SD Tech Systems — Interactive portfolio showcases / Muestras interactivas These static showcases are separate from the products and use fictional data. They do not include product backends, production data, credentials, AI engines, media providers or operational integrations. Akashic Vault: visual reconstruction authorized by the product owner for this portfolio. Original product remains proprietary; no original product source is distributed in this showcase. OpenMultiPOS: presentation adapted from the owner's OpenMultiPOS administrative workspace. Original project built on ERPNext, Frappe and X POS. The adapted OpenMultiPOS presentation is available as source in SDTechSystems/portfolio under GNU GPL v3; license: ../licenses/OpenMultiPOS-GPL-3.0.txt. Original source: https://github.com/SDTechSystems/OpenMultiPOS EasyDrink: independently implemented visual reconstruction of the owner's EasyDrink adaptation of FreeKasir. Upstream: Copyright (c) 2025 KasirGratisan, MIT License; notice: ../licenses/EasyDrink-MIT.txt. Original source: https://github.com/SDTechSystems/EasyDrink Akashic TV: independently implemented visual reconstruction authorized by the owner. All sample titles and poster artwork are fictional. No providers, private builds, keys or original product source are distributed here. TaskTone: adapted landing-page presentation; the order workspace is an independently implemented conceptual showcase of the planned workflow, not a claim that the prototype has completed its backend. Original MIT notice: ../licenses/TaskTone-MIT.txt. Source: https://github.com/SDTechSystems/tasktone Sample audio, poster illustrations and demo fixtures were created for this portfolio. Fonts retain the licenses in ../fonts/.