If you're writing your models with Django and not using migrations, that's crazy.
South and Nashvegas are two options for managing your migrations (really the only two I've ever heard of in practice). I use both, almost daily.
Nashvegas, is far and away the newer and lesser used. It doesn't do backwards migrations at all, and migrations are DB specific (although, much SQL is close enough that you can still use many migrations on other databases). That being said, it does one thing really well that south doesn't touch: your whole project.
South is app-centric, not project-centric. Much care has been made to make sure that you can start using south on your app part-way through development, where Nashvegas should really be used from the start. Converting to Nashvegas with a team requires though and planning, and with South, it requires one management command from each person (per app).
My "Daily Driver" is South, but it will be interesting to see if and where NashVegas gains momentum.
16th March 2011
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I'm Issac. I live in Oakland. I make things for fun and money. I use electronics and computers and software. I manage teams and projects top to bottom. I've worked as a consultant, software engineer, hardware designer, artist, technology director and team lead. I do occasional fabrication in wood and plastic and metal. I run a boutique interactive agency with my brother Kasey and a roving cast of experts at Kelly Creative Tech. I was the Director of Technology for Nonchalance during the The Latitude Society project. I was the Lead Web Developer and then Technical Marketing Engineer at Nebula, which made an OpenStack Appliance. I've been building things on the web and in person since leaving Ohio State University's Electrical and Computer engineering program in 2007. Lots of other really dorky things happened to me before that, like dropping out of high school to go to university, getting an Eagle Scout award, and getting 6th in a state-wide algebra competition. I have an affinity for hopscotch.