Top Free Cloud Platform as a Service (PaaS) Software - Page 3

How Many Cloud Platform as a Service (PaaS) Software Products Does G2 Track?

Total Products under this Category: 232

Category Stats (Sep 2026)

  • Average Rating: 4.42/5 (↑0.01 vs Aug 2026) The average rating of products in this category, based on all submitted ratings
  • Top Trending Product: Sigma IDE (+2.78%) - Among all products in this category, Sigma IDE recorded the largest rating increase compared to last month

Last updated: September 26, 2026

How Does G2 Rank Cloud Platform as a Service (PaaS) Software Products?

Why You Can Trust G2's Software Rankings:

  • 30 Analysts and Data Experts
  • 15,200+ Authentic Reviews
  • 232+ Products
  • Unbiased Rankings

G2's software rankings are built on verified user reviews, rigorous moderation, and a consistent research methodology maintained by a team of analysts and data experts. Each product is measured using the same transparent criteria, with no paid placement or vendor influence. While reviews reflect real user experiences, which can be subjective, they offer valuable insight into how software performs in the hands of professionals. Together, these inputs power the G2 Score, a standardized way to compare tools within every category.

G2 Grid® for Cloud Platform as a Service (PaaS) Software

G2 Grid® for Cloud Platform as a Service (PaaS) Software plotting products by satisfaction and market presence

Highlighted products: Salesforce Platform, AWS Lambda, Azure Functions, Railway, Vercel, DigitalOcean, SAP Business Technology Platform, and Kinsta.

Underlying data: [Grid® JSON](https://www.g2.com/categories/cloud-platform-as-a-service-paas/grids.json?focus%5B%5D=agentforce-360-platform-formerly-salesforce-platform&focus%5B%5D=aws-lambda&focus%5B%5D=azure-functions&focus%5B%5D=railway&focus%5B%5D=vercel&focus%5B%5D=digitalocean&focus%5B%5D=sap-business-technology-platform&focus%5B%5D=kinsta)

Convox

Convox is a powerful Platform-as-a-Service (PaaS) that gives development teams control and peace of mind, allowing them to deploy and scale applications with ease. Since 2014, Convox has been a leading Platform-as-a-Service provider, allowing developers to deliver applications faster, at scale. Developed by former Heroku engineers and backed by Y Combinator, Convox is built by developers, for developers. Offering support for all major cloud environments, including AWS, Google Cloud, Digital Ocean, and Azure, Convox is a portable and adaptable solution that fits seamlessly into your current development infrastructure regardless of the framework and programming language you use. Trusted by companies of all sizes, from startups to multinational enterprises, Convox is a platform that allows you to scale efficiently and will grow as you do. Get started today with a free account at Convox.com.

Average Rating: 4.4/5.0

Total Reviews: 6

How Do G2 Users Rate Convox?

  • Has the product been a good partner in doing business?: 8.9/10 (Category avg: 9.0/10)
  • Application Deployment: 10.0/10 (Category avg: 8.9/10)

Who Is the Company Behind Convox?

  • Seller: Convox
  • Year Founded: 2014
  • HQ Location: Bend, US
  • LinkedIn® Page: www.linkedin.com
    9 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 67% Medium, 33% Small

What Are Recent G2 Reviews of Convox?

What Are G2 Users Discussing About Convox?

Cloud 66

Cloud 66 gives you everything you need to build, deploy and maintain your applications on any cloud, without the headache of dealing with "server stuff". With the convenience of PaaS but on any cloud, and in any region, Cloud 66 has persistent storage, custom network configuration, zero downtime deployments, blue/green and canary releases, full databases support, replication & managed backups. With no team size limits, Cloud 66 offers powerful access management, traffic control, firewalls, SSL certificate management, and more. How does it work? Step 1: Signup for a free Cloud 66 Account Step 2: Connect your Cloud 66 account to your git repository, Step 3: Connect your Cloud 66 account to your cloud provider. Step 4: Deploy! Frameworks: Ruby on Rails, Node.js, Jamstack (Jekyll, Hugo, Gatsby, Next.js, Vue.js, Nuxt.js, Svelte, Middleman, and Docusaurus), Laravel, GoLang, and more.

Average Rating: 4.7/5.0

Total Reviews: 14

How Do G2 Users Rate Cloud 66?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 9.0/10)
  • Application Deployment: 8.9/10 (Category avg: 8.9/10)
  • Database Management: 8.9/10 (Category avg: 8.4/10)
  • Networking: 8.9/10 (Category avg: 8.4/10)

Who Is the Company Behind Cloud 66?

  • Seller: Cloud 66
  • Year Founded: 2011
  • HQ Location: London, GB
  • Twitter: @cloud66
    10,549 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    9 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 57% Small, 29% Medium

What Are Recent G2 Reviews of Cloud 66?

Brainboard

Brainboard is an AI driven platform to visually design and manage cloud infrastructure, collaboratively. It's the only solution that automatically generates IaC code for any cloud provider, with an embedded CI/CD.

Average Rating: 4.5/5.0

Total Reviews: 3

Who Is the Company Behind Brainboard?

  • Seller: Brainboard
  • Year Founded: 2020
  • HQ Location: San Francisco, US
  • Twitter: @brainboard_co
    398 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    13 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 67% Medium, 33% Small

What Are Recent G2 Reviews of Brainboard?

Eccentex AppBase

Eccentex provides a low-code platform for digital business. Eccentex’ s flexible, cloud-architected software – built on its unified AppBase Platform – empowers people to rapidly deploy and easily extend and change applications to meet strategic business needs. Over its history, Eccentex has delivered award-winning capabilities in case management and business process automation (BPM) powered by robotics and advanced document management, to help the world’s leading brands and governments achieve breakthrough results.

Average Rating: 4.5/5.0

Total Reviews: 4

How Do G2 Users Rate Eccentex AppBase?

  • Has the product been a good partner in doing business?: 9.4/10 (Category avg: 9.0/10)
  • Application Deployment: 5.0/10 (Category avg: 8.9/10)
  • Database Management: 3.3/10 (Category avg: 8.4/10)
  • Networking: 3.3/10 (Category avg: 8.4/10)

Who Is the Company Behind Eccentex AppBase?

  • Seller: Eccentex
  • Year Founded: 2006
  • HQ Location: Culver City, US
  • Twitter: @Eccentex
    4,690 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    54 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Medium

What Are Recent G2 Reviews of Eccentex AppBase?

What Are G2 Users Discussing About Eccentex AppBase?

Harper

HarperDB eliminates the complexity typically synonymous with distributed services by combining an ultra-fast document-style data store, in-memory cache, real-time message broker, and your application components into a single distributed technology. When clustered and geo-distributed, HarperDB nodes instantly synchronize data to deliver a horizontally scalable service fabric, ensuring low-latency in-region responses for clients worldwide. In addition to massive cost savings at scale, HarperDB’s REST, GraphQL, and real-time interfaces make light work of servicing frontend requirements. Install and manage on your hardware, or have us host your services with HarperDB Cloud. For questions, reach us at hello@harperdb.io.

Average Rating: 4.8/5.0

Total Reviews: 4

How Do G2 Users Rate Harper?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 9.0/10)

Who Is the Company Behind Harper?

  • Seller: HarperDB
  • Year Founded: 2017
  • HQ Location: Denver, US
  • LinkedIn® Page: www.linkedin.com
    48 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Large, 50% Small

What Are Recent G2 Reviews of Harper?

Sigma IDE

Sigma is a serverless development platform; a cloud IDE, which helps you rapidly build, test and deploy serverless applications. The cloud-based hybrid IDE provides a fairly simple, intuitive environment, with easy, drag-and-drop composition combined with the full power of written code. Further, it facilitates invaluable insights of your deployments with its in-built dashboard. Sigma takes away all platform-related complexities from your serverless journey. Just drag-n-drop your cloud entities, write your code, and hit Deploy - the rest is in Sigma's good hands!

Average Rating: 4.6/5.0

Total Reviews: 4

How Do G2 Users Rate Sigma IDE?

  • Application Deployment: 10.0/10 (Category avg: 8.9/10)
  • Database Management: 10.0/10 (Category avg: 8.4/10)
  • Networking: 8.3/10 (Category avg: 8.4/10)

Who Is the Company Behind Sigma IDE?

Who Uses This Product?

  • Company Size: 75% Small, 50% Medium

What Are Recent G2 Reviews of Sigma IDE?

What Are G2 Users Discussing About Sigma IDE?

Flowize

Businesses have a strong focus on digitization and automation, to achieve that they need integration between all their existing systems and databases and external systems. On top of that, they need a system that automates the processes for them. But, often in an automated process a manual/human interaction is required by a stakeholder. This can be that an employee needs to approve something or that external input form a customer or supplier is needed!

Average Rating: 5.0/5.0

Total Reviews: 3

How Do G2 Users Rate Flowize?

  • Has the product been a good partner in doing business?: 10.0/10 (Category avg: 9.0/10)
  • Application Deployment: 8.3/10 (Category avg: 8.9/10)
  • Database Management: 8.3/10 (Category avg: 8.4/10)
  • Networking: 8.3/10 (Category avg: 8.4/10)

Who Is the Company Behind Flowize?

  • Seller: Flowize
  • Year Founded: 1996
  • HQ Location: Amersfoort, NL
  • LinkedIn® Page: www.linkedin.com
    52 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 67% Medium, 33% Small

What Are Recent G2 Reviews of Flowize?

IONOS cloud

IONOS cloud is part of IONOS - the leading European provider of cloud infrastructure, cloud services and hosting services. IONOS cloud provides everything needed for success in and with the cloud: Compute Engine, Managed Kubernetes, S3 Object Storage and Private Cloud powered by VMware. As the European cloud alternative, IONOS cloud is the only cloud provider with a patented technology stack "Made in Germany" for maximum data security and compliance against legislation such as the CLOUD Act.

Average Rating: 4.3/5.0

Total Reviews: 12

How Do G2 Users Rate IONOS cloud?

  • Has the product been a good partner in doing business?: 9.0/10 (Category avg: 9.0/10)
  • Application Deployment: 8.3/10 (Category avg: 8.9/10)
  • Database Management: 10.0/10 (Category avg: 8.4/10)
  • Networking: 8.3/10 (Category avg: 8.4/10)

Who Is the Company Behind IONOS cloud?

  • Seller: IONOS by 1&1
  • Year Founded: 1988
  • HQ Location: Montabaur, Rheinland-Pfalz
  • LinkedIn® Page: www.linkedin.com
    2,831 employees on LinkedIn®

Who Uses This Product?

  • Top Industries: Information Technology and Services
  • Company Size: 62% Small, 31% Medium

What Are Recent G2 Reviews of IONOS cloud?

seenode

Seenode provides a platform for deploying and hosting full-stack applications and databases using Python, Node.js, and Go. It offers features like seamless integration with Git repositories, automated deployments, and fully managed PostgreSQL and MySQL databases, aimed at developers looking for an efficient cloud hosting solution. The service allows users to handle application deployment quickly and effortlessly while supporting a variety of frameworks and programming languages. Seenode aims to simplify the development process by removing infrastructure concerns and providing a developer-friendly experience.

Average Rating: 5.0/5.0

Total Reviews: 2

How Do G2 Users Rate seenode?

  • Application Deployment: 10.0/10 (Category avg: 8.9/10)

Who Is the Company Behind seenode?

  • Seller: seenode
  • Year Founded: 2022
  • HQ Location: Bratislava, SK
  • LinkedIn® Page: www.linkedin.com
    2 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 100% Small

What Do G2 Reviewers Say About seenode?

AI-generated summary from verified user reviews

Pros
  • Users value the proactive customer support from Seenode, making infrastructure setup and maintenance seamless and worry-free.
  • Users value the easy setup of seenode, appreciating the hassle-free infrastructure and reliable support from the team.

What Are Recent G2 Reviews of seenode?

WSO2 Developer Platform

WSO2 Developer Platform is an AI-native internal developer platform as a service that empowers both platform engineers and software engineers by simplifying software delivery, operations, and enterprise software engineering. With WSO2 Developer Platform you can: • Accelerate software delivery: Automate developer workflows, reduce bottlenecks, and scale dynamically. • Modernize with agility: Transform apps into modern, scalable, and secure units of work and harness the power of K8s without the steep learning curve. • Optimize cloud costs: Deliver instant ROI, optimize costs intelligently, and align usage with real-time demand. • AI-powered: Equip developers to ship code faster with embedded AI tools, while giving AI builders the infrastructure to build and deploy AI apps seamlessly. • 10X your platform engineering: Enable developer self-service, abstract platform complexities while being in control, and reduce repetitive tasks with intelligent defaults. Some key capabilities for software engineers include: • Cloud-native application development: Get the scalability, performance, and reliability benefits of the cloud. • API-first development: Build powerful APIs, services, events, and tasks using any programming language. • Enterprise application modernization: Continuously evolve and adapt to changing technology landscapes. • Multi-cloud and hybrid cloud deployments: Deploy cloud-native apps across Azure, AWS, GCP, or your Kubernetes clusters effortlessly. • GenAI app deployment: Easily build and deploy production-grade Generative AI applications. • Insights and analytics: Insights into engineering efficiency and app performance to optimize processes, identify bottlenecks, and make data-driven decisions. Some key capabilities for platform engineers include: • Automating CI/CD and GitOps: Eliminate manual processes with WSO2 Developer Platform's CI/CD pipelines, offering complete control, reliability, and flexibility. • Observability and monitoring: Monitor your DevOps efficiency and achieve faster, safer production deployments using the integrated DORA metrics. • Enabling developer self-service: Create self-service environments where developers can independently build, deploy, and manage their apps. • Optimizing cloud costs & resource optimization: Use AI to automatically optimize costs and maximize resource efficiency without overspending. • Managing multi-cloud deployments: Deploy cloud-native applications across Azure, AWS, GCP, or your Kubernetes clusters, ensuring portability and flexibility. • Security enablement: Simplify security management with managed data flows, authentication, authorization, and zero-trust security by default.

Average Rating: 4.3/5.0

Total Reviews: 8

How Do G2 Users Rate WSO2 Developer Platform?

  • Has the product been a good partner in doing business?: 9.2/10 (Category avg: 9.0/10)
  • Application Deployment: 8.3/10 (Category avg: 8.9/10)
  • Database Management: 8.3/10 (Category avg: 8.4/10)
  • Networking: 8.3/10 (Category avg: 8.4/10)

Who Is the Company Behind WSO2 Developer Platform?

  • Seller: WSO2
  • Year Founded: 2005
  • HQ Location: Mountain View, CA
  • Twitter: @wso2
    12,751 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    1,290 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Small, 38% Large

What Do G2 Reviewers Say About WSO2 Developer Platform?

AI-generated summary from verified user reviews

Pros
  • Users value the wide range of integration options in WSO2 Developer Platform for seamless system connections and testing.
  • Users praise the wide range of integration options in WSO2 Developer Platform, enhancing seamless connectivity and workflow efficiency.
  • Users commend the reliability of WSO2 Developer Platform, appreciating its robust performance and disaster recovery features.
  • Users praise the easy setup of WSO2 Developer Platform, making integration and deployment effortless for developers.
  • Users appreciate the ease of use of WSO2 Developer Platform, enjoying its clean UI and effortless service management.
Cons
  • Users experience a steep learning curve with WSO2 Developer Platform, especially if not familiar with API-centric development.
  • Users find the pricing to be high and question the clarity of the free tier offering.
  • Users face integration issues with WSO2 due to limited pre-built connectors and the need for specialized language skills.
  • Users report performance issues in the WSO2 Developer Platform, leading to frustrations during usage and reliability concerns.
  • Users find poor documentation challenging, making it harder to navigate and fully utilize the WSO2 Developer Platform.

What Are Recent G2 Reviews of WSO2 Developer Platform?

iKnode

iKnode is a simple yet powerful Backend as a Service (BaaS) for the Web, Mobile and Desktop that makes it extremely easy to create functionality in the cloud.

Average Rating: 4.0/5.0

Total Reviews: 1

How Do G2 Users Rate iKnode?

  • Application Deployment: 5.0/10 (Category avg: 8.9/10)
  • Database Management: 3.3/10 (Category avg: 8.4/10)
  • Networking: 5.0/10 (Category avg: 8.4/10)

Who Is the Company Behind iKnode?

  • Seller: Structum
  • Year Founded: 2012
  • HQ Location: Santa Ana, US
  • Twitter: @iknode
    142 Twitter followers
  • LinkedIn® Page: www.linkedin.com
    3 employees on LinkedIn®

Who Uses This Product?

  • Company Size: 50% Medium, 50% Small

What Are Recent G2 Reviews of iKnode?

What Are G2 Users Discussing About iKnode?

Ridge Cloud Platform

Ridge is the world’s most distributed cloud. By empowering developers to easily deploy cloud-native anywhere, on any infrastructure, Ridge Cloud reaches locations underserved by the hyperscale cloud providers. Ridge users get public cloud agility with the performance of localized infrastructure.

Average Rating: 5.0/5.0

Total Reviews: 1

Who Is the Company Behind Ridge Cloud Platform?

What Are Recent G2 Reviews of Ridge Cloud Platform?

What Are G2 Users Discussing About Ridge Cloud Platform?

ByteNite

ByteNite exists to make high-powered distributed computing accessible and effortless, so developers can focus on progress instead of infrastructure. We help teams accelerate demanding workloads, like crawling millions of web pages, running scientific simulations, rendering 3D graphics, or backtesting financial models, by turning them into parallel tasks that run quickly and cost-effectively. Our mission is to remove barriers to scalable compute, empowering innovators to build, analyze, and create at speed.

Who Is the Company Behind ByteNite?

CloudDevs.it

Transform Your Business with Cloud Excellence We design, build, and optimize cloud-native solutions on AWS and Google Cloud — with deep expertise modernizing Java and Spring Boot systems into scalable, cloud-native architectures.

Who Is the Company Behind CloudDevs.it?

CodeNOW

CodeNOW is a ready-to-use platform that aids in the streamlining of software development across various cloud environments. By providing a cohesive blend of pre-configured open-source tools, CodeNOW manages all aspects of the software development process. This allows your development teams to concentrate on building functional components for your business, instead of spending time on managing and automating cloud infrastructures. CodeNOW provides robust pre-set roles and permissions that help manage your development teams, which can be local or remote. You have the freedom to deploy on public cloud platforms or your own internal servers using platforms like VMWare Tanzu or Azure Stack Hub. CodeNOW is particularly suitable for software built on microservice or event-driven architectures. These architectures enable independent teams to rapidly iterate and deliver value to your business. You can harness the power of Kubernetes without the need to manage its complexities. CodeNOW takes care of the cloud automation while your developers focus on coding. Our expert team will guide you through upgrading your Kubernetes clusters according to your business needs. In essence, CodeNOW allows you to scale your software development confidently and effectively!

Who Is the Company Behind CodeNOW?

Who Uses This Product?

  • Company Size: 100% Small

What Are Recent G2 Reviews of CodeNOW?

Adam Crivello
AC
Researched and written by Adam Crivello
Updated April 9, 2026