nymea.io
nymea.io is a Vienna-based open-source smart-home and IoT middleware vendor (now chargebyte austria GmbH) that exposes a unified JSON-RPC API across 100+ device integrations — ZigBee, Z-Wave, KNX, Modbus, MQTT — and serves IoT OEMs, energy-management integrators, and DIY smart-home users, with a commercial licensing and support revenue model.
- Company typePrivate
- Founded2013
- HeadquartersVienna, Austria
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What nymea.io does
nymea.io (legally chargebyte austria GmbH since January 2024; originally founded as guh GmbH in 2016, renamed nymea GmbH in 2019) is an open-source smart-home and IoT middleware vendor headquartered in Vienna, Austria. The company builds nymea:core, a Qt/C++ daemon that abstracts diverse device protocols — ZigBee, Z-Wave, KNX, Modbus, MQTT, WiFi, Bluetooth, GPIO, One-Wire, serial, and I²C — behind a single JSON-RPC API, accompanied by a mobile client (nymea:app), a CLI (nymea:cli), a rule engine, and a JavaScript scripting layer. The platform's defining architectural choice is local-first operation with no required cloud dependency, supported by a plugin library of 100+ integrations spanning residential energy (PV inverters, battery storage, heat pumps), EV charging (Webasto, Keba, MENNEKES, go-eCharger, EVerest, Easee, EVBox), lighting, multimedia, sensors, doors, and appliances.
The commercial model pairs an open-source community distribution (free download via apt) with quote-based commercial licensing and support services targeted at IoT product manufacturers seeking a cross-platform integration middleware for their hardware. Customer evidence is sparse: StreamUnlimited integrated nymea into its StreamSDK in September 2019, validating OEM-grade middleware usability; no other named enterprise customers are disclosed, and the broader user base consists of DIY smart-home enthusiasts and energy-management integrators. On 15 January 2024 the company was acquired by chargebyte GmbH, a German specialist in charging-station communication technology, repositioning nymea around EV charging and home energy management while the open-source platform remains actively maintained under the chargebyte austria GmbH entity.
nymea.io firmographics
Firmographics- Name
- nymea.io
- Legal name
- chargebyte austria GmbH
- Website
- https://nymea.io
- Company type
- Private
- Founded year
- 2013
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- nymea.io is a Vienna-based open-source smart-home and IoT middleware vendor (now chargebyte austria GmbH) that exposes a unified JSON-RPC API across 100+ device integrations — ZigBee, Z-Wave, KNX, Modbus, MQTT — and serves IoT OEMs, energy-management integrators, and DIY smart-home users, with a commercial licensing and support revenue model.
- Ownership category
- akta.pro rank
nymea.io industry classification
Industry- Product category
- IoT Middleware / Smart Home Platform
- NAICS
- Computer Systems Design and Related Services (54151), Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services (518210)
- SIC
- Services-Computer Programming, Data Processing, Etc. (7370), Communications Services, Nec (4899)
- akta.pro primary industry
- Home Networking & Connected Home Infrastructure (Wi‑Fi Mesh, Routers, Matter/Thread/Zigbee Bridges) (HSAPAQAG)
- akta.pro secondary industries
- IoT Connectivity Management (Private APN, SIM/eSIM, Device Connectivity) (HDAIAGAG), Cybersecurity, Identity & OTA Update Management for Connected Vehicles (TLAEAFAO)
Keywords
Where nymea.io is headquartered
LocationHeadquarters
- HQ city
- Vienna
- HQ country
- Austria
- HQ region
- Europe
Offices1 record
Markets served
nymea.io business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Personnel, Technology or R&D, Operations, Marketing or Sales
Revenue model
- Commercial Support and Services: nymea GmbH (now chargebyte austria GmbH) provides commercial support, integration middleware tooling, and services for IoT product manufacturers using the nymea platform commercially
- Open-source Distribution: Open-source platform freely available for download with community support, commercial licensing available for manufacturers
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Freemium | Monthly | Open-source community version |
| Subscription | Annual | Commercial licensing for manufacturers |
Go-to-market motion1 record
Distribution channels2 records
Marketing channels2 records
nymea.io product offering
Product offeringCore offering
nymea.io provides an open-source smart home and IoT middleware platform built around a central daemon (nymea:core) that communicates with devices across multiple protocols including Z-Wave, ZigBee, KNX, Modbus, MQTT, Bluetooth, and GPIO, exposing a unified JSON-RPC API. The platform is complemented by a mobile app (nymea:app) and a command-line client (nymea:cli), and is offered both as a free open-source download for individual users and through commercial licensing and support for IoT product manufacturers. Following the 2024 acquisition by chargebyte, the platform is positioned for energy management use cases including PV inverters, battery storage, heat pumps, and EV chargers.
Product overview
nymea.io is an open-source smart home and IoT middleware platform. The platform consists of nymea:core (the central daemon), nymea:app (mobile application), and nymea:cli (command-line client), with support for JavaScript scripting and an extensive plugin ecosystem. The platform provides native connectivity for ZigBee, Z-Wave, KNX, WiFi, Bluetooth, Modbus, MQTT, GPIO, One-Wire, serial, and other protocols. The company (now chargebyte austria GmbH) has positioned nymea primarily for energy management applications including solar inverter integration, EV charger management, and heat pump control, while maintaining broad smart home device compatibility.
Differentiator
Problem solved
Functional benefit
Products and services
- nymea:core The central open-source daemon serving as the middleware layer for smart home and IoT integration. nymea:core communicates with devices using multiple protocols (ZigBee, Z-Wave, KNX, WiFi, Bluetooth, Modbus, MQTT, GPIO, One-Wire, serial) and exposes a clean JSON-RPC API for client applications. It is available as a free open-source download for individual users and under commercial licensing for manufacturers.
- nymea:app The primary mobile application for iOS and Android that provides the user interface for controlling and configuring the nymea system, including thing setup, rule creation, scripting, and system monitoring.
- nymea:cli The command-line client for interacting with nymea:core, useful for headless deployments, scripting, and advanced users who prefer terminal-based control.
- Integration Plugins (nymea-plugins) An extensive library of integration plugins providing native support for hundreds of third-party devices and services across categories including smart home, energy management, EV charging, multimedia, sensors, and industrial protocols (e.g., Z-Wave, ZigBee, KNX, Modbus, MQTT, Tuya, Home Connect, Sonos, Netatmo).
Companies that use nymea.io
Customer profileSegments3 records
Ideal customer profiles3 records
nymea.io technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration121 records
Feature4 records
nymea.io partnerships and signals
Strategic signalPartnerships
Two partnerships are on record, tiered core and minor.
- chargebyte GmbHcoreOn 15 January 2024, chargebyte GmbH (German specialist in charging station communication technology) acquired nymea GmbH. The acquisition brought nymea's integration platform into the energy sector, combining EV charging expertise with nymea's energy management integrations for PV, battery storage, and heat pumps. nymea GmbH was renamed to chargebyte austria GmbH.
- StreamUnlimitedminorIn September 2019, StreamUnlimited, an Austrian audio and streaming technology company, integrated nymea into its StreamSDK. This gave nymea presence in connected audio and consumer electronics products and validated the platform as production-ready middleware for hardware manufacturers.
Scale indicators2 records
Recent moves6 records
Expansion highlights5 records
nymea.io competitors and assessment
Company assessmentDirect peers
- Domoticz: Open-source home automation system with native support for many devices and protocols. Closely competes with nymea in the DIY/smart-home enthusiast segment, offering a similar local-first, broad-integration value proposition.
- ioBroker: Open-source IoT platform built on Node.js with extensive driver/adapter ecosystem for smart home and energy use cases. Direct overlap in protocol coverage (ZigBee, Z-Wave, Modbus, MQTT) and the visual-rule/automation paradigm.
- Hubitat Elevation: Local-first smart home hub with rule-based automation and broad device support. Competes with nymea's local-first positioning while offering a more consumer-packaged product experience.
- HomeSeer: Long-running home automation platform with broad protocol/driver support and local control emphasis. Targets similar advanced enthusiast/prosumer segment as nymea's OEM and integrator customers.
- Home Assistant: Open-source smart home automation platform (Home Assistant OS/Container) with broad device integration and a large community. Most direct open-source competitor to nymea's local-first middleware approach, with overlapping protocol coverage (ZigBee, Z-Wave, MQTT) and similar DIY/enthusiast target audience.
- openHAB: Open-source home automation bus with vendor-neutral integrations, Eclipse Foundation project. Comparable to nymea as an open-source middleware abstraction over many smart home protocols, targeting similar enthusiast and integrator audiences.
Emerging players
- EEBus: Cross-vendor connectivity initiative and middleware for residential energy management, linking heat pumps, PV inverters, EV chargers, and home energy management systems. Closely aligned with nymea's energy-management integrations and the post-chargebyte strategic pivot.
Broad incumbents
- Apple HomeKit: Apple's smart home framework with iOS/macOS app and Home Hub devices. Competes indirectly with nymea in the smart home automation layer, benefiting from the Apple ecosystem's installed base.
- Samsung SmartThings: Major smart home platform owned by Samsung with hub and cloud components. Overlaps with nymea in protocol/device integration but operates at vastly greater scale with cloud-centric architecture.
- Google Home: Google's consumer smart home ecosystem including Nest devices and Assistant integrations. A broader incumbent serving similar end-user smart home control needs with a primarily cloud-mediated architecture.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat4 records
Key risks5 records
Key highlights6 records
Customer concentration
nymea.io social profiles
Digital presencenymea.io financial estimates
Financial estimateRevenue estimate
Valuation estimate
nymea.io leadership team
Management profileNumber of profiles
Profiles1 record
nymea.io funding detail
Funding detailFunding overview
Funding rounds1 record
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
nymea.io M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about nymea.io
What does nymea.io do?
nymea.io provides an open-source smart home and IoT middleware platform built around a central daemon (nymea:core) that communicates with devices across multiple protocols including Z-Wave, ZigBee, KNX, Modbus, MQTT, Bluetooth, and GPIO, exposing a unified JSON-RPC API. The platform is complemented by a mobile app (nymea:app) and a command-line client (nymea:cli), and is offered both as a free open-source download for individual users and through commercial licensing and support for IoT product manufacturers. Following the 2024 acquisition by chargebyte, the platform is positioned for energy management use cases including PV inverters, battery storage, heat pumps, and EV chargers.
Is nymea.io a public or private company?
nymea.io is a private company. It is classified as corporate owned and is currently operating.
When was nymea.io founded?
nymea.io was founded in 2013. It employs 11 to 50 people.
Where is nymea.io based?
nymea.io is headquartered in Vienna, Austria, in the Europe region.
How does nymea.io make money?
Two revenue lines are on record. Commercial Support and Services are the primary driver. The others are open-source Distribution.
Who are nymea.io's main competitors?
Direct peers on record are Domoticz, ioBroker, Hubitat Elevation, HomeSeer, Home Assistant and openHAB. EEBus is listed as an emerging player. Broad incumbents are Apple HomeKit, Samsung SmartThings and Google Home.
Does nymea.io have an API?
Yes. The nymea JSON-RPC API is a public API that allows developers to build clients to interact with nymea. nymea also offers a C++/Qt/QML client library for integration. Client development is documented with guides for JSON-RPC API, C++/Qt/QML library, and nymea-cli command-line client. Developer documentation is at nymea.io/documentation/developers/clients/json-rpc.html.
What industry is nymea.io in?
nymea.io's product category is IoT Middleware / Smart Home Platform. Its primary akta.pro industry code is HSAPAQAG, Home Networking & Connected Home Infrastructure (Wi‑Fi Mesh, Routers, Matter/Thread/Zigbee Bridges), with a secondary code of HDAIAGAG, IoT Connectivity Management (Private APN, SIM/eSIM, Device Connectivity). Its NAICS code is 54151 and its SIC code is 7370.