SmallSeoTools Offers one of the best backlink checker tool to find and research google backlinks. Enter your domain and click the button to check backlinks for free.

Find competitors' backlinks you can replicate easily. LinkMiner is an easy-to-use backlink checker with more than 9 trillion backlinks. Try it now for free!

Amar- has one repository available. Follow their code on GitHub.

An open source intelligence tool to crawl the graph of certificate Alternate Names - GitHub - lanrat/certgraph: An open source intelligence tool to crawl the graph of certificate Alternate Names

The Stanford Internet Research Data Repository is a public archive of research data about the hosts and sites on the Internet.

Monitor, track and archive website changes. Compare visual, text, keyword, image and HTML change history. Get detailed alerts.

Monitor website changes for web change detection alerts and reports.

Track and Monitor Website Changes. Get alerted on web page updates and build competitive archives of website screenshots.

Watch (parts of) webpages and get notified when something changes via e-mail, on your phone or via other means. Highly configurable. - GitHub - thp/urlwatch: Watch (parts of) webpages and get notif...

Trackly tracks webpages you care about and notifies you by email when they change

Download WebChangeMonitor for free. Monitors a number of web pages for changes. Monitors a number of web pages and tracks changes based on the content of the web pages. Allows to monitor several protocols, including HTTP and HTTPS.

Your friend for reading feeds.

CappuccinoYour inbox for news

Download Drop Feeds for Firefox. Drop Feeds is a lightweight RSS and Atom feed aggregator that lets you manage your RSS feeds in a folder tree view in the sidebar. It's inspired from Sage feed reader by Peter Andrews / Sage++ (Higmmer's Edition) by Higmmer.

A fast, simple RSS feed reader that delivers a great reading experience.

Feedbro Feed Reader with an integrated Rule Engine - follow Atom/RSS/RDF based blogs, social media sites and news effortlessly!

Feeder is the news manager that tracks any online source you choose and bundles it into an easy-to-digest reading experience.

An API service for searching websites for RSS, Atom, and JSON feeds.