Third-party software

The customer-runtime services Tchatix depends on, with their licenses and an explicit statement of which (if any) paid-tier features are in use. This page is updated within the same release window as the underlying versions per spec 003-kestra-migration SC-008.

Kestra

OSS · v1.3.16 · Apache 2.0

Workflow execution engine — runs the automations Tchatix users author through chat or the visual editor.

Paid features in use: None.

Source: https://github.com/kestra-io/kestra

RAGFlow

OSS · 0.16.x · Apache 2.0

Knowledge-base ingestion + retrieval for chat grounding.

Paid features in use: None.

Source: https://github.com/infiniflow/ragflow

Supabase

Self-hosted · Latest stable · Apache 2.0 / MIT

Postgres + Auth + Storage backbone.

Paid features in use: None — runs on self-hosted Supabase.

Source: https://github.com/supabase/supabase

OpenRouter

API · live · Commercial API

Model router for the chat surface — routes each conversation to the picked model (Claude, GPT, Gemini, Mistral, etc.) and reports authoritative usage + cost on every call. Cost is captured directly from the adapter response.

Paid features in use: Pay-as-you-go model usage — Tchatix bills customers for AI consumption at cost-plus.

Source: https://openrouter.ai

License audit: an external review confirms the deployed image manifest contains zero usage of features outside each engine's permissively licensed tier (spec SC-009).