Web application development software refers to tools, frameworks, integrated development environments (IDEs), and platforms that developers use to create, test, and deploy web applications. These software solutions streamline the development process and provide the necessary features for building efficient and feature-rich web applications. Here are some popular web application development software options:

1. Integrated Development Environments (IDEs):
   1. Visual Studio Code (VS Code): A lightweight, open-source code editor with extensive extensions and a strong developer community support.
   2. WebStorm: A professional IDE for web development that offers JavaScript, HTML, and CSS support, as well as advanced coding tools.
   3. PyCharm: An IDE for Python web development, offering features for both frontend and backend development.
2. Text Editors:
   1. Sublime Text: A fast and versatile text editor known for its speed and a wide range of community-created packages.
   2. Atom: An open-source text editor developed by GitHub, customizable through packages and themes.
3. Version Control:
   1. Git: A distributed version control system used for tracking changes in code and collaborating with development teams. Platforms like GitHub, GitLab, and Bitbucket provide Git hosting services.
4. Frontend Frameworks:
   1. React: A JavaScript library for building user interfaces, often used for creating dynamic and interactive web applications.
   2. Angular: A comprehensive frontend framework for building complex web applications with a strong focus on modularity.
   3. Vue.js: A progressive JavaScript framework for building user interfaces, suitable for both single-page applications (SPAs) and complex web apps.
5. Backend Frameworks:
   1. Express.js: A minimal and flexible Node.js framework for building web and mobile applications.
   2. Django: A high-level Python web framework that promotes rapid development and clean, pragmatic design.
   3. Ruby on Rails: A Ruby-based framework known for its convention over configuration (CoC) principles and developer-friendly features.
6. Database Management:
   1. phpMyAdmin: A web-based tool for managing MySQL databases.
   2. Adminer: A lightweight and easy-to-use database management tool for various database systems.
   3. Sequel Pro: A macOS application for managing MySQL databases.
7. Content Management Systems (CMS):
   1. WordPress: A popular CMS that simplifies web content management and is extendable with plugins and themes.
   2. Drupal: A robust CMS and web application framework for building versatile and scalable websites.
8. API Development:
   1. Postman: A widely used tool for testing and documenting APIs by sending HTTP requests and inspecting responses.
   2. Swagger/OpenAPI: A framework for designing, building, and documenting RESTful APIs.
9. Server Environments:
   1. Apache HTTP Server: A widely used open-source web server software.
   2. Nginx: A high-performance, open-source web server that can also serve as a reverse proxy and load balancer.
10. Cloud Services:
    1. AWS, Google Cloud, Microsoft Azure: Cloud platforms that offer a wide range of web application development services, including serverless computing, databases, and storage.
11. Containerization and Orchestration:
    1. Docker: A platform for containerizing applications and their dependencies.
    2. Kubernetes: An open-source container orchestration system for automating deployment, scaling, and management of containerized applications.
12. No-Code/Low-Code Platforms:
    1. Platforms like OutSystems, Mendix, and Appian allow for web application development with minimal coding, using visual interfaces and pre-built components.

The choice of web application development software depends on the specific requirements of the project, the programming languages and technologies used, the development team’s expertise, and other project constraints. Developers often use a combination of these tools and platforms to create web applications efficiently and effectively.