ForkFree

Stacks

Track competitors and prices on the web

Watch competitor sites, prices and news, and get a regular summary of what changed.

For small retailers, marketers and researchers who check rival sites by hand. changedetection.io spots changes, Scrapling and Crawl4AI collect data, DuckDB analyses it and Grafana shows it.

  1. 1

    changedetection.io

    Alert you when a page, price or stock level changes

    Instead of Price Alarm. Apache-2.0 Ready to use

  2. 2

    Scrapling

    Collect structured data from pages that need more than a simple check

    Instead of . BSD-3-Clause Worth a look

  3. 3

    crawl4ai

    Turn competitor pages into clean text for reading or summarising

    Instead of . Apache-2.0 Worth a look

  4. 4

    duckdb

    Store and query the collected data in plain files

    Instead of . MIT Ready to use

  5. 5

    grafana

    Chart price history and changes over time

    Instead of Datadog. AGPL-3.0 Worth a look

Before you start

["Scraping may breach a site's terms of use and some sites block it. Check the rules before you collect data.", 'Scripts break when sites change their layout, so expect occasional repairs.', 'Scrapling and Crawl4AI need some Python or command-line comfort.', 'grafana uses AGPL: if you change it and offer it to others over a network, you must share your changes.']