What are some alternatives?
When comparing HelpJuice and ProProfs Knowledgebase, you can also consider the following products
Bitrix24 - Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!
ZenDesk - Zendesk is a beautiful, lightweight help-desk solution.
Bloomfire - Let Bloomfire help you get organized! Organize your content, build your company knowledge base and help your employees to be more successful.
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
Document360 - Self-service knowledge base software focused on SaaS Products & Enterprise Software Projects.
Zoho Desk - Industry's first context-aware Helpdesk Software