Open Source Java Link Checking Software for Linux

Aracnis is a Java based framework for building distributed web spiders. These spiders can be used to accomplish a variety of tasks, for example, screen-scraping and link integrity checking.

Bugkilla is a set of java tools for the functional test of J2EE Web Applications. Specification and execution of tests will be automated for web front end and business logic layer. One goal is to integrate with existing frameworks and tools.

G.H.O.S.T. is a Java+C+SNMP-based tool for hierarchical adaptive distributed system-level diagnosis for local area networks.

Hostmon is a latency monitoring web app designed for ISP Support Technicians. Hostmon enables the Support Technician to provide a more rounded and detailed oriented service to his/her customers. Hostmon gives the Technician the ability to constantly monitor the network latency to hundreds of customer devices simultaneously. The Technician now has available, not only up to the minute network latency graphs for each device, but they can also view the historic latency information for monitored devices up to a year in the past. Hostmons note system lets multiple Technicians share up to the minute diagnostic information deciphered about each customer device enabling a collaborative diagnostic environment that allows customer facing issues to be identified and solved, quickly. Hostmons alert system will audibly notify the Technician immediately of any network issues causing downtime for the monitored customer devices, enabling the Technician to more effectively multi-task.

Monitoring tool with support to Websites, RSS, Webservices and Databases. Has notifications by email and RSS and you can access metrics like availability, latency and load time by a web-based GUI. Runs standalone with an embedded HTTP server.

Free website monitoring software, easy to set up and use for monitoring web sites. It is a web application programmed in Java programming language. You can monitor HTML pages, JSON and XML, pages in sitemap and even your whole web site using spider. Naturally you can check multiple websites. You can check HTTP result codes and even contents of the checked pages. Website checking is done periodically using build-in cron mechanism. In case of a check failure, application will automatically send email to site administrator.

Toke is a webmining toolkit for web exploring, indexing and searching for Java. Toke allows to you crawl public or private web sites, in order to create web estatistics, web Pajek graphs, Lucene indexs and word frequency files for data clustering.