Ecosystem:Web framework

Django

Provider -- Django Software Foundation
Website -- https://www.djangoproject.com/
License -- open source (BSD)
Interoperability level -- explicitly supports PostgreSQL 9.3 or higher
Verified PostgreSQL versions -- didn't actually run the program, but just checked the documentation
Last update (YYYY-MM-DD) -- 2018-3-17
Description -- Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design. Built by experienced developers, it takes care of much of the hassle of Web development, so you can focus on writing your app without needing to reinvent the wheel. It’s free and open source.
Additional info -- click here

Provider -- Oracle Corporation
Website -- https://javaee.github.io/javaserverfaces-spec/
License -- open source (CDDLv1.1 and GPLv2)
Interoperability level -- interoperable via generic JDBC connection
Verified PostgreSQL versions -- didn't actually run the program, but just checked the documentation
Last update (YYYY-MM-DD) -- 2018-3-17
Description -- JavaServer Faces technology simplifies building user interfaces for JavaServer applications. Developers can build web applications by assembling reuseable UI components in a page; connecting these components to an application data source; and wiring client-generated events to server-side event handlers.
Additional info -- click here

Provider -- David Heinemeier Hansson and other developers
Website -- http://rubyonrails.org/
License -- open source (MIT License)
Interoperability level -- explicitly supports PostgreSQL (no specific version is specified)
Verified PostgreSQL versions -- didn't actually run the program, but just checked the documentation
Last update (YYYY-MM-DD) -- 2018-3-17
Description -- Rails is a web-application framework that includes everything needed to create database-backed web applications according to the Model-View-Controller (MVC) pattern.
Additional info -- click here

Provider -- Zend Technologies
Website -- https://framework.zend.com/
License -- open source (Zend License)
Interoperability level -- explicitly supports PostgreSQL (no specific version is specified)
Verified PostgreSQL versions -- didn't actually run the program, but just checked the documentation
Last update (YYYY-MM-DD) -- 2018-3-17
Description -- Zend Framework is a collection of professional PHP packages with more than 235 million installations. It can be used to develop web applications and services using PHP 5.6+, and provides 100% object-oriented code using a broad spectrum of language features.
Additional info -- click here