Freemium Software for PaaS
Squidex
Squidex is 100% open source headless CMS, built by passionated developers. With Squidex both individuals and organizations can handle content for the new web with ease. Squidex modular platform allows users to create content APIs that can be consumed by any frontend framework or technology in a matter of minutes. The framework itself can also be extended and tweaked to suite individual use-cases. Squidex is provided as a fully open source software released and free of charge, for the self-hosted community edition. For organizations that want to get up and running fast, commercially hosted solutions are provided.
HarperDB
HarperDB is a full-featured data management platform that runs from edge to cloud, and anywhere in between. It provides an easy to use REST API, a sleek management studio, quick installation, and limited database configuration, while being language agnostic. With HarperDB you can insert JSON, query with performant SQL including JOINS and full CRUD operations. Enhanced features like built in Math.js and GeoJSON.
Heroku
Heroku is a platform as a service (PaaS) built especially for applications developers. When Heroku first launched in 2007 it was a platform dedicated to deploy and host Ruby applications. Today the offering has broadened and allows developers to launch applications for most languages, frameworks and technologies in a matter of minutes with the help of Heroku Buildpacks. There are currently over 5,400 Heroku Buildpacks in the Heroku Elements Marketplace, that can be used by developers to speed up deployment and saftley host their applications online.
Fauna
Fauna is the data API for client-serverless applications. It provides web-native GraphQL interface, with support for custom business logic and integration with the serverless ecosystem. Fauna transforms the traditional DBMS into a Data API that gives you all of the capabilities of traditional database, without sacrificing flexibility, scale, and performance. By utilizing a globally-distributed storage and compute fabric, Fauna-powered applications are delivered to end-users fast and reliably on modern security infrastructure.
Netlify
With Netlify you can deploy modern static websites, automatically, with Git. Netlify serves every file hosted over a CDN and provides continuous deployments and 1-click HTTPS for all projects. Over 1 million businesses use Netlify to run web projects at a global scale, without the need for DevOps and costly infrastructure.
PythonAnywhere
With PythonAnywhere you can host, run, and code Python in the cloud. PythonAnywhere is a hosting service that provides ready-to-go production environments. The platform allow you to host your code that you developed locally, or develop in the cloud. PythonAnywhere's web-based IDE provides syntax-highlighting, error-checking, Python 2 and 3 consoles, and a full set of batteries included. Allowing you to work with Python in the cloud, without installing and configuring a local development environment.
Userbase
With Userbase you can create secure and private web apps using only static JavaScript, HTML, and CSS. Userbase provides built-in user accounts and takes care of you user accounts with the help of the Userbase SDK that lets you sign up, login, and logout users directly from your static site. It also provides a zero-management database that handles user's data in the browser, instead of sending database queries to a server. Userbase also encrypts all database operations in the browser with user-controlled keys. This helps you prevent personal data misuse, and lets you offer a high level of data privacy. Under the hood, Userbase uses sql.js, a JavaScrip implementation of SQLite.
MaxCDN
With MaxCDN you can make your websites and web applications faster with a content delivery network that is located in over 100 data centers spread across the world. MaxCDN provides purge and provisioning of content instantly, with real-time CDN analytics.
M3O
M3O is a new cloud platform for quick and easy micro services development. With M3O your application can go from source to running and beyond in just ten commands. Write services locally, run them in the cloud, without the hassle of managing the infrastructure.
Azure Cognitive Search
Azure Cognitive Search is cloud-based search service formerly known as Microsoft Azure Search. Azure Cognitive Search uses Microsoft Bing's natural language stack, used by the search engine for more than a decade, to power AI services across vision, language, and speech. With Azure Cognitive Search, you can spend more time building your product than maintaining complex search infrastructure.