What are some alternatives?
When comparing Browserless and BrowserStack, you can also consider the following products
LambdaTest - Free cross browser compatibility testing tool online to test on 2000+ desktop and mobile browsers. Get online virtual access to machines running real browsers and real operating systems on cloud.
Sauce Labs - Test mobile or web apps instantly across 700+ browser/OS/device platform combinations - without infrastructure setup.
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
Selenium - Selenium automates browsers. That's it! What you do with that power is entirely up to you. Primarily, it is for automating web applications for testing purposes, but is certainly not limited to just that.
DocRaptor - Forget tedious coding or server management: Our simple API that makes it easy to convert HTML to PDF, XLS and Excel files.
testling - Automatic browser tests on every push