Live
Automation
Workflow Orchestrator
Founder-led automation systems for approvals, operations, and multi-step internal workflows across real business environments.
AutomationOrchestrationInternal Systems
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Aeterna is a lab for experimental AI products, intelligent automation, and advanced digital systems. Built by Hasan Yahşi.
6+
Experiments
3
Live Products
∞
Ideas in Queue
We don't build generic solutions — we design, prototype, and ship systems that solve real problems with precision. Every project starts as an experiment. We explore, iterate, and refine until the system works.
From AI prototypes to full-stack digital products — we cover the full spectrum of modern technology development.
Concept-to-working-model builds using advanced language models, vision systems, and generative AI.
End-to-end automation pipelines that eliminate manual work. Custom workflows and self-operating systems.
Next-generation UIs that push beyond standard patterns. Interactive, spatial, and context-aware.
Structured exploration of emerging technologies. Evaluating what's real and what's next.
Full product thinking — from market insight to architecture to working MVP.
Hands-on execution with founder-level ownership. Every detail matters.
Active projects, prototypes, and applied systems across automation, AI, and digital product development.
Founder-led automation systems for approvals, operations, and multi-step internal workflows across real business environments.
AI-powered document parsing, classification, extraction, and retrieval designed for structured operational use cases.
Context-aware assistant systems built to support internal teams with guided actions, knowledge access, and operational clarity.
Explorations in calm, intelligent interfaces that improve how people navigate complex tools, workflows, and information.
Focused concept development for healthcare, education, and operational environments where AI can create measurable advantage.
Selective digital products and experimental systems shaped directly through founder-led strategy, design thinking, and execution.
A selection of applied concepts and systems currently being explored inside the lab. These directions are actively shaped, tested, and refined.
Intelligent workflow concepts designed to improve coordination, visibility, and operational flow across clinical environments.
Structured document intelligence for classification, extraction, retrieval, and guided access across information-heavy environments.
Communication systems designed to improve patient-facing guidance, reminders, follow-ups, and structured care touchpoints.
Digital access concepts that help patients and families navigate consultations, care pathways, and connected service experiences.
Internal issue tracking and request management systems built to support departments, teams, and operational visibility.
Monitoring interface concepts focused on clarity, reassurance, and controlled access in sensitive operational environments.
Aeterna exists because most teams separate design, engineering, and product thinking. We integrate them — the result is systems that actually work.
Every product is part of a larger system. We design for interconnection, scalability, and long-term coherence.
We don't stop at proofs of concept. Every exploration is built with production architecture in mind.
We move deliberately. Every technical decision and interface detail is intentional — not reactive.
We study before we build. Understanding the landscape and evaluating tradeoffs before writing code.
Founder
Hasan Yahşi
Builder, systems thinker, and founder of Aeterna. Working across AI systems, automation, and digital products — not as separate disciplines, but as one integrated practice.
The lab is where I explore what's possible, test what matters, and build what lasts. Everything here is built with intention.
We work with select clients and partners on projects that push boundaries. Whether it's a collaboration, a question, or just a conversation — we're here.