Software Alternatives, Accelerators & Startups

OpenNebula VS DotKernel API

Compare OpenNebula VS DotKernel API and see what are their differences

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.

OpenNebula logo OpenNebula

OpenNebula is an Open Source Cloud & Edge Computing Platform to build & manage Enterprise Clouds. OpenNebula provides unified management of IT infrastructure, avoiding vendor lock-in & reducing complexity, resource consumption, & operational costs ๐Ÿš€

DotKernel API logo DotKernel API

An opinionated framework-less tool aimed at intermediate-to-advanced level programmers to start implementing REST APIs swiftly and efficiently.
  • OpenNebula Landing page
    Landing page //
    2023-09-30
Not present

Dotkernel API is a PHP REST API application built on top of Mezzio microframework , using Laminas components. DotKernel API is an alternative for legacy Laminas API Tools (formerly Apigility) applications

OpenNebula

$ Details
freemium $3000.0 / Annually ( Unlimited CPUs, Cores, VMs. Plus โ‚ฌ200 ($250) per managed node )
Platforms
Hypervisors VMWare KVM LXD Cloud Edge Docker Azure Linux
Release Date
2008 July
Startup details
Country
Spain
State
Madrid
City
Madrid
Founder(s)
Ignacio M. Llorente
Employees
50 - 99

DotKernel API

Pricing URL
-
$ Details
free
Platforms
-
Release Date
2018 May

OpenNebula features and specs

  • Cloud Automation
  • Cloud-based Infrastructure
  • Open-source
  • Kubernetes Integration
  • Edge

DotKernel API features and specs

  • Open Source
    DotKernel is an open-source project, which means the source code is publicly available, allowing developers to modify and contribute to it freely.
  • Robust Middleware
    DotKernel is built on top of Zend Expressive (now known as Laminas), which provides a robust middleware architecture for creating scalable and efficient web services.
  • Community Support
    Being open-source and part of the larger Zend Framework (Laminas) community, DotKernel benefits from community support and shared expertise.
  • RESTful API Development
    DotKernel is designed with RESTful API development in mind, providing tools and structure that facilitate the creation of REST-compliant services.
  • Extensible
    Its modular architecture allows for easy extension and customization, making it adaptable to various project requirements.

Possible disadvantages of DotKernel API

  • Steep Learning Curve
    For developers unfamiliar with Zend Expressive or middleware-based frameworks, the learning curve can be steep compared to more straightforward frameworks.
  • Limited Out-of-the-Box Features
    Unlike some frameworks that offer extensive built-in features, DotKernel requires additional setup and configuration to implement certain functionalities.
  • Community Size
    While DotKernel benefits from community support, its community is smaller compared to larger frameworks like Laravel or Symfony, which may limit the availability of tutorials and third-party extensions.
  • Migration Overhead
    DotKernel's reliance on the transition from Zend to Laminas might necessitate migration efforts for ongoing projects, impacting development timelines.

Analysis of DotKernel API

Overall verdict

  • DotKernel API is a solid choice for PHP developers seeking a lightweight, modular framework specifically designed for building RESTful APIs, backed by an established open-source project with years of active development.

Why this product is good

  • Built on Mezzio (formerly Zend Expressive), leveraging mature and well-tested PHP components
  • Modular architecture allows developers to include only the components they need, keeping applications lean
  • Provides built-in support for common API needs like authentication, versioning, and standardized responses
  • Open-source with an active GitHub presence, allowing community contributions and transparency
  • Backed by DotKernel, an organization with a long history in PHP framework development since the early 2000s
  • Good documentation and examples to help developers get started quickly
  • Follows modern PHP standards and practices, including PSR compliance

Recommended for

  • PHP developers building RESTful APIs from scratch
  • Teams looking for a modular, non-monolithic framework alternative to larger frameworks like Symfony or Laravel
  • Projects requiring lightweight, performance-focused API backends
  • Developers already familiar with Mezzio or Zend Framework ecosystem
  • Startups or small teams wanting open-source tools without licensing costs
  • Backend services that prioritize simplicity and specific API-focused functionality over full-stack MVC features

OpenNebula videos

Introduction to OpenNebula

More videos:

  • Tutorial - OpenNebula - Preventing Vendor Lock-in with an OpenNebula Multi-Cloud
  • Tutorial - vOneCloud - Deploy your OpenNebula Cloud in vSphere in 5 minutes

DotKernel API videos

No DotKernel API videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

0-100% (relative to OpenNebula and DotKernel API)
Cloud Computing
100 100%
0% 0
REST API
0 0%
100% 100
Virtualization Platform
100 100%
0% 0
API Tools
0 0%
100% 100

User comments

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Social recommendations and mentions

Based on our record, OpenNebula seems to be more popular. It has been mentiond 11 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

OpenNebula mentions (11)

  • Ask HN: What are people doing to get off of VMware?
    Happily want to give some options: * DIY w/ KVM/Xen * DIY w/ OpenStack - https://www.openstack.org/ * ProxMox - https://https://www.proxmox.com/en/ * Paid OpenStack through one of their partners - https://www.openstack.org/marketplace/consulting/ * OpenNebula - https://opennebula.io/ * Nutanix - https://www.nutanix.com/ If you want a solution that "just works", is simple to manage and can even extend to public... - Source: Hacker News / 9 months ago
  • Top 10 European Open-Source Projects to Watch in 2025
    Supports Kubernetes for cloud-native uses. Discover more by visiting the OpenNebula official website. - Source: dev.to / over 1 year ago
  • Euro-cloud provider Anexia moves 12,000 VMs off VMware to homebrew KVM platform
    Or just use https://opennebula.io/ based on KVM, still works with vmware if needed. ~20 year old project. It has legs. - Source: Hacker News / over 1 year ago
  • Seamless and Fully Automated VMware Migration with OneSwap
    Many organizations have already successfully migrated to OpenNebula, an open source cloud and edge computing platform. The solution offers greater flexibility, substantial cost savings, and vendor neutrality, allowing companies to retain full control over their cloud infrastructure. - Source: dev.to / almost 2 years ago
  • Common OpenSource Cloud OS
    OpenNebula is a cloud computing toolkit which is used to manage heterogeneous distributed datacenter infrastructures. And it controls a data centerโ€™s virtual infrastructure to build private, public as well as hybrid implementations of IaaS. Source: about 3 years ago
View more

DotKernel API mentions (0)

We have not tracked any mentions of DotKernel API yet. Tracking of DotKernel API recommendations started around May 2024.

What are some alternatives?

When comparing OpenNebula and DotKernel API, you can also consider the following products

VMmanager - VMmanager is a QEMU/KVM server virtualization management software, which presents perfect tools for creating virtual machines, providing VPS services, and building cloud infrastructure.

Apigility - Apigility is an API Builder, designed to simplify creating and maintaining useful, easy to consume, and well structured APIs.ย 

OpenStack - OpenStack software controls large pools of compute, storage, and networking resources throughout a datacenter, managed through a dashboard or via the OpenStack API.

API Platform - REST and GraphQL framework to build modern API-driven projects

Virtkick - Virtkick is a Software as a Service VPS control panel and your companyโ€™s storefront.

Apache CloudStack - CloudStack is an open source cloud computing software for creating, managing, and deploying infrastructure cloud services.