Software Alternatives & Startups

OpenSERP VS CloudLinux

Compare OpenSERP VS CloudLinux and see what are their differences

OpenSERP

Open-source SERP API for Google, Yandex, Baidu, Bing, DuckDuckGo and Ecosia. Self-host it free under MIT with one Docker command, or use OpenSERP Cloud for the same API as a managed endpoint: pay-as-you-go credits, no subscription, no proxy fleet.

Rating
0 reviews
Pricing
Open source Freemium Free trial $1 (1 credit = 0.007$)
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.

OpenSERP
CloudLinux
Website openserp.org cloudlinux.com
Pricing
Open source Freemium Free trial $1 (1 credit = 0.007$) Official pricing
Open source
Platforms
Linux Windows Mac
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Company Startup from the United Kingdom · 1 - 9 employees · 2026 —
Listed in

About OpenSERP and CloudLinux

In their own words, as submitted to SaaSHub.

OpenSERP
CloudLinux

OpenSERP is an open-source SERP API that returns structured search results from six engines through one REST interface — Google, Yandex, Baidu, Bing, DuckDuckGo and Ecosia. It is MIT-licensed, written in Go, and has been developed in the open since June 2023 (1.4k+ GitHub stars). Two ways to run...

Read more about OpenSERP

No description of CloudLinux yet.

Features and specs

What each product offers, as listed by its team.

OpenSERP 5 features
CloudLinux 5 features
  • Cost-effective search API
    OpenSERP offers an affordable alternative to scraping search engine results directly, potentially reducing costs compared to premium SERP APIs or maintaining custom scraping infrastructure.
  • Self-hosted option available
    Users can self-host OpenSERP using Docker, giving them control over data privacy and infrastructure rather than relying solely on a cloud-hosted third-party service.
  • Multi-engine support
    OpenSERP supports scraping results from multiple search engines like Google, Baidu, and Yandex, providing flexibility for users who need data from various search platforms.
  • Simple API integration
    The service provides a straightforward REST API that is easy to integrate into existing applications, workflows, or automation pipelines without complex setup.
  • Open source foundation
    Being based on an open-source project, users can inspect the code, contribute improvements, or customize the underlying scraping logic to fit specific needs.
  • 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.

OpenSERP
CloudLinux

Overall verdict

  • OpenSERP is a solid, cost-effective option for developers and businesses needing programmatic access to search engine results without paying for expensive proprietary APIs, though it requires more technical setup and maintenance than fully managed commercial alternatives.

Why this product is good

  • Open-source and self-hostable, giving full control over deployment and data privacy
  • No per-query costs from third-party APIs, making it economical at scale
  • Supports multiple search engines (Google, Yandex, Baidu, etc.) in one tool
  • Can be run in Docker containers, simplifying deployment
  • Actively used by the developer community for SEO and scraping projects
  • Avoids reliance on paid SERP API providers for basic scraping needs

Recommended for

  • Developers building SEO tools or rank-tracking applications
  • Startups wanting to avoid recurring API subscription costs
  • Technical teams comfortable with self-hosting and maintaining infrastructure
  • Researchers needing bulk search result data for analysis
  • Privacy-conscious users who prefer not to route queries through third-party paid services
  • Projects requiring multi-engine search result aggregation

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.

OpenSERP 0 videos + Add
CloudLinux 3 videos + Add

No OpenSERP 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
OpenSERP
CloudLinux
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
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100% 100%

Questions & Answers

As answered by people managing OpenSERP and CloudLinux.

Why should a person choose your product over its competitors?

OpenSERP's answer

OpenSERP combines multiple major search engines behind one API, making it easier to build reliable AI, SEO, and automation workflows without maintaining complex scraping infrastructure. Unlike many SERP APIs, OpenSERP is open-source, transparent, flexible, and designed for developers who need control, extensibility, and multi-engine coverage.

How would you describe the primary audience of your product?

OpenSERP's answer

Developers, AI/LLM applications, automation platforms, SEO tools, researchers, and data teams that need search engine results from multiple providers through a single API.

What's the story behind your product?

OpenSERP's answer

OpenSERP started as an open-source project focused on making search engine data accessible without vendor lock-in. It was built to solve the complexity of maintaining reliable SERP scraping infrastructure across different engines, regions, languages, and anti-bot systems. Over time, the project evolved into both a popular open-source toolkit and a hosted SaaS platform for users who want reliable SERP access without managing browsers, proxies, or captchas themselves.

Which are the primary technologies used for building your product?

OpenSERP's answer

  • Golang
  • Browser automation (Rod / Playwright)
  • Docker
  • Redis
  • PostgreSQL
  • Cloudflare
  • JavaScript / TypeScript
  • REST API + OpenAPI

What makes your product unique?

OpenSERP's answer

  • 6+ major search engines in one API
  • MegaSearch mode (query multiple engines simultaneously)
  • Open-source and self-hostable
  • AI/automation-friendly API
  • Transparent billing model
  • Multi-region and multi-language search support
  • Fast normalized response format across engines

Who are some of the biggest customers of your product?

OpenSERP's answer

  • AI application developers
  • SEO agencies
  • Automation engineers
  • LLM and RAG platform builders
  • Research teams
  • Data extraction and analytics companies
  • n8n workflow creators
  • Indie hackers and SaaS startups

User comments

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Alternatives to OpenSERP and CloudLinux

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