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Composable: The X-ray API is completely composable, allowing you haveĪ great flexibility in how you scrape each webpage.Strings, arrays, arrays of objects, and nested object structures.

Flexible schema: X-ray has a flexible schema with support for.

Some of it’s features as an open source web scraping library are: X-ray is also a Javascript based open source web scraping library with flexibility and other features that made it appealing to the most developers that choose it as their go to choice for their web scraping project. X-ray as the developer Matthew Mueller puts it, is the next web scraper that sees through the noise.

Has support for CSS 3.0 and XPath 1.0 selector hybridsĬomplete documentation and examples for Osmosis can be found at Github here.

Doesn’t have large dependencies like jQuery, cheerio, or jsdom.

Single proxy or multiple proxies and handles proxy failure.Cookie jar and custom cookies/headers/user agent.Below are the features of Osmosis NodeJS library įeatures of Osmosis web scraping library: That’s because it’s been proven to be one of the best the industry has at the moment. The NodeJS based web scraping open source library by Rchipka on Github, isn’t the only Javascript/NodeJS based open source web scraping library but it’s one of the few that got into our list of five best open source web scraping libraries. Of course there are gazillions of open source web scraping libraries as many keep propping up here and there, but in this post we’ll be reviewing what we think are the best ones.īelow are the five best open source web scraping libraries to follow and use.

Having known the above, we want to review the top 5 open source web scraping libraries there are today. Web scrapers have become so many and of course useful today because of the availability of what we know as Open Source Web Scraping Libraries.īasically, the web and everything related to technology as we know it has been so effected by open source projects that we can’t do without it, that is why even in web scraping, open source web scraping libraries are the way to go if you intend to build your own web scraping tool. This is especially true regarding search engines and other big data intensive web apps. Web scraping is no doubt one of the major component technologies that has aided the web to grow so big to what we have today.