Rakib

To avoid plugin territory warning for CPT and Meta Boxes, This is a great choice for you. Violet Custom Post Meta adds necessary CPT, Meta, Texonomy to develop awesome portfolio theme.
Post Types:
<ul>
<li>services</li>
<li>skill</li>
<li>portfolio</li>
<li>testimonial</li>
<li>team</li>
<li>partner</li>
</ul>
Note that this plugin function can be modify as your choice by filter Hooks.
Hook Lists :
<pre><code>vcpm_{post_type}_params //to modify post type args.
vcpm_portfolio_category_params //to modify portfolio texonomy.
vcpm_meta_fields_{post_type} //provides ability to add, remove, modify meta fields.
vcpm_meta_box //Provides ability to create, delete and modify meta box.
vcpm_meta_fields_control //Fields styte, presentation can be modify.
</code></pre>

Violet Custom Post Meta

Plugin for Theme developers, Who wants to build portfolio themes rapidly.

David Tufts

J Andrew Scott

brettgfitzgerald

This version is a beta pre-release, all functions and variables are subject to change without notice. Please report any issues to help make this a better product.
This plugin addresses many features that WordPress does not have out-of-the-box but that are interrelated in some way and should be included in one plugin as these features need to play well together. Here is a list of some features:
For Administrators
<ol>
<li>Allows for point-and-click post type management</li>
<li>Adds user roles and capabilities control</li>
<li>Adds content publication workflow</li>
</ol>
For Designers
<ol>
<li>Has an expanded multi-view template architecture, e.g. For Events, “Day View”, “Week View”, “Month View”, “List View”</li>
<li>Adds robust navigation, pagination, and taxonomy widgets</li>
<li>Adds advanced filtering and sorting</li>
</ol>
For Developers
<ol>
<li>Uses session-based data storage</li>
<li>Has object relationships (a la group-members, user-favorites, etc)</li>
<li>Turns your WordPress install into an public API</li>
</ol>
<ul>
<li>Adds a ReSTful API to any WordPress install</li>
<li>Uses OAuth authentication for remote API access</li>
<li>Object-oriented resource controllers (post type modules)</li>
<li>Post meta-types: people, items, locations, events</li>
</ul>

KickPress

KickPress gives your WordPress website a full featured API, including remote access authentication for 3rd party websites and mobile apps.

Violet Custom Post Meta vs KickPress