WordPress - WordPress is web software you can use to create a beautiful website or blog. We like to say that WordPress is both free and priceless at the same time.
Freshservice - Freshservice: the one-stop cloud solution for all your IT management needs.
Ghost - Ghost is a fully open source, adaptable platform for building and running a modern online publication. We power blogs, magazines and journalists from Zappos to Sky News.
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community
Craft CMS - Content management system built on Yii PHP Framework
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.