Web Scraping Tools with High Concurrency

Scalable Java Crawlers For Teams

Library or tool · Self-hosted

Build scalable Java crawlers on Apache Storm with low-latency processing, flexible customization, and an Apache-2.0 license.

Large-Scale & Distributed Crawling

Fast HTML Parsing for Python Workflows

Library or tool · Library / Self-hosted

Parse HTML with CSS selectors in Python using a fast, MIT-licensed library built for large-scale extraction.

HTML Parsers

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Find web scraping tools that support High Concurrency. Compare implementations, reliability, and pricing.