Progressive web apps (PWAs) are web applications that can be installed on a device like a native app and can work offline. They have many of the features and functionality of native apps, and can be installed on a device from a website. Some examples of popular PWA apps include:

1. Twitter Lite: Twitter Lite is a PWA version of the popular social media platform that is designed for users in countries with limited internet connectivity. It offers a lightweight and fast user experience, and can be installed on a device from the Twitter website.
2. Alibaba: Alibaba is a PWA version of the popular e-commerce platform that allows users to shop for products from a variety of sellers. It offers a seamless and responsive user experience, and can be installed on a device from the Alibaba website.
3. Pinterest: Pinterest is a PWA version of the popular image sharing platform that allows users to discover and save ideas for a variety of topics. It offers a fast and immersive user experience, and can be installed on a device from the Pinterest website.
4. Lyft: Lyft is a PWA version of the popular ride-hailing service that allows users to request rides and track their drivers in real-time. It offers a seamless and convenient user experience