Tattler (app) is an open source topic monitoring tool for today's Web. Tattler finds and aggregates content from the Web on topics you ask it to monitor. Using semantic Web technologies, Tattler mines news, websites, blogs, multimedia sites, and other social media like Twitter, to find mentions of the issues most relevant to your organization.

System Requirements:

• A VPS or dedicated server with 1GB RAM minimum, 2GB recommended.
• Up-to-date LAMP Stack. PHP 5.2. and MySQL 5.x required. PHP must have mod_rewrite enabled. An op-code cache like APC is highly recommended since it greatly improves performance.
• Required PHP settings: max_execution_time at least 120 seconds and memory_limit at least 128MB (190MB recommended)
• Caution: make sure cron is running properly, otherwise - no data will come in! You need to run cron frequently. Every 5 or 10 minutes, at the least.
• Tattler needs to be installed on a sub-domain. This release-candidate version is not, yet, fully tested with a subfolder installation mode.