Software Alternatives & Startups

SSL For Free VS CloudLinux

Compare SSL For Free VS CloudLinux and see what are their differences

SSL For Free

Free SSL Certificate issued in less than a minute.

CloudLinux

Making Linux secure, stable, and profitable for thousands of hosting providers and data centers worldwide.

Rating
0 reviews
Pricing
Open source
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, SSL For Free seems to be more popular. It has been mentioned 1 time since March 2021.

social mentions
1 vs 0
SSL Certificates popularity
100% vs 0%

Base details

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

SSL For Free
CloudLinux
Website sslforfree.com cloudlinux.com
Pricing —
Open source
Listed in

Features and specs

What each product offers, as listed by its team.

SSL For Free 5 features
CloudLinux 5 features
  • Free of Cost
    SSL For Free provides SSL certificates at no cost, allowing businesses and websites to secure their data without additional expenses.
  • User-friendly Interface
    The website offers an easy-to-navigate interface, making it accessible for users with minimal technical knowledge to obtain and install SSL certificates.
  • Automated Certificate Management
    SSL For Free supports automated certificate issuance and renewal, which simplifies the process of maintaining up-to-date SSL certificates.
  • Compatibility
    The service supports widely recognized Let's Encrypt certificates, ensuring compatibility with most web browsers and enhancing visitor trust.
  • Improved Security
    By providing SSL certificates, SSL For Free helps improve website security through HTTPS encryption, protecting user data during transmission.

Possible disadvantages

  • Limited Features
    Compared to paid SSL certificate providers, SSL For Free may offer fewer features and options, such as extended validation or wildcard certificates.
  • Shorter Certificate Lifespan
    SSL For Free certificates usually have a shorter validity period (90 days) compared to some paid certificates, requiring more frequent renewals.
  • Potential for Manual Setup
    In some cases, users may need to manually set up and configure their SSL certificates, which could be complex for those without technical knowledge.
  • Dependency on Let's Encrypt
    As SSL For Free relies on Let's Encrypt for certificate issuance, any changes or limitations to Let's Encrypt's policies may directly affect the service.
  • No Extended Validation
    SSL For Free does not offer extended validation certificates that provide a higher level of trust and display a green bar in browsers.
  • Enhanced Server Stability
    CloudLinux uses its lightweight virtualization technology (LVE) to isolate each tenant on a shared hosting server, preventing any single user from consuming excessive resources and crashing the server for everyone else. This ensures consistent uptime and performance.
  • Improved Security with HardenedPHP and KernelCare
    CloudLinux offers HardenedPHP, which patches old and unsupported PHP versions against known vulnerabilities, and KernelCare, which provides live kernel patching without requiring server reboots. These features significantly enhance server security posture.
  • Resource Limit Management
    Administrators can set granular resource limits (CPU, memory, I/O, number of processes, etc.) per user account using LVE Manager. This makes it easy to manage shared hosting environments and ensure fair resource distribution among tenants.
  • CageFS File System Virtualization
    CageFS creates a virtualized file system for each user, preventing them from seeing other users on the server, viewing sensitive configuration files, or exploiting server vulnerabilities. This adds an important layer of isolation and security.
  • Wide Compatibility with Hosting Panels
    CloudLinux integrates seamlessly with popular hosting control panels such as cPanel, Plesk, and DirectAdmin, making it straightforward for hosting providers to adopt without overhauling their existing infrastructure or workflows.

Possible disadvantages

  • Additional Licensing Cost
    CloudLinux requires a paid monthly or annual license on top of the base server cost. For smaller hosting providers or individual server owners, this additional expense can add up and may not always be justifiable compared to free alternatives.
  • Limited to CentOS/RHEL-Based Systems
    CloudLinux is built on top of RHEL/CentOS and does not support other Linux distributions like Ubuntu or Debian. This limits its adoption for hosting providers who prefer or already run non-RHEL-based environments.
  • Learning Curve for Configuration
    While CloudLinux provides powerful resource management tools, properly configuring LVE limits, CageFS, PHP Selector, and other features requires a solid understanding of the platform. Misconfiguration can lead to users being unnecessarily restricted or resources being poorly allocated.
  • Potential Performance Overhead
    The additional layers of virtualization, resource monitoring, and file system isolation introduced by CloudLinux can impose a slight performance overhead on the server compared to running a bare, unmodified Linux distribution without these controls.
  • Dependency on CloudLinux Ecosystem
    Adopting CloudLinux means relying on their ecosystem for kernel updates, PHP patches, and security fixes. If the company experiences delays in releasing patches or changes its pricing/licensing model, hosting providers may find themselves locked into a dependency that is difficult to migrate away from.

Analysis

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

SSL For Free
CloudLinux

No analysis of SSL For Free yet.

Overall verdict

  • CloudLinux is a well-regarded, mature Linux OS distribution and toolset specifically designed for shared hosting and multi-tenant server environments, offering strong isolation, resource management, and security features that make it a solid choice for hosting providers.

Why this product is good

  • Provides LVE (Lightweight Virtual Environment) technology for per-tenant resource isolation, preventing 'bad neighbor' effects on shared servers
  • Enhances server stability and security by isolating users so that one account's issues (crashes, resource spikes) don't affect others
  • Offers extended lifecycle support (longer than standard CentOS/RHEL support windows), which is valuable for legacy systems
  • Includes tools like CloudLinux OS Shield, Imunify360 integration, and hardened kernel options for improved security
  • Compatible with popular control panels like cPanel and Plesk, making it easy to integrate into existing hosting stacks
  • Backed by an established company with a long track record in the hosting industry and responsive support
  • Offers granular control over CPU, memory, I/O, and other resources per user account
  • Provides PHP Selector and multiple PHP version support, useful for hosting providers serving diverse client needs

Recommended for

  • Web hosting companies running shared or reseller hosting environments
  • Hosting providers needing to isolate customer accounts on the same physical server
  • Businesses requiring extended OS support lifecycles beyond standard RHEL/CentOS EOL dates
  • Enterprises using cPanel or Plesk that want tighter security and resource control
  • Hosting companies looking to reduce support tickets caused by noisy-neighbor resource contention
  • IT teams managing multi-tenant infrastructure who need governance and monitoring tools built into the OS layer

Videos

Walkthroughs and reviews on video.

SSL For Free 1 video + Add
CloudLinux 3 videos + Add

How to get SSL For Free - Trusted SSL certificate for your website

When To Use Cloudlinux On Your Virtual Private Server (VPS)

More videos

  • - CloudLinux OS+ in a minute: Explore Features
  • - How CloudLinux Plans to Keep CentOS 6 Alive

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
SSL For Free
CloudLinux
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

Share your experience with using SSL For Free and CloudLinux. For example, how are they different and which one is better?

Log in or Post with

Reviews and articles

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

SSL For Free 4.0 · 1 review
CloudLinux no reviews yet

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

Social recommendations and mentions

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

SSL For Free 1 mention
CloudLinux 0 mentions
  • setting up site on cloudflare (for ssl), trying to connect to node apps on other ports
    I needed an SSL cert for my db hosted on the same server. I was dicking w cloudflare at first but then I ended up just getting a different set of certs from sslforfree.com. That has been working. But that makes me wonder, if I should... Source: over 3 years ago

Tracking CloudLinux since Mar 2021.

Alternatives to SSL For Free and CloudLinux

When comparing SSL For Free and CloudLinux, you can also consider the following products.