing best practices.

Possible disadvantages

  • Variable Mentorship Quality
    The quality of mentorship can vary, as it depends on the availability and expertise of volunteer mentors.
  • Learning Curve
    There can be a steep learning curve for beginners who may find some exercises too challenging without sufficient initial guidance.
  • Limited Interactivity
    Exercises are primarily text-based without interactive or visual learning aids, which might be less engaging for some users.
  • Dependence on Volunteers
    The platform relies heavily on volunteer mentors, which can lead to delays in getting feedback and may affect the consistency of support.
  • Interface Complexity
    Some users find the interface and workflow somewhat complex and unintuitive, particularly for those new to the platform.
  • No Real-Time Collaboration
    Lacks real-time collaboration features, meaning users cannot code together or get instant feedback.
  • Focus on Individual Learning
    The platform predominantly focuses on individual learning rather than collaborative projects, which can be a downside for those looking to develop team-working skills.
  • Realistic SOC Environment
    LetsDefend offers a simulated Security Operations Center environment where users can practice responding to real-world cyber threats, providing immersive, practical experience.
  • Hands-On Learning
    The platform allows users to engage in hands-on activities which enhance learning through active participation rather than passive observation.
  • Diverse Scenarios
    Users can encounter a variety of threat scenarios, which helps them to develop comprehensive skills in handling different types of cyber threats.
  • Skill Development
    LetsDefend helps users improve their skills in incident response, threat detection, and security analysis, making it a robust training tool for cybersecurity professionals.
  • Community Interaction
    The platform encourages interaction among users through discussions and forums, fostering a community where participants can share knowledge and strategies.

Possible disadvantages

  • Limited Free Content
    The free version of LetsDefend may offer limited scenarios or features, potentially restricting access for users who do not have a paid subscription.
  • Complexity for Beginners
    The platform might be overwhelming for beginners in cybersecurity who do not have enough background knowledge to fully utilize the tools and scenarios provided.
  • Resource Intensive
    Running complex scenarios on LetsDefend may require significant computational resources, which might not be available to all users.
  • Learning Curve
    Users might face a steep learning curve given the complexities of real-world simulations, which may require additional time and effort to master.
  • Subscription Costs
    For full access to all features and scenarios, users generally need to subscribe to a paid plan, which can be a financial consideration for individuals or smaller organizations.

Analysis

An editorial look at what each product does well and who it suits.

Exercism
LetsDefend

Overall verdict

  • Yes, Exercism is considered good for learning and improving programming skills.

Why this product is good

  • Exercism offers free access to a wide variety of exercises in over 50 different programming languages, catering to both beginners and experienced programmers.
  • The platform provides a unique mentorship model where volunteers review submitted solutions, offering personalized feedback and guidance.
  • The exercises are well-structured, facilitating both practice and mastery of language-specific concepts and problem-solving skills.
  • Exercism encourages learning through doing, promoting an active learning environment which can be more effective compared to passive learning styles.
  • The platform allows for self-paced learning, enabling users to progress at their own speed and revisit topics as needed.

Recommended for

  • Beginner programmers seeking practical coding exercises to reinforce their learning.
  • Intermediate and advanced developers looking to hone their skills or learn new programming languages.
  • Individuals who appreciate personalized feedback and mentorship to improve their coding practices.
  • Students and educators searching for supplementary resources to support coursework or syllabus requirements.
  • Professionals aiming to practice coding interview problems and enhance their problem-solving abilities.

No analysis of LetsDefend yet.

Videos

Walkthroughs and reviews on video.

Exercism 3 videos + Add
LetsDefend 1 video + Add

Learn with Exercism.io

More videos

  • Review - JavaScript Exercise | Learn JavaScript with Exercism | #0 Setup
  • Review - exercism.io 01 hello-world

LetsDefend (SOC Analyst) - Event ID #92: Ransomware Detected

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Exercism
LetsDefend
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

Share your experience with using Exercism and LetsDefend. For example, how are they different and which one is better?

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

Exercism no reviews yet
LetsDefend no reviews yet

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We have no reviews of LetsDefend yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Exercism 318 mentions
LetsDefend 34 mentions
  • AI made me lazy. I didn’t notice until it was too late.
    Exercism.org structured deliberate practice, no AI required. - Source: dev.to / 5 months ago
  • Free Python Resources
    Providing free coding exercises and mentorship, Exercism helps developers practice and improve their programming skills step by step. Their Python Track offers a series of exercises that guide learners from beginner to more advanced levels. - Source: dev.to / 8 months ago
  • Collaboration Circles for Developers (2026)
    Exercism is a code practice + mentoring platform in 74 languages. Why it can work: although it is not exclusively focused on groups of five, its mentoring and peer review model allows forming mini-circles where participants give each... - Source: dev.to / 10 months ago

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  • Info about letsdefend.io
    I'm looking for places that let me experience what it's like to be in a analyst / IR team in order to learn a bit about those roles and found a place called letsdefend.io. Have you tried it? How it was the experience? Would you recomend it? Source: almost 3 years ago
  • But...How...
    Has anyone else had any issues with letsdefend.io? Source: about 3 years ago
  • Entry level job trouble
    A SOC analyst role is not unrealistic if you are educated to masters level in computer science. It won't be a breeze, especially in the current climate, but you stand a fair chance if you are persistent and resilient. Make sure your... Source: about 3 years ago

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Alternatives to Exercism and LetsDefend

When comparing Exercism and LetsDefend, you can also consider the following products.