Software Alternatives & Startups

Cosmos Server VS Opalstack

Compare Cosmos Server VS Opalstack and see what are their differences

Cosmos Server

Secure and Easy Self-hosted platform. Take control of your data and privacy without sacrificing security and stability (Authentication, anti-DDOS, anti-bot)

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Rating
0 reviews
Opalstack

Managed Hosting for developers, entrepreneurs, and businesses like yours

Opalstack Landing page
Rating
0 reviews
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.

Which is more popular?

Based on our record, Cosmos Server seems to be more popular. It has been mentioned 4 times since March 2021.

social mentions
4 vs 0
Control Panels popularity
100% vs 0%

Base details

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

CS
Cosmos Server
Opalstack
Website cosmos-cloud.io opalstack.com
Pricing
Listed in

Features and specs

What each product offers, as listed by its team.

CS
Cosmos Server 0 features
Opalstack 5 features

No features have been listed yet.

  • Developer-Friendly Hosting
    Opalstack is designed with developers in mind, offering SSH access, Git integration, and support for multiple programming languages and frameworks including Python, Node.js, Ruby, and PHP, giving developers granular control over their hosting environment.
  • Affordable Pricing
    Opalstack offers competitive pricing for shared and managed hosting plans, making it an accessible option for small businesses, freelancers, and individual developers who need robust features without enterprise-level costs.
  • Modern Control Panel
    Opalstack provides a clean, modern, and intuitive web-based dashboard for managing sites, applications, databases, and email accounts, which is a significant improvement over older-style hosting control panels like cPanel.
  • Strong Support for Multiple Applications
    The platform supports a wide variety of application types including WordPress, Django, Flask, Express, static sites, and more, allowing users to host diverse projects on a single account with easy deployment.
  • Reliable Infrastructure and Support
    Opalstack is built by former WebFaction team members, bringing experienced hosting expertise. They offer responsive customer support and a reputation for stable, well-managed server infrastructure with good uptime.

Possible disadvantages

  • Smaller Community and Ecosystem
    Compared to major hosting providers like DigitalOcean, AWS, or even shared hosts like SiteGround, Opalstack has a smaller user base, which means fewer community tutorials, third-party guides, and forum discussions available for troubleshooting.
  • Limited Scalability Options
    Opalstack is primarily a shared hosting provider, which means it may not be the best choice for high-traffic applications or projects that require rapid, on-demand scaling of resources like CPU, RAM, or storage.
  • Not Ideal for Beginners
    While developer-friendly, Opalstack's approach can be intimidating for non-technical users. Setting up applications often requires familiarity with the command line and server configuration, which may not suit those looking for simple one-click solutions.
  • Limited Data Center Locations
    Opalstack offers a relatively small number of data center locations compared to major cloud providers, which may result in higher latency for users targeting audiences in regions not well-served by the available server locations.
  • Fewer Managed Services and Add-ons
    Unlike larger hosting platforms, Opalstack lacks a wide range of managed add-on services such as built-in CDN integration, managed backups with granular restore options, or one-click SSL management that more mainstream providers offer out of the box.

Analysis

An editorial look at what each product does well and who it suits.

CS
Cosmos Server
Opalstack

Overall verdict

  • Cosmos Server (cosmos-cloud.io) is a solid, self-hosted platform that combines a reverse proxy, application manager, and security layer into one package, making it a strong choice for people who want an easy yet secure way to run their own home server or self-hosted apps.

Why this product is good

  • Built-in reverse proxy with automatic HTTPS/SSL certificate management via Let's Encrypt
  • Strong security features including authentication, brute-force protection, and a smart shield/firewall
  • One-click app installation from a marketplace, simplifying deployment of common self-hosted services
  • Integrated Docker management with a clean, user-friendly web interface
  • Open-source with an active community and regular updates
  • Includes backup and disk management tools to help protect data

Recommended for

  • Home lab enthusiasts and self-hosting hobbyists
  • Users who want a secure alternative to manually configuring reverse proxies like Nginx or Traefik
  • People running Docker-based applications who want simplified management
  • Privacy-conscious individuals wanting to host their own cloud, media, and productivity apps
  • Small teams or individuals seeking an all-in-one server management dashboard

Overall verdict

  • Opalstack is a solid choice for developers and tech-savvy users seeking an affordable, flexible control panel hosting solution with good performance and transparent pricing, though it may require more technical know-how than mainstream cPanel hosts.

Why this product is good

  • Uses a custom lightweight control panel that's fast and efficient compared to resource-heavy alternatives like cPanel
  • Offers straightforward, transparent pricing without hidden fees or aggressive upselling
  • Provides SSD storage and solid server performance for the price point
  • Supports multiple app types including Python, Node.js, and various frameworks beyond typical PHP hosting
  • Founded by the original creators of WebFaction, bringing significant hosting industry experience
  • Good for running multiple websites/apps under one account with granular resource control
  • Responsive customer support with a knowledgeable team
  • No long-term contracts required, allowing flexibility

Recommended for

  • Developers who need support for Python, Node.js, or other non-PHP applications
  • Users comfortable with a more technical, non-cPanel control panel interface
  • Small businesses or freelancers hosting multiple websites who want granular control
  • Former WebFaction users looking for a similar service after its shutdown
  • Budget-conscious users who want VPS-like flexibility without full server management
  • Users who prioritize transparent pricing over bundled marketing extras

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
CS
Cosmos Server
Opalstack
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

Share your experience with using Cosmos Server and Opalstack. 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.

CS
Cosmos Server 4 mentions
Opalstack 0 mentions
  • Cloud in a Bottle: making self-hosting accessible to everyone
    Curious how this compares to Cosmos Cloud (https://cosmos-cloud.io/). I picked it a few years ago for much the same reason as anyone else (sick of this shit), and it's main attraction to me was a focus on it being turnkey that focus... - Source: Hacker News / 5 days ago
  • Cosmos Cloud vs Dockge: Which Docker Manager?
    Cosmos Cloud (v0.20.2) is an all-in-one self-hosting platform built in Go. It combines a reverse proxy with automatic Let's Encrypt HTTPS, container management, an app marketplace with one-click installs, multi-user authentication with... - Source: dev.to / 7 months ago
  • 2026 is the Year of Self-hosting
    Cosmos Cloud is great too. I use it on a free tier OCI Ampere 24G VM https://cosmos-cloud.io/. - Source: Hacker News / 8 months ago

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Tracking Opalstack since Sep 2023.

Alternatives to Cosmos Server and Opalstack

When comparing Cosmos Server and Opalstack, you can also consider the following products.