The best alternatives to SiteStacks for Chrome are WhatRuns, Siftery, and StackShare. If these 3 options don't work for you, we've listed a few more alternatives below.
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WhatRuns is a free technology lookup tool for developers, designers and salespeople to discover the technologies used on any website. Available for free on Chrome and Firefox. Featured 3 years ago.
StackShare is the fastest growing community for SaaS tools - we show you all the software a company is using and why. We're a developer-only community of engineers, CTOs, and VPEs from some of the world's top startups. Engineers use StackShare to compare and discover new technologies, while companies use StackShare to connect with engineers.
Making a side project can be time consuming and overwhelming. To help with this, I've created a list of many Indie Maker's tech stacks and I've built a recommendation app to find the best tools to make your next project (recommendations are no-code tools).