Software Alternatives & Startups

Selzy VS Cozystack

Compare Selzy VS Cozystack and see what are their differences

Selzy

The easiest way to start selling with emails

Selzy Landing page
Rating
0 reviews
Pricing
Freemium Free trial $7.5 / Monthly
Cozystack

With Cozystack, you can transform your bunch of servers into an intelligent system with a simple REST API for spawning Kubernetes clusters, Database-as-a-Service, virtual machines, load balancers, HTTP caching services, and other services with ease.

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0 reviews
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Open source
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Base details

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

Selzy
Cozystack
Website selzy.com cozystack.io
Pricing
Freemium Free trial $7.5 / Monthly Official pricing
Open source
Company 2021
Listed in

About Selzy and Cozystack

In their own words, as submitted to SaaSHub.

Selzy
Cozystack

Selzy is an email marketing platform designed for small and midsize businesses that need an affordable and easy-to-use tool for creating and managing campaigns. With its drag-and-drop email builder and ready-made templates, you can launch a campaign in as little as 15 minutes without any design...

Read more about Selzy

No description of Cozystack yet.

Features and specs

What each product offers, as listed by its team.

Selzy 11 features
Cozystack 5 features
  • AI Email Builder
    Play with the pre-built blocks to create the perfect-high converting emails your users want to receive.
  • Automation
    Let your emails run the show 24/7 So you can focus on more important things.
  • Email analytics
    Selzy email analytics tool helps you with everything ― from the basics to the advanced metrics. Integrate with Google Analytics and track sales. Spot which devices and send time perform best for you. The click map shows you the conversion from every single link and button. To boost your future results, use the assessment tool or analyze your past campaigns.
  • Free bulk email service
    With Selzy free bulk email service, you can easily create and send stunning campaigns that matter to each subscriber.
  • Personalization
    Send only what matters to your subscribers to make them feel special and boost your conversion rates.
  • Segmentation
    Send custom-tailored emails to skyrocket your conversion with Selzy email segmentation tool
  • Integrations
    Connect Selzy with a CRM, a CMS, a website builder, or other services.
  • Ai Email assistant
    Optimize every element of your email
  • Dedicated IP
    Dedicated IP for email marketing ensures optimal inbox placement, improved sender reputation, and enhanced email deliverability.
  • Email Verifier
    Improve deliverability by finding and removing inactive email addresses from your contact list — 100% automatically.
  • Subscription Forms
    Get new leads and add new readers to your newsletter through an email subscription form.
  • Free and Open Source
    Cozystack is a fully open-source platform (under Apache 2.0 license) built on top of proven open-source technologies like Kubernetes, Talos Linux, and FluxCD, allowing users to inspect, modify, and contribute to the codebase without vendor lock-in.
  • All-in-One PaaS/IaaS Platform
    Cozystack provides a comprehensive platform that combines PaaS and IaaS capabilities, offering managed Kubernetes clusters, databases (PostgreSQL, MySQL, Redis, etc.), virtual machines, load balancers, and monitoring out of the box, reducing the need for multiple separate tools.
  • Built on Battle-Tested Technologies
    The platform leverages well-established cloud-native technologies such as Kubernetes, KubeVirt for virtualization, Kamaji for managed Kubernetes, and Cilium for networking, providing a solid and reliable foundation rather than reinventing the wheel.
  • Simplified Bare-Metal Deployment
    Cozystack is designed to be installed directly on bare-metal servers using Talos Linux, making it relatively straightforward to set up your own cloud infrastructure without needing pre-existing cloud providers or complex manual configurations.
  • GitOps-Driven and Declarative Management
    Using FluxCD and Helm charts under the hood, Cozystack follows GitOps principles, enabling declarative infrastructure management, reproducible deployments, and easy customization of platform components through a standardized workflow.

Possible disadvantages

  • Steep Learning Curve
    Cozystack requires solid knowledge of Kubernetes, Talos Linux, networking, and various cloud-native technologies. Users unfamiliar with these ecosystems may find the initial setup and ongoing management challenging.
  • Relatively Young and Small Community
    Compared to established platforms like OpenStack or major managed Kubernetes services, Cozystack has a smaller user community, which means fewer community-contributed resources, tutorials, third-party integrations, and slower issue resolution from peers.
  • Limited Enterprise Support and Ecosystem
    As a relatively new open-source project, Cozystack lacks the extensive enterprise support contracts, professional services, and partner ecosystems that more mature platforms offer, which may concern organizations requiring SLA-backed support.
  • Hardware and Infrastructure Requirements
    Cozystack is designed for bare-metal deployments and requires a minimum cluster of nodes with specific hardware capabilities (e.g., for KubeVirt virtualization), which may not be accessible or cost-effective for smaller teams or those without dedicated infrastructure.
  • Limited Documentation and Maturity
    Being a newer project, the documentation can be sparse or incomplete in certain areas, and some features may still be evolving, potentially leading to breaking changes or gaps in functionality compared to more mature alternatives.

Analysis

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

Selzy
Cozystack

No analysis of Selzy yet.

Overall verdict

  • Cozystack is a solid choice for teams wanting a free, open-source PaaS built on Kubernetes, Kubevirt, and Flux, offering a self-hosted alternative to public cloud platforms with strong automation and GitOps principles baked in.

Why this product is good

  • Fully open-source and free, avoiding vendor lock-in and licensing costs
  • Built on proven CNCF technologies like Kubernetes, KubeVirt, and Flux CD
  • Provides a unified platform for both containers and virtual machines
  • Enables self-service infrastructure provisioning similar to major cloud providers
  • Strong GitOps-native approach simplifies deployment consistency and rollback
  • Active development backed by a community and commercial support options
  • Reduces operational overhead by automating cluster and tenant management

Recommended for

  • Organizations wanting to build an internal private cloud platform
  • DevOps teams already invested in Kubernetes and GitOps workflows
  • Companies seeking to reduce reliance on public cloud providers
  • Managed service providers offering PaaS/IaaS to clients
  • Teams needing both VM and container workloads unified under one platform
  • Cost-conscious enterprises looking for open-source cloud infrastructure alternatives

Videos

Walkthroughs and reviews on video.

Selzy 3 videos + Add
Cozystack 3 videos + Add

How To Create An Email Campaign in Selzy

More videos

  • Review - Selzy Review: AI-Powered Email Marketing Platform - Mailchimp Alternative
  • Review - Launch Intelligent Email Campaigns with Selzy

Cozystack community meeting 2024-07-04

More videos

  • Review - Sunkworks - Pt. 56 (Build, Test Cozystack 0.9-pre)
  • Review - Cozystack community meeting 2024.05.09

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
Selzy
Cozystack
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

Questions & Answers

As answered by people managing Selzy and Cozystack.

How would you describe the primary audience of your product?

Selzy's answer

Small and medium-sized businesses.

Why should a person choose your product over its competitors?

Selzy's answer

Selzy is an easy-to-use email marketing tool, even for beginners, and with prices starting at $7.50, it is a cost-effective option.

User comments

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

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