corlax

This plugin help your visitor to publish post and from frontend anywhere on your site. this plugin have so many feature like guest posting, captcha, upload image, any custom post-type, taxonomy etc. 
Features:- 
Let visitors submit posts from anywhere on your site 
Easy integration shortcode to display the submission form 
captcha support protect from spam 
Post submissions may include title, category, author, post and image(s) 
Customize label In front End 
Enable/disable option for hide any option title, category, author, post and image(s)
Extra Features:- 
Post Type and taxnomy Support 
Publish post or Pending post 
Enable/disable Captcha 
Enable/disable Guest Posting 
Success Message 
Image size

Advance Guest Post

This plugin help your visitor to publish post and from frontend anywhere on your site. this plugin have so many feature like guest posting, captcha, u …

PaoloBe

Post via Dropbox is a easy way to update your blog using Dropbox, the famous cloud sharing service. It permits to add or edit your posts with text files uploaded via Dropbox.
Once you linked your Dropbox Account, you can upload text files into your Dropbox folder for updating your blog. It supports also Markdown syntax. 
Everything happens automatically and without further actions on your part.
Please read the readme file or Help & Faq section for further informations and instructions.
Post via Dropbox requires WordPress 3.0 (and above), PHP 5.3.0 (and above) and a Dropbox account.

Post via Dropbox

Post via Dropbox allows you to post or edit your blog with text files uploaded via Dropbox. It just works seamlessly without any effort.

Advance Guest Post vs Post via Dropbox