Software Alternatives & Startups

pgModeler VS Cozystack

Compare pgModeler VS Cozystack and see what are their differences

pgModeler

Open source data modeling tool designed for PostgreSQL. No more DDL commands written by hand. Let pgModeler do the job for you!

pgModeler Landing page
Rating
0 reviews
Pricing
Open source
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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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.

Which is more popular?

Based on our record, pgModeler seems to be more popular. It has been mentioned 8 times since March 2021.

social mentions
8 vs 0
Databases popularity
100% vs 0%

Base details

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

pgModeler
Cozystack
Website pgmodeler.io cozystack.io
Pricing
Open source
Open source
Listed in

Features and specs

What each product offers, as listed by its team.

pgModeler 6 features
Cozystack 5 features
  • Cross-Platform Compatibility
    pgModeler is available for multiple operating systems, including Windows, macOS, and Linux, making it accessible to a wide range of users.
  • Open Source
    As an open-source tool, pgModeler allows users to review its source code, request features, or contribute to its development, fostering a collaborative environment.
  • PostgreSQL Specific
    pgModeler is designed specifically for PostgreSQL, offering features and optimizations that are closely aligned with the database's unique capabilities.
  • Intuitive Interface
    The software provides an intuitive graphical interface for designing and modeling databases, which helps to simplify complex database tasks.
  • Extensive Documentation
    pgModeler offers detailed documentation, tutorials, and user guides that help users understand and effectively use the tool.
  • Regular Updates
    The tool receives regular updates, ensuring that it remains up-to-date with the latest PostgreSQL features and industry standards.

Possible disadvantages

  • Learning Curve
    New users, especially those unfamiliar with PostgreSQL, may find pgModeler challenging to learn and use effectively at first.
  • Limited to PostgreSQL
    As pgModeler is designed specifically for PostgreSQL, it may not be suitable for users who need to work with other database management systems.
  • Performance Issues
    Some users have reported performance issues, particularly when working with large and complex database models.
  • Paid Version for Complete Features
    While pgModeler is open source, some advanced features and regular binary releases are only available in the paid version or via custom compilations.
  • Dependency on External Tools
    pgModeler might require additional external tools or libraries to fully utilize all its features, which could complicate the setup process.
  • UI/UX Limitations
    The user interface, while functional, might not be as polished or modern as some commercial database modeling tools.
  • 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.

pgModeler
Cozystack

Overall verdict

  • Overall, pgModeler is a solid choice for those seeking a comprehensive and visually intuitive tool for PostgreSQL database design and management. Its open-source nature and feature-rich environment provide valuable resources for both beginner and advanced database designers.

Why this product is good

  • pgModeler is often considered a good tool because it offers a wide range of features for designing and modeling PostgreSQL databases. It allows users to create, edit, and delete database objects such as tables, functions, and schemas via a user-friendly interface. It also supports reverse engineering to generate models from existing databases, model validation to ensure database integrity, and has a range of export options. Furthermore, it is open-source, which makes it accessible for users who prefer or require customizable tools.

Recommended for

  • Database administrators managing PostgreSQL databases
  • Developers who need to design and model complex database schemas
  • Organizations looking for an open-source and cost-effective database modeling solution
  • Students or educators requiring a tool for learning or teaching database concepts

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.

pgModeler 1 video + Add
Cozystack 3 videos + Add

pgModeler 0.6.0-beta: Reverse engineering in action!

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
pgModeler
Cozystack
100% 100%
0% 0%
0% 0%
100% 100%
100% 100%
0% 0%
0% 0%
100% 100%

User comments

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Reviews and articles

External articles and on-site reviews we used to compare the two products.

pgModeler no reviews yet
Cozystack no reviews yet
  • Top 9 Data Modeling Tools Every Team Needs
    www.devart.com · Jul 2025

    PgModeler (PostgreSQL Database Modeler) is an open-source data modeling tool specifically designed for PostgreSQL. It allows users to create, edit, and manage database structures through a visual interface, making it...

We have no reviews of Cozystack yet. Be the first one to post

Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

pgModeler 8 mentions
Cozystack 0 mentions
  • PostgreSQL IDE in VS Code
    I wonder how this compares to pgModeler (https://pgmodeler.io/) which I've been using the most in the recent years, would love is someone who had tried both could share some observations. - Source: Hacker News / over 1 year ago
  • Found a simple tool for database modeling: dbdiagram.io
    I usually go with the FOSS https://pgmodeler.io Its feature-rich, and its ability to compare database schemas makes updating and applying diffs much easier. - Source: Hacker News / over 1 year ago
  • Trek – An opinionated PostgreSQL Migration creator
    Co-creator of Trek here. Trek generated migration files based on the diff between a pgModeler(1) schema definition and existing migration files. Trek also helps deploying those migrations. I'd be happy to respond to any questions here :)... - Source: Hacker News / over 2 years ago

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Tracking Cozystack since Feb 2024.

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