One Signal bot for multilingual groups: Language Threads, same-group translation, and voice-to-text — hosted in a hardware TEE.
Sigstack is not a general AI chat assistant. It translates and transcribes inside Signal so organizers can run multilingual rooms without leaving the app.
Diagrams first — so organizers can picture fan-out before learning commands.
Language Threads animation. First a message from the multilingual main fans out to language
sidecars. Then a Spanish sidecar reply relays into main and translates into the other sidecars.
Main → sidecars: relay matching language, translate the rest
Sidecar → main: relay only (main stays multilingual)
Sidecar → other sidecars: translate
Different products, different language lists. Language Threads supports more languages than in-chat auto-translate. In-chat auto requires
local text detection — Basque and Swahili are available in Language Threads and manual !translate only.
32 languages · !translate-me-thread, Bilingual Threads, !list-langs
· In Signal: !list-langs