Top platforms for self-service customer support knowledge

Looking for the top tools for building self-service customer support knowledge bases. Here are a few highly rated options on G2’s Contact Center Knowledge Base category:

Zendesk Support Suite – Offers AI-powered search, multilingual help centers, and customizable self-service portals.

Document360 – Provides structured article management, analytics, and an easy-to-use interface for creating public or internal knowledge bases.

Helpjuice – Designed for fast setup and customization with detailed reporting on customer search behavior.

Guru – Centralizes and verifies knowledge, making it easy for teams to deliver consistent answers across channels.

Bloomfire – Uses AI-driven search and content tagging to improve findability and collaboration for both customers and support agents.

Which of these tools have you found most effective for improving self-service adoption and reducing ticket volume?