Tessio vs Zammad

Tessio is an IT service desk platform with an integrated AI teammate called Tess. Tess can triage tickets, route them to teams, draft replies, summarize conversations, find similar tickets and search the queue in natural language. The service desk includes ticket queues, intake forms, workflows, SLAs, email-to-ticket, asset and device inventory, dashboards, custom reports and a brandable requester portal. Its knowledge base supports article revisions, and Tess can answer from articles with cited sources. Tess connects to OpenAI and compatible endpoints such as Azure OpenAI, Ollama, LM Studio, vLLM and local gateways. Self-hosting is available through Docker Compose, a single container or Kubernetes; a hosted Cloud edition is also listed. Community is AGPL-licensed and costs nothing, with five admin/agent seats and unlimited requesters.

Zammad is a support platform for customer service, IT support, and internal operations. Teams can handle requests from multiple channels, assign and prioritize tickets, and add internal notes. Templates, bulk actions, and automation are available to cut down on repetitive support tasks, and the product includes a knowledge base. Its web app supports more than 40 languages. Hosted plans start at €7 a month (billed Annually): Starter v2 supports up to 5 agents, Professional v2 up to 35, and Plus v2 has no agent limit. Their listed channels and storage allowances vary by plan. A free plan and a 30-day trial are listed. Zammad also has a self-hosted version for customer servers, where the customer handles updates, backups, and availability. Listed platforms include API, Linux, self-hosted, and web. The product provides a REST API and lists integrations such as LDAP, Sipgate, Checkmk, and Nagios. Zammad 7.0 includes AI agents, ticket summaries, and a writing assistant; optional AI features cost €0.03 per AI call.