Open-source tool that monitors web pages for changes and sends alerts via Discord, email, Slack, Telegram and webhooks. It supports tracking content edits, price changes, restock alerts and website defacement, with JSONPath or jq filters for monitoring specific parts of JSON data. A hosted subscription is offered.
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Visualping is a website change detection and monitoring tool. It watches web pages and sends alerts via email, SMS, API or Slack when a change is detected, with highlighted screenshot comparisons of added and removed text. Users can manage pages and teams and invite colleagues to projects.
urlwatch is a tool that monitors webpages and notifies users when they change, via e-mail, in the terminal or through third party services. Notifications include the changed URL and a summary of the change. It uses YAML-based configuration and concurrent downloads, and can send changes via e-mail, Telegram, Slack and Pushover.
Distil is a tool for monitoring webpage changes. Users can select specific parts of a page to track, and receive alerts via email, push notification, Slack, Discord, or SMS when changes are detected. It offers 24/7 cloud monitoring, version history for tracked pages, and support for monitoring password-protected pages, PDFs, and private pages.
Competitor Research is a competitive research tool. It takes a website URL and produces a ranked list of competitors, which users can curate into watchlists. It provides profiles covering positioning, pricing, launches, and other data, and sends weekly signals about competitor changes. Some features, including real-time change alerts and SEO and keyword movement, are listed as coming soon.
Wappalyzer is a service for sales and GTM teams that builds technographic prospect lists, enriches CRM records, and monitors competitor installs using data from millions of websites. Its technology lookup reveals the technologies, company details, and contact data behind a website, while website alerts notify teams of stack changes at monitored sites.