The customizable package we work with is Appgen, which now has a 5-user Linux version for around $600. This is the complete package that usually costs something like $800 / module for other platforms and more users.

Appgen is designed for fast and very economical customization. Like many mainframe accounting package, it's presumed you will customize it, that's it's main point, so there aren't a lot of bells and whistles built in. Appgen is a "post on demand" system and is approved by accountants organizations.

Customization is done by an Appgen VAR, who has the complete development package, a support contract and training. It is very expensive for an end user to get this stuff, though there is a $300 compiler available for on-site use. We outsource all programming to a guy who specializes in Appgen programming because that's the most economical approach.

Another package we have one client running is DataPro. He was running the DOS/LAN version, but they had to recode as 32Bit Windows text to be compatible with Win2k, and that blew network performance completely out of the water. He is now running the Linux version with terminal emulation on his Windows desktops. This is a more "polished" package, since customization is much more difficult than with Appgen.

We also represent Vigilant, which has general / wholesale distribution and point of sale versions running under DOS, Windows and Linux. As with any package with limited customization, care must be taken that it fits the job. Vigilant's flagship product is their new Linux multi-store POS system which has some very significant advantages over competing products.

Once again, the devil is in the details. A fine package can be useless in the wrong place.