I've been a busy beaver this week, and I've compile several packages into an ipk feed.

http://pdaxfeed.dyndns.org:8080

Feel free to mirror these files.

At this point the feed contains:

AdvanceMAME
AdvanceMENU
AdvanceMESS
Crimson Fields
Ctorrent
pdaXmame-sdl
pdaXmess-sdl
synaesthesia
xaos
xmame-sdl
xmess-sdl

I'm currently working on Daphne-Emu,GRASS GIS, abuse-sdl, and glTron.
If there is any package the you would like me to attempt, send me a request.

Instead of GRASS GIS, why not take a look at QGIS ? It doesn't have the same posibilities, but it's easier to use. Or maybe you want to do both of them ?
BTW : there is a version of GRASS around that runs on pdaX (also on sharp-rom with a special X-server).
I have tried QGIS myself (about a year ago), but had a rendering problem I wasn't able to solve.

Good luck
Chero.

Some ham radio apps would be cool and would bring more people over too linux on a pda too.
If you do any ill post to ham user groups im involved in.
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from here http://www.qsl.net/pg4i/linux/
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Xlog, a logging program for Amateur Radio Operators
http://www.qsl.net/pg4i/linux/xlog.html

Xcall, a packet radio program for X
http://www.qsl.net/pg4i/linux/xcall.html

Colrdx, a ncurses tcp/ip DX-cluster client
http://www.qsl.net/pg4i/linux/colrdx.html

Xdx, a GTK+ 2.0 tcp/ip DX-cluster client
http://www.qsl.net/pg4i/linux/xdx.html

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from here http://users.telenet.be/on4qz/qsstv/index.html
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QSSTV not tx only version but this one http://users.telenet.be/on4qz/qsstv/downlo...stv-5.3c.tar.gz

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from here http://www.qsl.net/n1vtn/phaseshift.html
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PhaseShift is a PSK31 communicator with a GUI based on the Qt (1.4.x or 2.x.x) library
ftp://sunsite.unc.edu/pub/Linux/apps/ham/...hift-0.4.tar.gz
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or any others that are easy to port