Software Alternatives & Startups

Constant Contact VS CloudLinux

Compare Constant Contact VS CloudLinux and see what are their differences

Constant Contact

Constant Contact offers email marketing, social media marketing, online survey, event marketing, digital storefronts, and local deals tools.

Rating
0 reviews
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.

Base details

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

Constant Contact
CloudLinux
Website constantcontact.com cloudlinux.com
Pricing
Open source
Company Startup from the United States —
Listed in

Features and specs

What each product offers, as listed by its team.

Constant Contact 6 features
CloudLinux 5 features
  • User-Friendly Interface
    Constant Contact provides an intuitive and easy-to-navigate interface, making it accessible for users without technical expertise.
  • Comprehensive Email Templates
    Offers a wide range of customizable email templates, which helps businesses create professional-looking emails without design skills.
  • Robust Customer Support
    Features extensive customer support options including live chat, email, and phone support, as well as a comprehensive knowledge base.
  • Event Management Tools
    Includes tools that allow users to manage events, track registrations, and send event-related communications directly through the platform.
  • List Management
    Provides efficient contact list management features, including segmentation and engagement tracking, to better target and personalize email campaigns.
  • Analytics and Reporting
    Offers detailed analytics and reporting tools that help users track email campaign performance, engagement metrics, and ROI.

Possible disadvantages

  • Higher Cost
    Constant Contact is generally more expensive compared to other email marketing services, which may be a barrier for small businesses or startups.
  • Limited Automation Features
    The platform's automation capabilities are not as advanced as some competitors, potentially requiring more manual effort for complex workflows.
  • Customization Limitations
    While there are many templates available, the customization options can be somewhat limited, particularly for advanced design needs.
  • List Import Issues
    Some users report difficulties and limitations when importing contact lists from other sources, which can complicate migration processes.
  • Template Responsiveness
    Certain users have reported issues with email template responsiveness on different devices, impacting user experience for recipients.
  • 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.

Constant Contact
CloudLinux

Overall verdict

  • Constant Contact is a good option for small to medium-sized businesses and individuals looking for a reliable and straightforward email marketing solution. While it may not be the most affordable option for everyone, the features and support offered make it a worthwhile investment.

Why this product is good

  • Constant Contact is considered a solid choice for email marketing due to its ease of use, a wide variety of customizable templates, and robust set of features, including email automation, segmentation, and real-time reporting. It also integrates well with other tools, provides excellent customer support, and offers webinars and training resources to help users get the most out of the platform.

Recommended for

  • Small businesses
  • Non-profits
  • E-commerce stores
  • Event planners
  • Beginner to intermediate marketers

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.

Constant Contact 3 videos + Add
CloudLinux 3 videos + Add

Constant Contact Review - The Pros & Cons of the Newsletter Tool

More videos

  • - Constant Contact Review/Tutorial (2020) Full Step-By-Step Walkthrough
  • - Best Email Marketing Service? Mailchimp vs Constant Contact vs ConvertKit vs Aweber vs Drip

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
Constant Contact
CloudLinux
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

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Reviews and articles

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

Constant Contact no reviews yet
CloudLinux no reviews yet

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