jailer

Builds and maintains chrooted environments

Jailer is a simple script to help system administrators to create and maintain chrooted (that is, jailed) environments. It uses a simple configuration file which can be used to describe the location of configuration files, Debian packages and files or directories used to build the chroot environment.

jailtool

tool to build chroot-jails for daemons

Jailtool provides an easy way to build chroot-jails for daemons. It can make use Debian package information. The jail is copied from the base system, the amount of copied data can be configured.
Audio mastering from a mixed down multitrack source with JACK

jamin

Audio mastering from a mixed down multitrack source with JACK

JAM is a tool for producing audio masters from a mixed down multitrack source. It runs in the JACK Audio Connection Kit, and uses LADSPA for its backend DSP work, specifically the swh plugins created by Steve Harris, JAM's main author.

jardiff

tool to visualise API differences between two JAR files

Jardiff is a tool to help visualise API differences between two different versions of a project.

jasmin-sable

Java class (.class) file assembler

Jasmin is a Java ASseMbler INterface. It takes ASCII descriptions of Java classes, written in the Java Virtual Machine instruction set in an assembler-like syntax.

tftpd

Trivial file transfer protocol server

Tftpd is a server which supports the Internet Trivial File Transfer Protocol (RFC 783). The TFTP server operates at the port indicated in the `tftp' service description; see services(5). The server is normally started by inetd(8).