helios 
 Backend framework
 Provides essential backend services for mobile apps, allowing developers to focus on client-side development and easily integrate server-side functionality.
An extensible open-source mobile backend framework
4k stars
 183 watching
 332 forks
 
Language: CSS 
last commit: about 10 years ago 
Linked from   1 awesome list  
 Related projects:
| Repository | Description | Stars | 
|---|---|---|
|    |  A suite of tools for building and deploying software on iOS and other platforms using a custom build system. | 4,508 | 
|    |  An asynchronous C++ framework for building microservices and utilities with efficient I/O interactions | 2,479 | 
|    |  A framework for building fast and secure desktop and mobile applications with web frontends. | 87,118 | 
|    |  An application dashboard and launcher that allows users to organize and launch their web applications. | 7,965 | 
|    |  A full-stack framework for building cross-platform web, desktop, mobile apps with a single codebase and integrated tools. | 23,189 | 
|    |  A fast and simple blog framework built on Node.js, providing a powerful API for limitless extensibility and static site generation. | 39,690 | 
|    |  A platform for automating application delivery and management in hybrid cloud environments | 6,486 | 
|    |  Provides a framework for building hybrid mobile apps with web-based front-end and iOS back-end integration | 580 | 
|    |  A comprehensive backend development toolkit for building scalable applications with cloud services | 8,034 | 
|    |  Automates the deployment and testing of Kubernetes applications across development, testing, and CI environments. | 3,400 | 
|    |  A comprehensive framework for building cloud-native microservices applications using Go, focusing on scalability, reliability and ease of use. | 23,457 | 
|    |  An open-source iOS app built on functional programming principles, providing a platform for creators to bring new ideas to life. | 8,493 | 
|    |  A distributed POSIX file system designed for cloud-native environments, providing high performance and compatibility with various storage engines. | 11,030 | 
|    |  A framework designed to simplify development of background processes and device services for cross-platform .NET applications | 1,460 | 
|    |  A high-performance game framework designed to leverage modern GPUs and support various platforms. | 3,233 |