Software Alternatives & Startups

HackMD VS CloudLinux

Compare HackMD VS CloudLinux and see what are their differences

HackMD

Fast and flexible, real-time collaborative markdown, inspired by Hackpad.

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, HackMD seems to be more popular. It has been mentioned 76 times since March 2021.

social mentions
76 vs 0
Task Management popularity
100% vs 0%

Base details

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

HackMD
CloudLinux
Website hackmd.io cloudlinux.com
Pricing
Open source
Listed in

Features and specs

What each product offers, as listed by its team.

HackMD 5 features
CloudLinux 5 features
  • Collaboration
    HackMD offers real-time collaborative editing, which allows multiple users to work on the same document simultaneously. This feature enhances teamwork and productivity, especially for remote teams.
  • Markdown Support
    HackMD is built around Markdown, providing a simple yet powerful syntax for formatting documents. Markdown compatibility makes it easy to create well-structured content with minimal effort.
  • Version Control
    The platform includes version history, allowing users to track changes, revert to previous versions, and compare different iterations. This feature ensures that work is not lost and can be systematically reviewed.
  • Integration
    HackMD integrates with popular platforms like GitHub, GitLab, and Dropbox, allowing for seamless workflow integration. This makes it easy to incorporate HackMD into existing development and project management processes.
  • Accessibility
    HackMD is a web-based tool, meaning it can be accessed from any device with an internet connection. This ensures that users can collaborate and edit documents from different locations and devices.

Possible disadvantages

  • Limited Offline Support
    Since HackMD is primarily a web-based tool, it offers limited functionalities when offline. Users may face challenges accessing and editing documents without an internet connection.
  • Subscription Model
    While HackMD offers a free tier, advanced features and greater collaboration capacities are locked behind a subscription model. This could be a disadvantage for users and small teams with limited budgets.
  • Learning Curve
    Users unfamiliar with Markdown or collaborative editing tools may have a learning curve to overcome. This could affect initial productivity and user experience.
  • Data Privacy
    As a cloud-based service, users may have concerns about data privacy and security. Sensitive information stored on the platform could potentially be accessed by third parties or become vulnerable to data breaches.
  • Performance Issues
    Under heavy usage or with large documents, some users might experience occasional performance issues such as lag or slow syncing. This can disrupt the workflow and collaborative efforts.
  • 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.

HackMD
CloudLinux

Overall verdict

  • Overall, HackMD is a strong choice for those looking for an effective and flexible markdown editor with robust collaboration features. Its convenience, ease of use, and extensive features make it a good option for both personal and professional use.

Why this product is good

  • HackMD is popular because it offers a collaborative markdown editing environment that's particularly useful for teams and individuals who need to work on documentation, notes, or any kind of markdown-based content. It allows real-time collaboration, version control, and easy sharing, making it ideal for productivity. Its interface is user-friendly, and it supports a variety of integrations with tools like GitHub, Google Drive, and Dropbox. This flexibility and the ability to seamlessly work across different platforms make HackMD a valuable tool for many users.

Recommended for

  • Teams needing real-time collaboration on documents
  • Developers working on project documentation
  • Educators and students for note-taking and sharing
  • Writers preferring markdown for content creation
  • Anyone looking for a cloud-based markdown editor with integrations

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.

HackMD 3 videos + Add
CloudLinux 3 videos + Add

hackmd.io opensource application review

More videos

  • - Techstars Paris 2018 Demo Day - HackMD pitch
  • - Screencast-Tutorial zu HackMD

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
HackMD
CloudLinux
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

Share your experience with using HackMD 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.

HackMD 76 mentions
CloudLinux 0 mentions
  • Which Markdown editor to choose
    Live preview. StackEdit, Dillinger, Markdown Live Preview, HackMD, and VS Code with its preview pane open. Toast UI Editor ships both modes and lets you switch. - Source: dev.to / 2 months ago
  • Axios Compromised on NPM – Malicious Versions Drop Remote Access Trojan
    Many of the suggestions in this thread (min-release, ignore script) are defenses for the consumers. I've been working on Proof of Resilience, a set of 4 metrics for OSS, and using that as a scoring oracle for what to fund. Popularity... - Source: Hacker News / 7 months ago
  • A decentralized peer-to-peer messaging application that operates over Bluetooth
    Bluetooth works most reliably across all devices (within its limited range), but all these p2p apps are indeed moving towards multi-transport support to diversify and widen the connectivity grid: https://hackmd.io/@grjte/bitchat-wifi-aware. - Source: Hacker News / 10 months ago

View more

Tracking CloudLinux since Mar 2021.

Alternatives to HackMD and CloudLinux

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