http://zero.webappsecurity.com/

http://demo.testfire.net/index.jsp admin/admin

https://admin-bro-example-app-staging.herokuapp.com/admin/login

https://airportgap.dev-tester.com

https://www.litecart.net/ru/demo

http://spdemo.intlock.com/

http://automationpractice.com/index.php

https://phptravels.com/demo/

http://demowebshop.tricentis.com/

https://microservices-demo.github.io/

https://github.com/djwester/api-testing-challenges

http://automationpractice.com/index.php

https://my-json-server.typicode.com/

https://api.nasa.gov/

https://testpages.herokuapp.com/styled/index.html

https://abstracta.us/blog/software-testing/best-demo-websites-for-practicing-different-types-of-software-tests/