O

odata

Safrano is a fully open source OData server framework based on Ruby, Rack and Sequel.

Universis Project API Server

NOData is a OData like interface for restful C# API

Fiveapples is a fully opensource and standalone OData + openui5 demo app

Typify is a middleware project for SAPUI Tooling. Typify can automatically generate TypeScript types from OData Metadata definitions. Development is carried out by Elevatory https://www.elevatory.de

Basic Odata Client

SAP Developers Tutorial > Take a Deep Dive into OData > See What Cloud Platform Tools Can Do with OData > Learn Annotation Basics for OData and Fiori