With just a few lines of code you can give your users that wizard feel that they missed from the desktop. Wow them with the ease of use. Build dynamic wizards on the web with very little code. Sticking to convention over configuration, I think that this plugin will be useful
and familiar to seasoned Rails developers, but easy enough for the new
Rails developers, too.
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This plugin allows you to manage your plugin using browser in a totally non-intrusive manner.

Although it is a plugin I have put up the whole project on the github since it is much easier to play with the plugin in this way. If you want the plugin then go to vendor/plugins directory and copy roll_admin_model directory from http://github.com/neerajdotname/roll_admin_model/tree/master.

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This Plugin converts an amount of money from one currency to another. You can convert from and to any of the following currencies:

EUR, USD, JPY, BGN, CZK, DKK, EEK, GBP, HUF, LTL, LVL, PLN, RON, SEK, SKK, CHF, ISK, NOK, HRK, RUB, TRY, AUD, BRL, CAD, CNY, HKD, IDR, KRW, MXN, MYR, NZD, PHP, SGD, THB, ZAR

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There is very useful plugin for Ruby on Rails applications. It is designed with SEO in mind, and it makes keeping your meta title tags, and your <h1> tags in sync easy.

The plugin is hosted at http://github.com/DefV/title_helper/tree/master

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Hardly any web application this day won’t need file upload, mainly for all the media types, photos and videos. When using framework like Ruby on Rails, there are all kinds of plugins you can pick to speed up your development. For example, file upload, there are three major ones available.

These three file upload plugins are Acts As Attachment, File Column Plugin and FlexImage. The last one has nothing to do Flex, just you know. Before I start the review and comparison, I’d like say Ruby on Rails is great but documents from Ruby on Rails developers suck!

They all use RMagick to resize uploaded image and create multiple versions in different sizes.
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