Revolutionizing Web Development: The Benefits of Open Source Applications.

Creating an open source web application along with Android and iOS apps can be a complex process, but with the right tools and resources, it's definitely achievable. Here are the general steps you can follow to create an open source web application: 

Choose a programming language: There are many programming languages to choose from when creating a web application, including JavaScript, Python, Ruby, and PHP. Choose a language that you are familiar with or that is appropriate for the type of application you want to build.

Select a framework: A framework is a set of tools and libraries that can help you build your application more efficiently. Popular frameworks for web applications include Ruby on Rails, Django, and Laravel.

Design the architecture: Determine how your application will be structured, including the database, server, and client-side components.

Write the code: Develop the functionality of your web application, testing and iterating as needed.

Publish the source code: Host the source code of your application on a platform like GitHub so that others can contribute to your project.

To create an Android app, you'll need to develop the app using Java and the Android SDK, and publish it on the Google Play Store. To create an iOS app, you'll need to develop the app using Swift or Objective-C and publish it on the App Store.

It's important to note that developing an open source web application with Android and iOS apps can be a time-consuming and challenging process, and it may be helpful to have experience with web development, mobile development, and open source projects. However, there are many resources available online to help you get started, including tutorials, forums, and communities.