Software Alternatives & Startups

Writebook VS CloudLinux

Compare Writebook VS CloudLinux and see what are their differences

Writebook

Instantly publish your own books on the web for free, no publisher required.

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
This page does not exist

Which is more popular?

Based on our record, Writebook seems to be more popular. It has been mentioned 2 times since March 2021.

social mentions
2 vs 0
Writing Tools popularity
100% vs 0%

Base details

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

Writebook
CloudLinux
Website once.com cloudlinux.com
Pricing —
Open source
Listed in

Features and specs

What each product offers, as listed by its team.

Writebook 5 features
CloudLinux 5 features
  • User-Friendly Interface
    Writebook features an intuitive and easy-to-navigate interface, making it accessible for users with varying levels of technical expertise.
  • Collaboration Features
    Allows multiple users to work on a document simultaneously, enhancing productivity and facilitating team projects.
  • Cloud Integration
    Seamlessly integrates with cloud services, enabling users to access and edit their documents from any device with internet access.
  • Customization Options
    Offers a range of customization tools for personalizing the writing environment and formatting documents to meet specific needs.
  • Offline Access
    Provides an offline mode, allowing users to continue working without an Internet connection and sync changes later.

Possible disadvantages

  • Subscription Cost
    The platform requires a paid subscription, which may be a barrier for individuals or organizations on a tight budget.
  • Learning Curve
    Despite its user-friendly design, some users may experience a learning curve when exploring advanced features or integrations.
  • Limited Free Tier
    The free version has restricted functionality, potentially requiring users to purchase the premium version to access essential features.
  • Dependence on Internet Connectivity
    Although offline access is provided, many features are dependent on internet connectivity, which could limit usability in low-connectivity areas.
  • Platform Variability
    Certain features might perform differently or be unavailable across various devices or operating systems.
  • 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.

Writebook
CloudLinux

Overall verdict

  • Writebook by 37signals (via Once.com) is a solid, no-nonsense self-hosted publishing tool that lets you create and share books online with a one-time purchase and full ownership of your data. It's well-built, simple, and free, making it a genuinely good option for its intended purpose.

Why this product is good

  • It's completely free to use, with no subscriptions or recurring fees
  • Self-hosted, giving you full control and ownership of your content and data
  • Built by 37signals, a company with a strong reputation for quality, well-designed software
  • Clean, distraction-free interface focused purely on writing and publishing books
  • Easy to set up and share books online with a simple, readable layout
  • Supports text, images, and formatting without unnecessary complexity

Recommended for

  • Writers and authors who want to self-publish books online without platform lock-in
  • People who prefer owning their software and data rather than relying on subscriptions
  • Educators or professionals wanting to share manuals, guides, or documentation
  • Technically comfortable users who can handle self-hosting setup
  • Anyone seeking a simple, free alternative to complex publishing platforms

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.

Writebook 0 videos + Add
CloudLinux 3 videos + Add

No Writebook videos yet. You could help us improve this page by suggesting one.

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
Writebook
CloudLinux
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

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

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Social recommendations and mentions

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

Writebook 2 mentions
CloudLinux 0 mentions
  • Marksmith – a GitHub-style Markdown editor for Ruby on Rails
    This looks great! I'd also love a non-Markdown view for less technical folks. Or can you write in the "preview mode"? I read that 37signals will also spin-off the markdown editor they built for Writebook (https://once.com/writebook), so... - Source: Hacker News / over 1 year ago
  • Everything that I published this week about Ruby #3
    I installed a Writebook and published these articles. While it needs a bit more polishing to suit my long-form blogging needs, it looks great right out of the box. - Source: dev.to / almost 2 years ago

Tracking CloudLinux since Mar 2021.

Alternatives to Writebook and CloudLinux

When comparing Writebook and CloudLinux, you can also consider the following products.