Your license fee is all-inclusive of support and first party add-ons.

Included in Perch In Perch Runway In FREE add-on
Edit HTML, XML, JSON or other text content
Use HTML5, Bootstrap, Foundation or any front-end code of your choice
Upload, resize and crop images
White-labelled admin area
Roles and permissions for content editors
Undo, Drafts and Preview
Create new pages from a template
Generate site navigation and breadcrumbs
Share content across multiple pages
Organise content with categories
Filtering and sorting of content
Repeating content regions
"Custom Fields" everywhere
Dashboard Widgets
Translatable admin area
Choice of Rich Text Editor (or choice not to use one!)
Markdown or Textile editing
Upgrade path from Perch
Front-controller with URL routing
Cloud storage with Amazon S3 and Rackspace Cloud Files (OpenStack)
Distribute assets through a Content Delivery Network (CDN)
Built-in automated database backup and restore
Backup content to Dropbox, Amazon or Rackspace
Store large volumes of content in Collections
Review edit history, and revert to specific revisions
Purge from a Varnish cache when pages change
Basic export of database and uploaded content
Add a blog with comments, categories and RSS
Moderated comments on blog posts or any other content
Members section of your site
Events calendar and listing
PayPal Cart Integration
FoxyCart Cart Integration
Image Galleries
MailChimp API Integration
Twitter API Integration - show tweets on your site
Host podcasts with RSS feeds on your site