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Value at a Glance

Averages based on real user reviews.

Time to Implement

2 months

Return on Investment

11 months

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Kali Linux Reviews (236)

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Reviews

Kali Linux Reviews (236)

View 1 Video Reviews
4.5
236 reviews

Review Summary

Generated using AI from real user reviews
Users consistently praise Kali Linux for its extensive pre-installed tools that streamline penetration testing and cybersecurity tasks. The platform is valued for its customizability and strong community support, making it a reliable choice for both learning and professional use. However, many note that it can be overwhelming for beginners due to its complexity and steep learning curve.

Pros & Cons

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Developer Naveen .
D
Freelancer
Small-Business (50 or fewer emp.)
"Powerful for Security Testing"
What do you like best about Kali Linux?

I have been using Kali Linux as a primary platform for testing the security of Android applications, and overall, it has proven to be a highly capable and flexible environment for this purpose. I appreciate the real-world testing power—it allows me to simulate scenarios and see how systems behave under pressure, making it far more engaging and useful than purely theoretical learning. There's also the flexibility of Kali Linux, as it can be heavily customized whether I'm working on Android apps, networks, or web systems. I can shape the environment to match exactly what I'm trying to test. The initial setup was very easy; I just downloaded and installed it in Hyper-V or another VM environment, or used it through live boot. Review collected by and hosted on G2.com.

What do you dislike about Kali Linux?

1. Steep learning curve: If you’re not already comfortable with Linux and security concepts, Kali can feel overwhelming. Many tools don’t have friendly interfaces, and errors aren’t always easy to understand. 2. Not beginner-friendly UX: Compared to mainstream operating systems, the user experience can feel rough. Things like driver issues, package conflicts, or broken dependencies can slow you down. 3. Tool overload: Kali comes with hundreds of tools, but many overlap in functionality, some are outdated or rarely maintained, and it’s not always clear which tool is best for a specific task. This can create confusion instead of efficiency. 4. Stability issues in some setups: Depending on whether you’re using it in a VM, dual boot, or on bare metal, performance can lag, updates occasionally break tools, and hardware compatibility (like Wi-Fi adapters) can be inconsistent. 5. Not tailored specifically for Android testing: While Kali supports Android security work, it’s not specialized for it. You often need to install extra tools manually, configure environments yourself, and combine multiple tools to get a full workflow. A more focused mobile security toolkit could improve this. 6. Requires strong ethical discipline: Kali gives you powerful capabilities, but it doesn’t enforce boundaries. Misuse can lead to legal trouble. So one 'limitation' is that it relies heavily on the user’s responsibility. Review collected by and hosted on G2.com.

Himanshu C.
HC
security researcher
Computer & Network Security
Small-Business (50 or fewer emp.)
"Unmatched toolset, real-world results, zero licensing cost"
What do you like best about Kali Linux?

Kali is basically the OS that thinks like an attacker. The toolset breadth is insane — Burp Suite Pro integration, Metasploit Framework, Wireshark, John the Ripper, sqlmap, Nikto, Gobuster — all pre-baked, no dependency hell. During actual VAPT engagements I'm constantly switching between recon, exploitation, and post-ex phases, and Kali flows with that seamlessly. The custom kernel patches for wireless injection are a massive win for wireless audits — stock kernels on other distros just choke when you need monitor mode and packet injection simultaneously. Custom kernel builds for specific chipsets like RTL8812AU work out of the box. The rolling release model means I'm never manually hunting updated tool versions. WSL2 support has been a game changer — I can spin up Kali inside a Windows lab environment without a full VM. The community is unmatched too; for any weird edge case at 2am, there's a Kali forums thread or a GitLab issue with a fix. For anyone doing professional pentesting or security research, there's genuinely no reason to reach for anything else as your primary attack box. Review collected by and hosted on G2.com.

What do you dislike about Kali Linux?

The biggest gripe is that it's a terrible daily driver outside security work. Package conflicts creep in the moment you install non-security software — GNOME on Kali always felt cobbled together versus a proper distro. The documentation assumes you already know what you're doing, so absolute beginners get dropped in the deep end fast, which creates a real barrier for junior colleagues onboarding onto engagements. The rolling release is a double-edged sword — occasionally an update quietly breaks a tool mid-engagement, which is genuinely the last thing you want during a time-boxed pentest. Enterprise integration is basically a DIY job; there's no native support for SIEMs or ticketing systems, so piping results into something like Splunk or Jira requires custom scripting. No complaints on price since it's free, but the hidden cost is time spent babysitting the environment after major updates. A stable LTS branch for professional use cases where you absolutely cannot have surprises would be a huge improvement. Review collected by and hosted on G2.com.

Dinesh Reddy V.
DV
Executive Data analyst
Mid-Market (51-1000 emp.)
"Powerful All-in-One Platform for Cybersecurity Learning"
What do you like best about Kali Linux?

What I like best about Kali Linux is its powerful collection of built-in tools for cybersecurity and penetration testing. It provides everything in one place, which makes learning and practicing ethical hacking much easier. The interface is user-friendly compared to other security-focused systems, and it’s highly customizable. Overall, it’s a great platform for both beginners and professionals in cybersecurity. Review collected by and hosted on G2.com.

What do you dislike about Kali Linux?

One thing I dislike about Kali Linux is that it’s not very beginner-friendly for regular users, especially if you’re new to Linux. It can also be unstable at times if not used properly, since it’s designed mainly for testing, not daily use. Some tools are complex and require strong technical knowledge to use effectively. Additionally, hardware compatibility and driver issues can sometimes be a hassle. Review collected by and hosted on G2.com.

AG
Senior Infrastructure Engineer
Small-Business (50 or fewer emp.)
"Essential OS for Penetration Testing"
What do you like best about Kali Linux?

I really like Kali Linux for its focus on penetration testing, as it comes with a lot already installed, making it solid for quick local testing. The community support is huge, allowing me to quickly install and deploy solutions without wasting time on misconfigurations. This support, along with comprehensive libraries and documentation, helps me focus more on SIP-related testing. Its design in a WORM fashion makes it simple for other developers on my team to follow documentation and deploy a standard environment, which is very efficient. The time saved is precious, and Kali Linux's setup enables me to ship a golden image of supports or provide clear documentation for building and deploying a local testing environment. Review collected by and hosted on G2.com.

What do you dislike about Kali Linux?

The overall adoption in the marketplace still needs improvement. Also, running Kali Linux on a daily basis for routine tasks doesn't work well since it's not designed for that purpose. I use other operating systems like Ubuntu or AL26 instead. It would be helpful to include more robust packages to install utilities commonly used and to segment those into focus areas like networking and security. Creating a 'lite' or 'daily' version of Kali Linux would also help in its adoption for daily tasks. Review collected by and hosted on G2.com.

Sameer B.
SB
Information Technology Manager
Small-Business (50 or fewer emp.)
"Comprehensive Network Security but Needs Better Driver Support"
What do you like best about Kali Linux?

Honestly, I like Kali Linux's out-of-the-box toolset. You just install it, and boom, you have over 600 tools ready to go. The specific feature that stands out for me is the undercover mode; it's super clever. It makes my desktop look like a standard Windows 10 or 11 environment, which is really helpful when I'm working in a public place or a cafe and don't want people staring at my screen wondering why I have a scary-looking Linux terminal. Plus, the initial setup is so easy. Review collected by and hosted on G2.com.

What do you dislike about Kali Linux?

The biggest headache for me is definitely hardware drivers, especially for WiFi adapters. It's frustrating when kernel updates suddenly break your monitor mode or packet injection capabilities right before a project. You often end up spending hours trying to find a compatible driver patch. Another issue is that Kali isn't really meant to be a daily driver. If you try to use it for regular stuff like Zoom calls, printing documents, or managing Bluetooth headphones, you run into permission errors or dependency conflicts. It's built for security tools, and it makes everything else feel like a struggle. Plus, the rolling release model means that sometimes an update to one tool might break another tool you rely on, forcing you to troubleshoot the operating system instead of doing your actual work. Review collected by and hosted on G2.com.

Khushal K.
KK
Trainee
Mid-Market (51-1000 emp.)
"Essential Toolkit for Cybersecurity Enthusiasts"
What do you like best about Kali Linux?

I like Kali Linux because it gives us an all-in-one security toolkit that's purpose-built for cybersecurity. Unlike Windows or Ubuntu, it's designed specifically for security testing. It offers flexibility since you can run it as a live OS, virtual machine, dual boot, or even from a USB. I also appreciate the strong community and support, along with continuous updates. These are the things I like most about Kali Linux. Review collected by and hosted on G2.com.

What do you dislike about Kali Linux?

The learning curve for Kali Linux is steep and not beginner-friendly, especially for those new to Linux or cybersecurity. Its UI isn’t easy to navigate for beginners. It’s not designed for daily use as a general-purpose OS like Windows or Ubuntu. The OS comes with hundreds of tools, which can feel overloaded since not all are frequently used. Some tools, particularly Metasploit, can be resource-intensive, making them heavy to run. Review collected by and hosted on G2.com.

Madhvendra S.
MS
Trainee
Business Supplies and Equipment
Mid-Market (51-1000 emp.)
"Kali Linux: A Powerful Penetration Testing Toolkit with 600+ Security Tools"
What do you like best about Kali Linux?

Vast Pre-Installed Toolset

As an AI focused on practical, technical insights, what I like most about Kali Linux is its comprehensive suite of 600+ pre-installed penetration testing tools, including Nmap, Wireshark, Metasploit, Burp Suite, Aircrack-ng, and John the Ripper. This saves hours of manual setup and gives me immediate access to what I need for vulnerability scanning, wireless attacks, packet analysis, and more, which makes it highly efficient for security workflows.

It also supports live boot from USB and offers strong customizability through multiple desktop environments. With cross-platform support (ARM, VMs, WSL), regular updates, and multilingual capabilities, it remains a versatile option for professionals worldwide. Review collected by and hosted on G2.com.

What do you dislike about Kali Linux?

Not Beginner Friendly

As someone who values accessibility, I dislike the steep learning curve and overall lack of beginner-friendliness in KaliLinux. It’s clearly built for experienced ethical hackers and tends to assume strong Linux, networking, and command-line knowledge. For new users, that often means a minimal GUI, an overwhelming number of tools, and very little guidance. The result can be frustration, installation mistakes, or even accidental damage if you don’t already know what you’re doing. Review collected by and hosted on G2.com.

Sahil K.
SK
security researcher
Small-Business (50 or fewer emp.)
"A Powerful Pentesting Tool with Some Performance Hiccups"
What do you like best about Kali Linux?

I learn Linux from Kali Linux, and as a hacker, I appreciate the preinstalled tools it offers, like Wifite, Nmap, and Dirsearch, which ease my work in pentesting. The interface is very good and has a hacker vibe, making it feel like I'm truly in a hacker's room. I can run pentesting commands without needing to download programs manually. The setup was 'easy peasy,' and my team and I use Kali Linux as our primary OS for pentesting projects. I am so satisfied that I'd give it a 10 out of 10 when recommending to a friend or colleague. Review collected by and hosted on G2.com.

What do you dislike about Kali Linux?

Sometimes Kali Linux gets stuck in previous versions where the cursor becomes invisible. When I install Kali Linux in VMware, the cursor works for only 2 minutes and then disappears, although it is still functioning invisibly. This issue leads me to replace it with another distro like Ubuntu when it's stuck. Opening many tabs in my Kali Linux VMware setup results in it getting stuck and showing 100% CPU usage. I think they need a distro focused solely on web pentesting tools. Review collected by and hosted on G2.com.

BR
IT manager
Mid-Market (51-1000 emp.)
"Highly Customizable Kali Linux with Powerful, Comprehensive Security Tools"
What do you like best about Kali Linux?

I love how this software enables complete customization! With its metapackages tailored to every security professional’s needs and a simple, well-documented ISO customization process, creating an optimized version of Kali specifically for my tasks has never been this easy I am amazing by this!. Kali Linux is my go to solution when it comes to learning and practising cybersecurity moreover its comprehensive set of tools makes exploring penetration testing, scanning for vulnerabilities and analysing security straightforward and efficient Review collected by and hosted on G2.com.

What do you dislike about Kali Linux?

While Kali Linux is powerful, it can be somewhat challenging for beginners because of its steep learning curve. As a result, it isn’t the ideal choice for everyday tasks like browsing. Review collected by and hosted on G2.com.

Lakshya  M.
LM
Computer Software
Small-Business (50 or fewer emp.)
"Essential Cybersecurity Toolkit with Room for UI Improvement"
What do you like best about Kali Linux?

I use Kali Linux mostly for my academic studies and for building projects that include cybersecurity. It's considered the best OS for cybersecurity, solving problems like penetration testing and network auditing, which help me go deeper into it. The best part is the 'batteries included' approach, where almost every tool you need for penetration testing like Nmap, Metasploit, or Wireshark is pre-installed and configured. These tools play a major role, with Nmap acting as a digital radar system for networks, Metasploit acting as a master key for penetration testing, and Wireshark helping in analyzing the network by reading the data packets being traveled from frontend to backend. Review collected by and hosted on G2.com.

What do you dislike about Kali Linux?

I think the UI needs to be improved as it feels outdated compared to modern Linux distributions like Ubuntu. It's also not meant for bad people as they can misuse it. Also, setting it up was not very easy; I had to watch tutorials and ask a techie friend for help. Review collected by and hosted on G2.com.

Questions about Kali Linux? Ask real users or explore answers from the community

Get practical answers, real workflows, and honest pros and cons from the G2 community or share your insights.

Armend B.
AB
Armend Binaku
Last activity 8 days ago

How do I update my kali linux os form the terminal

sonam s.
SS
sonam singh
Last activity over 4 years ago

What is the best way to learn AngularJS?

Pricing Insights

Averages based on real user reviews.

Time to Implement

2 months

Return on Investment

11 months

Average Discount

21%

Kali Linux Comparisons
Kali Linux Features
RAM management
I/O management
Data backup
System operations monitoring
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Kali Linux