Nice open source Applications created in Ruby on Rails

Hi….today i just seen the applications which are all created in Ruby on Rails.

Here are the few applications created by ruby rails

1) Notes

Notes is an open source (Reciprocal Public License) Ruby on Rails application designed to be a simple and fast to-do and notes manager.

2)Tracks

A to-do-list manager with a clean interface. Tracks lets you to categorize, prioritize, schedule & star items for a better usability .

Interface is Ajaxed & many tasks are done by drag’n drops. The application has multi-user support & comes with a built-in web-server for user who want to install it to their computers.

3) Mephisto

A widely used blogging engine that has ready-to-use plug-ins..

It uses Liquid templates for creating & editing themes. Mephisto also has a built-in caching system for faster loading.

4) Gallery

A simple but functional photo gallery built with Ruby on Rails.

It uses the lightweight mini_magick to resize photos, reducing the memory requirements of the full RMagick suite.

Photos can be sorted by drag’n drops, captions can be edited easily & the look/feel can be customized via CSS.

5) Spree

Spree is a highly extensible & customizable e-commerce application. Developers can easily override existing views, provide new ones or provide additional models, migrations and controllers

6) Ecompages

EcomPages is an e-commerce application which has most of the basic features of an e-store.

It has a good looking admin interface that makes managing products & orders easier.

The application is still being developed & is not feature-rich but can be a good base to start with & improve further.

7)  EchoWaves

This is a group chat social network application. You can start conversations and connect wih other users while discussing it.

It is possible to make a conversation read-only for presenting a content too.

8) Communityengine

A plugin for Ruby on Rails applications for having the features of a social netwoking website instantly.

Some great features include:

• Authentication (sign up, log in), user search & user profiles
• Blogs with tagging, categories and rich text editing
• Photo uploading and tagging
• Commenting, forums, friendship, activity feeds & more

9) Rubyurl

RubyURL is an online tool for converting long website addresses into short ones.

Besides the standard form input, it is possible to create short URLs via the REST API which supports both JSON & XML requests.

10) Mailr

Mailr is an open source webmail application that can be used with any IMAP server.

E-mails can be created both in HTML & plain text. E-mail addresses in the contact list are Ajax-auto-completed just like Gmail & more.

11)  Warehouse

This is a beautiful web-based subversion browser built with Ruby on Rails.

Multiple repositories can be managed from the same interface. Also, it is possible to add any number of users with different permissions.

12) typo

A Ruby on Rails blogging application that is developed continiously.

It comes with theming & plugins support for easier customization. Every part is planned for a better SEO, like friendly-URLs, ability to add keywords/description to every category/page & more.

Thanks for reading. Enjoy the framework with Rails …:)

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How to add Gravatar to the user in Ruby on Rails

HI…to all today i learnt how to set Gravator to the user.. Lets create a rails project like this.. $ rails new gravator

$ cd gravator

now create a scaffold for the gravator by

$ rails g scaffold users avator email:text

now migrate db and run server

$ rake db:create

$ rails s 

now open browser and add few users localhost:3000/users

now we have to add gravatar to the user..

open app/helper/application_helper.rb

module ApplicationHelper
  def avatar_url(user)
    gravatar_id = Digest::MD5::hexdigest(user.email).downcase
    "http://gravatar.com/avatar/#{gravatar_id}.png"
  end
end

apps/views/users/index.htnl.erb

<% @users.each do |user| %>
<%= image_tag avatar_url(user) %>
<%= user.email %><%= link_to 'Show', user %><%= link_to 'Edit', edit_user_path(user) %><%= link_to 'Destroy', user, :method => :delete, :data => { :confirm => 'Are you sure?' } %>
<% end %>

Now run the server by rails s

output:

Thats it…now we added gravatar to the user…Thanks …

Install Ruby in Linux

Hi ..To install ruby do the following..

There are 3 ways to install

1)Open the terminal and type

sudo apt-get install ruby

It will ask for the password after giving password it will install ruby.

To check ruby is installed in your system type the following command

ruby -v

It will return the version of the ruby installed in your system such as

ruby 1.8.7 (2010-01-10 patchlevel 249) [i486-linux]

 

2)To install ruby from ubuntu software center

Open the ubuntu software center and search ruby then

click the ruby to Install.

3)To install by synaptic packet manager

Open the synaptic packet manager

Search the ruby package

Mark Ruby for installation

Click Apply in above panel

It will install ruby in your system..

 

Now you have successfully installed ruby in your system and now start working on it.