Sourceful Labs

FTW — a local-first home energy management system (EMS) for solar, batteries, grid, and EV charging.

FTW Cloud: an opt-in, box-signed, readable copy of each home's state for the FTW apps. It reads and never controls. AGPL-3.0-only.

Public source, contracts and tests for Sourceful device drivers

FTW native app — SwiftUI + Compose, KMP shared client for local-first home energy.

Canonical website for FTW — open-source, local-first home energy coordination.

FTW webapp — the installable client for local-first home energy coordination. Edge-authoritative, client-local, cloud-blind.

Getting-started guides for Sourceful Zap, Blixt and Blixt X, with printable one-pagers in English and Swedish.

Official Home Assistant add-ons for Sourceful FTW

Sourceful Energy Developer Docs