Digital Health, Without the IT.

TenaOS is the AI-native clinical OS that lets any primary care clinic run a fully digital practice.

No Software Team! No Internet! No Code! Built on open clinical standards, grounded in WHO and MSF guidelines, and designed to keep every patient record inside your facility.

TenaOS-v1 Voice Scribe & Vision Encoder WHO + MSF knowledge base

One Operating System.
Every Primary Care Workflow.

TenaOS replaces months of EMR configuration, clinical documentation, decision support, patient education, and public health reporting with a single offline system, configured in plain language. Standards-based and ready to plug into national health information infrastructure.

Our Approach

Designed for Clinical Rigor

TenaOS is a clinical-grade AI system designed for real-world care delivery, built around frontline workflows, safety requirements, and evidence-based practice.

  • Interoperable by Design

    Built on FHIR R4 and REST API standards. TenaOS connects to existing health information infrastructure without proprietary connectors, enabling integration with national EMRs and referral networks.

  • Adapts to Clinical Context

    Differential rankings, drug guidance, and clinical protocols are configurable to local disease burden, formulary, and care level. TenaOS does not impose a single global model on diverse clinical environments.

  • Fully Open Source

    The complete codebase is publicly available, auditable, and free to deploy. Ministries of Health and implementing partners retain full ownership with no licensing fees and no vendor dependency.

The Platform

What TenaOS
Is Made Of

TenaOS is built as four tightly integrated layers. A trusted open-source EMR core, an on-device AI agent that turns plain language into clinical action, a standards layer that codes every record to international medical terminologies, and a clinical safety middleware that keeps every AI output reviewable by a clinician.

Open EMR Foundation

  • Built on OpenMRS, a globally trusted open-source EMR core
  • Deployed in 70+ countries and 8,000+ facilities
  • Patient records owned by the facility, never the vendor
  • Standards-aligned data model from day one

On-Device AI Agent

  • Runs entirely on local edge hardware
  • Multimodal: text, voice, and clinical images in one model
  • Configures forms, scribes consultations, and answers questions in plain language
  • Native support for local languages, including Amharic

Standards & Coding Layer

  • Every observation coded to international standards
  • CIEL, ICD-10, SNOMED, and LOINC out of the box
  • FHIR R4 queryable from day one
  • Locally owned, internationally compatible health data

WHO + MSF Knowledge Base

  • 400+ WHO and MSF guideline documents indexed locally
  • Searched during every clinical response
  • Every answer cites the source guideline
  • Updates ship without an internet connection
< 1 day from setup to customization to deployment
100% cited, every recommendation traced to a guideline
0 lines of code to go fully digital
100% on-facility data, no cloud

TenaOS is open and inspectable.
The model card and source code are public.

View on HuggingFace View on GitHub
The Problem

Why Digital Health
Doesn't Reach Primary Care

Most digital health pilots in low-resource settings never reach sustainable scale. The reason isn't technology, it's assumption. Every existing solution assumes the clinic has a software team, an internet connection, and a budget for implementation. Most don't.

The Implementation Tax

Setting up a digital clinic means weeks of form configuration, terminology mapping, and workflow design that only specialists can do. Most facilities cannot afford that team, so the system never gets built, or never gets used.

The Documentation Burden

When clinicians have to type structured notes, code diagnoses, and fill registers themselves, paper wins. The clinic might have an EMR, but the records that matter still live in a notebook on a shelf.

Decisions Made Alone

A single clinical officer is often expected to manage malaria, TB, hypertension, pregnancy, and pediatric emergencies in one morning, with no specialist on call and no protocol library at the bedside.

Data That Goes Nowhere

Even when records are captured, they aren't standardized, queryable, or visible to the district. Facilities cannot report. Ministries cannot see. Outbreaks are spotted late, if at all.

4 billion people in the developing world
1 : 50,000 clinician-to-patient ratio
3% of global clinical workforce
25% global disease burden
Solution

Four Workflows.
One Conversation.

TenaOS replaces four separate systems, and the implementation team that usually comes with each one, with a single conversational layer that runs offline inside the clinic.

Configure in Plain Language

Describe the forms, registers, and workflows your clinic needs. TenaOS builds them, codes every field to international medical standards, and publishes them into the EMR. The implementation team is replaced by a conversation.

  • Create forms by describing them in plain language
  • Every field auto-coded to international standards (CIEL, ICD-10, SNOMED, LOINC)
  • Reviewed by the clinician before going live
  • Adapts to your formulary, your workflow, your language

Document by Voice

Speak the encounter in your language. TenaOS writes the note, codes the diagnoses and medications, and saves the structured record. No typing, no transcription, no lost detail.

  • Voice or text in English and local languages, including Amharic
  • Structured, internationally coded clinical record
  • Every entry reviewed by the clinician before save
  • Works on top of any FHIR-ready EMR

Evidence, From Diagnosis to Discharge

A specialist-grade second opinion at the point of care, and a clear care summary in the patient's own language at the end of the visit. Both grounded in WHO and MSF guidelines. Both reviewable by the clinician before they reach the chart or the patient.

  • Differential diagnoses and treatment guidance grounded in WHO and MSF
  • Every recommendation cites the source guideline
  • Plain-language care summaries generated in the patient's own language
  • What the patient has, what to do, and when to seek help

Report by Conversation

Ask in plain language. TenaOS turns the question into a standards-based query against your records and returns the answer. Outbreak signals, program indicators, referral patterns, monthly returns, all without a data team.

  • Plain-language reporting against structured records
  • WHO-aligned program indicators out of the box
  • Outbreak signals and referral patterns on demand
  • Compatible with national health information infrastructure (DHIS2)
How It Works

How TenaOS
Runs in the Real World

TenaOS is built to be used, not just installed. It fits the clinic where it lives, runs on the hardware the clinic already owns, and connects cleanly to the health system around it.

A one-time setup, then a recurring rhythm of care.

01

Day One: Set Up the Forms

A clinical lead describes, in plain language, the consultations, registers, and reports the clinic needs. TenaOS builds them, codes every field, and publishes them into the EMR. No specialist required.

02

Every Visit: Scribe and Decide

The clinician sees the patient and speaks the encounter. TenaOS writes the structured note, surfaces evidence-grounded guidance from WHO and MSF, and waits for confirmation before anything is saved.

03

Before the Patient Leaves: Educate

TenaOS generates a care summary in the patient's own language: what they have, what to do, what medicines to take, and when to come back. The clinician reviews and prints it.

The Difference

95% Less Cost.
100% More Care.

TenaOS replaces the entire traditional EMR rollout, the implementation team, the cloud dependency, and the months of configuration, with a single conversational system that runs inside your clinic.

Up to 95% lower implementation cost compared to a traditional EMR rollout
Traditional Rollout
With TenaOS
Time to deploy
Weeks to months
Hours to a day
Setup tool
Code and configuration files
Plain-language conversation
Ongoing operation
Dedicated IT team
No technical staff required
Patient data
Often cloud-dependent
100% inside the facility
Who It’s For

Built for Every Layer
of Primary Care

Clinical Officers & Nurses

  • Specialist-grade second opinion at the point of care
  • Evidence-grounded decision support, with citations
  • Drug dosing & safety guidance
  • Voice documentation in your local language

Physicians & Medical Officers

  • Complex case decision support
  • Lab and imaging interpretation in a single AI agent
  • Referral decision support
  • Voice scribe in English and local languages

NGOs & Aid Organizations

  • Deployable in under a day on commodity hardware
  • No internet dependency
  • Consistent, WHO and MSF-grounded protocols across sites
  • Multi-site rollout ready

Ministries of Health

  • Built on standards and ready for national integration
  • Plain-language reporting, FHIR and DHIS2 ready
  • WHO guideline alignment
  • Scalable across facility tiers, with no per-site IT cost

Patient data never leaves the facility.

No cloud. No external API. No privacy exposure. TenaOS operates entirely within the four walls of your facility, clinical intelligence without surveillance.

On-device inference

All AI computation happens locally on facility hardware. No data ever leaves the machine.

EMR-native

Patient data stays inside your own infrastructure, whether OpenMRS, a custom FHIR server, or any configured EMR. No third-party cloud access.

WHO alignment

Structured outputs and audit trails support national digital health governance frameworks.

FAQ

Frequently Asked Questions

No. TenaOS is designed from the ground up to operate fully offline. All AI inference runs on local hardware at the facility. There is no dependency on external servers, cloud APIs, or internet connectivity of any kind.

TenaOS runs on commodity hardware: a standard workstation or rugged laptop with a modern CPU. No GPU is required for CDS and scribe functionality. Imaging analysis benefits from a mid-range discrete GPU but can operate in CPU-only mode.

TenaOS integrates natively with OpenMRS 3.x as a microfrontend ESM module (@tenaos/esm-tenaos-app). It also exposes a FHIR R4 REST API, enabling integration with other EMR platforms or standalone deployment without OpenMRS.

The scribe feature supports Swahili, Amharic, French, Hausa, and English out of the box. CDS outputs are available in English and French, with localization roadmap prioritized by deployment region.

Completely. Patient data never leaves the facility. TenaOS performs all AI computation locally, with no external API calls, no cloud uploads, and no telemetry. Outputs are structured and auditable, meeting WHO and national health data governance standards.

Yes. The CDS knowledge base is curated and aligned to WHO and MSF clinical protocols, including WHO Essential Medicines List, WHO Malaria Guidelines, and IMCI protocols. Every CDS output includes citations so clinicians can verify the evidence basis.

Help us bring specialist-level care to facilities that have never had one.

Pilot TenaOS in your facilities to reduce diagnostic uncertainty, preserve data sovereignty, and return clinician time to patient care.