Chainsaw is a java-based GUI software tool to view and analyze computer log files - specifically logs generated by the Log4j logging system. Both Log4j and Chainsaw are Open source projects under Apache Software Foundation. The latest release is Chainsaw v2. Chainsaw can read log files formatted in Log4j's XMLLayout, receive events from remote locations, read events from a DB, or work with JDK 1.4 logging events. License The project is licensed under Apache License, V 2.0. Dependencies may not follow the same licensing. Alternatives Open Source License glogg Lilith LogExpert OtrosLogViewer Logbert Commercial License BareTail LogMX LogViewPlus ReflectInsight Log Viewer References External links Apache Logging Services Chainsaw v2 Home JavaDoc API reference for Chainsaw v2 Apache Software Foundation Java (programming language)