Software Alternatives & Startups

CertSheet VS CloudLinux

Compare CertSheet VS CloudLinux and see what are their differences

CertSheet

Turn a CSV or Excel list into one PDF certificate per person. Place names, courses and dates on a template or your own design, add QR codes, and download a ZIP. Free for up to 20 per batch.

Rating
0 reviews
Pricing
Freemium $12 / Monthly (Pro)
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.

CertSheet
CloudLinux
Website certsheet.com cloudlinux.com
Pricing
Freemium $12 / Monthly (Pro) Official pricing
Open source
Listed in

About CertSheet and CloudLinux

In their own words, as submitted to SaaSHub.

CertSheet
CloudLinux

Turn a CSV or Excel list into one PDF certificate per person. Place names, courses and dates on a template or your own design, add QR codes, and download a ZIP. Free for up to 20 per batch; online verification on paid plans.

Read more about CertSheet

No description of CloudLinux yet.

Features and specs

What each product offers, as listed by its team.

CertSheet 1 feature
CloudLinux 5 features
  • Certificate Generation (TC, Bonafide, etc.)
    Free; $12/month; $99/year
  • 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.

CertSheet
CloudLinux

No analysis of CertSheet 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.

CertSheet 0 videos + Add
CloudLinux 3 videos + Add

No CertSheet 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
CertSheet
CloudLinux
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

Questions & Answers

As answered by people managing CertSheet and CloudLinux.

What makes your product unique?

CertSheet's answer

Your spreadsheet never leaves your device. CertSheet reads the CSV or Excel file and builds every PDF inside your browser, so recipient lists aren't uploaded to anyone's server. You still get what most people need from a certificate tool: one PDF per person named after them, a unique ID and QR code on every certificate, and, on paid plans, hosted verification pages that say whether a certificate is valid or revoked. There's no account to create; paid plans are unlocked with a licence key.

Why should a person choose your product over its competitors?

CertSheet's answer

Choose CertSheet if you want certificates done in minutes without signing up, learning a big platform or uploading your attendee list. It's simpler and cheaper than full credentialing platforms: free for up to 20 per batch, US$12 a month for up to 1,000, or a one-time US$19 Event Pass for a single event, with no subscription. Compared with Word mail merge or Canva, it gives you one PDF per person, correctly formatted dates and QR codes without manual work. If you need learner accounts, digital badges or LMS integrations, a full credentialing platform will suit you better.

How would you describe the primary audience of your product?

CertSheet's answer

Small organisations and individuals who issue certificates for their own courses and events: independent trainers and training companies, teachers and schools, workshop, conference and webinar organisers, churches and community groups, and HR or L&D teams handling internal training. Typically they have a spreadsheet of names after an event and need a batch of professional-looking PDFs the same day.

What's the story behind your product?

CertSheet's answer

CertSheet started from a familiar chore: a course ends, there's a spreadsheet of names, and someone spends an afternoon in Word mail merge, then splits and renames the PDFs one by one. It's built and run by Stephen Lue-Yen in Kingston, Jamaica, as a focused tool that does that one job well: spreadsheet in, one certificate per person out, with QR verification for issuers who need it. It launched in October 2026.

Which are the primary technologies used for building your product?

CertSheet's answer

  • TypeScript and React (Vite) for the web app
  • pdf-lib and Web Workers to generate PDFs in the browser
  • Cloudflare Workers and Cloudflare D1 for verification pages and licence checks
  • Polar for payments and licence keys
  • Resend for licence key emails
  • Playwright for end-to-end tests

User comments

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Alternatives to CertSheet and CloudLinux

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