Prerequisites to build from source: Java SDK (preferably Oracle or OpenJDK) 8 or higher Non-linux operating systems and JVMs: See https://trac.i2p2.de/wiki/java Certain subsystems for embedded (core, router, mstreaming, streaming, i2ptunnel) require only Java 6 Apache Ant 1.9.8 or higher The xgettext, msgfmt, and msgmerge tools installed from the GNU gettext package http://www.gnu.org/software/gettext/ Build environment must use a UTF-8 locale. To build: On x86 systems do: ant pkg On non-x86, use one of the following instead: ant installer-linux ant installer-freebsd ant installer-osx Run 'ant' with no arguments to see other build options. See INSTALL.txt or https://geti2p.net/download for installation instructions. Gradle build system: Full builds are not yet possible, but the command is: ./gradlew assemble gradlew will download dependencies over the clearnet by default, including Gradle itself. To download over Tor, create a gradle.properties file containing: systemProp.socksProxyHost=localhost systemProp.socksProxyPort=9150 Documentation: https://geti2p.net/how API: http://docs.i2p-projekt.de/javadoc/ or run 'ant javadoc' then start at build/javadoc/index.html Latest release: https://geti2p.net/download To get development branch from source control: https://geti2p.net/newdevelopers FAQ: https://geti2p.net/faq Need help? IRC irc.freenode.net #i2p Bug reports: https://trac.i2p2.de/report/1 Contact information, security issues, press inquiries: https://geti2p.net/en/contact Twitter: @i2p, @geti2p Licenses: See LICENSE.txt