Quema Labs

With this plugin you can create as many portfolios as you want. This means that you can have multiple portfolios with multiple items each. It also registers taxonomies for tags and categories for each portfolio.
This plugin doesn’t change how portfolio items are displayed in your theme. You’ll need to add templates for archive-portfolio.php and single-portfolio.php if you want to customize the display of portfolio items.
It is based on the plugin Portfolio Post Types by Devin Price and Gary Jones but extended to allow multiple portfolios.

Multiple Portfolios

With this plugin you can create as many portfolios as you want. This means that you can have multiple portfolios with multiple items each.

jocke_gbg

In WordPress 2.9 custom post type was introduced, that opened a new world for many WordPress developers. 
When it comes to removing the slug and not destroying the rewrite rules for other post types this plugin works great. 
This only concerns those who are using %postname% as permalink structure and want to add a custom post type so that 
the urls for them are in the same way as normal posts and pages: http://siteurl/%custom_post_type_title%/.
Find more useful tips and plugins: <a href="http://www.ultimatewebtips.com/" title="More WordPress plugins" rel="nofollow ugc">Ultimate web tips</a>

Remove slug from custom post type

it is not work when i add title post type same title post

Not work if like title

In WordPress 2.9 custom post type was introduced, that opened a new world for many WordPress developers.

Multiple Portfolios vs Remove slug from custom post type