I2P source installation instructions Prerequisites to build from source: Java SDK (preferably Sun) 1.5.0 or higher (1.6 recommended) Apache Ant 1.7.0 or higher Optional, For multilanguage support: The xgettext, msgfmt, and msgmerge tools installed from the GNU gettext package http://www.gnu.org/software/gettext/ To build and install I2P from source, you must first build and package up the appropriate installer by running: ant pkg This will produce a few key files: * install.jar: the GUI and console installer * i2pinstall.exe: the GUI and console installer wrapped for cross-platform execution * i2pupdate.zip: the update package From there, you can run the headless (console mode) installer: java -jar i2pinstall.exe -console Or run the GUI installer: java -jar i2pinstall.exe Or move the update file into an existing installation directory and restart. Supported JVMs: Windows: Latest available from http://java.sun.com/ (1.5+ supported) Linux: Latest available from http://java.sun.com/ (1.5+ supported) FreeBSD: Sun 1.5-compatible (NIO required) various: http://www.kaffe.org/ Sun 1.5-compatible (NIO required)