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How to:
http://linuxdevices.com/articles/AT8047723203.html

Utility to do most of it for you:
http://ffem.org/daveb/pkgwrite/

OpenPKG seems like an interesting portable packaging framework. I would be interested to hear from people that have had any exeprience with this.

PkgWrite is a perl tool that builds debian and rpm packages from a single spec file. GNU/LGLP with liberal relicensing. I suppose it will not save any dependancy issues for you.

EMP is a commercial solution, offering native packages (debian, redhat, solaris, HPUX etc.) and script-based installs. It costs $99, has a stale web site and I never tried it. But for commercial software, perhaps it can help you.

STOW is a free perl-based fancy package manager that was pushed by IBM at one time.

But at the end of the day, it is not very difficult to prepare debian and rpm package specs, build chrooted building environemnts and support several distros. Users are really happy when they can apt-get install your software, even if it is binary-only and from your own server. If you don't have nasty kernel dependencies, chrooted building environment might be easier than it seems. And you will only ever be sure in the case of binary distribution if you can build and test your package yourself. And if you have users who want graphical installers, you can always trick Loki to install a standard package. Which should be its default behaivour anywyay, IMHO.

Try gdam, I havn't seen it in any distros yet.

GDAM is a digital dj mixing software package. It aims to be a powerful, professional-quality music mixing and remixing system, suitable for live performance. It was conceived on some beautiful summer morning (in 1998), and developed with drive and enthusiasm that seemed completely unnatural. Over four years later, we have achieved many of our goals; yet, development continues. Here is a list of features:

client-server architecture based around glib
streaming and mixing of any number of mp3 files
dynamic filter insertion and removal
multiple sound device support (see the faq)
plugin support
cacheing / playing loops
contiguous queueing - plays albums without gaps between songs, regardless of output buffer size
dj turntable-style interface
assisted beat matching
waveform viewer / beat calculator
sequencer
record from any point in the stream, to disk or another process
gtk gui's, with simple skin support
flexible command-line interface
gdam123 - an mpg123 clone that talks to a gdam server
Users Guide
hardware input support (midi and other)
support to use LADSPA plugins
support to create LADSPA plugins graphically
online help

checkout GDAM, you can mix mp3's in real-time etc....

Try GDAM! Designed by DJs, built by DJs...

that article mentioned some commercial software due out by the end of the year to make dj-ing with mp3s easy.

time to shamelessly plug gdam an open source mp3 dj-ing app some friends of mine have been hacking for over three years now, which imho is totally awesome. using gtk and runs under linux, os/x, and maybe even windows (don't know about that last one for sure).

one of the main developers is a dj in the burgeoning new york electronic dj scene.

check it out.

Peep it at: http://gdam.ffem.org/

By the way, I use vinyl, but would pay to have a pitch/speed control hack for the iPod software.

Peep it at: http://gdam.ffem.org/

By the way, I use vinyl, but would pay to have a pitch/speed control hack for the iPod software.

While on the topic of digital DJ'ing - if you're looking for software, check out MixMeister. It's one of the most interesting DJ software titles around, with great waveform and BPM manipulations tools (ie. changing speed without changing pitch), and smart automatic beat matching.

I understand the free GDAM has similar abilities, but I haven't used it. Any comments from those who have would be appreciated!

Is there good Free software to do this kind of syncing ?