Knowledge base billed per author, readers unlimited
$100/seat/mo·+$25 per seat
Knowledge Base
A standalone knowledge base for public and internal documentation that charges a flat monthly fee plus $25 per author, never counts readers, and meters its AI chatbot in credits spent on retrieval.
Git-backed docs platform billed per published site
Free, then $65/seat/mo·+$12 per seat
B2B SupportKnowledge Base
A docs and knowledge base platform with two-way GitHub and GitLab sync, billed at $65 or $249 per published site per month plus $12 per collaborator, with no ticketing.
Email, SMS, WhatsApp, Messenger, Instagram and live chat in one collaborative inbox, priced per user from $14 a month with no free plan, no ticket metering and bring-your-own-key AI.
A GPLv2 forum priced per site at $100 or $500 a month on Discourse hosting, with unlimited members and capped staff seats at every tier, or run free on your own server.
Enterprise AI concierge with unpublished per-conversation pricing
Sales-gated
AI SupportVoice AI
Chat, voice and email AI agents for enterprise support, billed either per incoming conversation or at a higher rate per resolved one, with no price published anywhere.
A knowledge base platform for product docs, API references and SOPs that sits beside Zendesk or Freshdesk, publishes no prices at all, and quotes against team accounts, workspaces, languages and AI usage.
An AGPL-3.0 help desk that is free and feature-complete self-hosted, or €7 to €25 per agent monthly on hosted plans running only in German data centres, with AI billed at €0.03 per call.
A self-hosted shared mailbox and help desk under AGPL-3.0 with no agent or ticket limit, where tags, saved replies, workflows, the API and the knowledge base are one-off paid modules.