Kim Rees (of Flowing Data) writes:
Open data is everywhere. However, open data initiatives often manifest as mere CSV dumps on a forlorn web page. Junar, Lunfardo (Argentina slang) for “to know” or “to view,” seeks to help government and organizations take the guesswork out of developing their own software for such efforts.
If you are looking to explore options for making data available, this is worth a stop.
It won’t make you an expert at data visualization, any more than a copy of Excel™ will make you a business analyst. But having the right tools for a job never hurts.