For communities of any type

Create and use your community with Ptolemy

What is Ptolemy?

Ptolemy is the Online Community Engine, the web service that allows to create web based community. Using the web interface anyone can create a site around some interest in minutes.

At first glance: Ptolemy for community owners

At first glance: Ptolemy for users

Ptolemy site looks great on every device


For community owners:

  • Custom design, titles, categories
  • Custom footer and header
  • Custom Rules, FAQs, and About page
  • Custom or independent domain
  • Search systems will find your pages easily

For community users:

  • Create great posts
  • Create articles, blogs, news, and questions
  • Comment and rate
  • Report about abusive, spam, non-informative posts
  • Great search by keywords, categories, item types, tags



  • All the settings
  • Up to 5 communities
  • No custom domains

$7 / month

  • All the settings
  • Up to 20 communities
  • 2 custom domains