Eclipse BaSyx
Eclipse BaSyx: A free, open-source platform for industrial digital twins and AAS-based integration. Ranked #13 of 16 in IoT Development Tools by our editors (7.8/10); pricing: Free plan; best for digital twins and industrial asset integration.
At a glance
- Editor score7.8 / 10
- PricingFree plan
- Best forDigital twins and industrial asset integration
- Free planYes
- Paid fromFree
- Facts checked25 Sep 2026
Where it wins
- Supports AAS types 1, 2, and 3, with registries, servers, and submodel servers
- Connects assets through OPC UA, MQTT, HTTP/REST, ActiveMQ, and Kafka
- Provides SDKs for Java, Python, TypeScript, Go, .NET, and Rust
Where it doesn't
- Focuses on digital twins and asset integration, not device firmware development
- Deployment uses components for Docker or Helm rather than a single hosted service
- Support channels are community and documentation
Our verdict on Eclipse BaSyx
Eclipse BaSyx is open-source Industry 4.0 middleware for representing physical assets as digital twins through the Asset Administration Shell (AAS). It is aimed at manufacturing and industrial software teams that need to connect equipment and systems for live monitoring, data exchange, and control. Its scope centers on asset representation and integration, making it relevant to digital-twin projects rather than the core work of developing and debugging device firmware.
The platform combines AAS registries, servers, submodel servers, data-provider components, and a web UI for managing and interacting with shells and submodels. Data integration patterns support cyclic and on-demand exchange, while property and operation delegation can connect digital representations to asset endpoints. Protocol options include OPC UA, MQTT, HTTP/REST, ActiveMQ, and Kafka. SDKs cover Java, Python, TypeScript, Go, .NET, and Rust, giving teams several language options for working with AAS and connected systems. This breadth suits integration work across industrial systems, but teams seeking a focused firmware development tool should look elsewhere.
Eclipse BaSyx is free and open source. Its components are packaged for deployment in users’ IT environments, with Docker-based components and Helm charts; the published deployment options also include cloud and self-hosted use. That model gives teams room to place the software in their infrastructure, but means deployment involves working with platform components rather than simply adopting a firmware-focused tool. Support is through community and documentation. Choose BaSyx when AAS-based digital twins, asset connectivity, and industrial data exchange are central requirements; it is a less direct fit when the main need is device firmware development and debugging.
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Eclipse BaSyx pricing
Eclipse BaSyx fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Supported languages | Java, Python, TypeScript, Go, C#, Rust |
| Device simulator | Not verified |
| Firmware debugging | Not verified |
| Supported protocols | OPC UA, MQTT, HTTP/REST, ActiveMQ, Kafka |
| Supported boards | Not verified |
| Deployment targets | Docker; PC servers and data-center infrastructure |
| Deployment | Cloud, Self-hosted, Browser extension |
| Platforms | Web |
| Support | Community, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 5 integrations: OPC UA, MQTT, HTTP/REST, ActiveMQ, Kafka |
| Pricing | Free plan |
| Website | eclipse.dev |
| Facts checked | 25 Sep 2026 |
Eclipse BaSyx integrations
Eclipse BaSyx lists 5 integrations on its own site.
- OPC UA
- MQTT
- HTTP/REST
- ActiveMQ
- Kafka
Alternatives to Eclipse BaSyx
- PlatformIO IDEA broad, free build and debugging environment for embedded projects across many architectures.9.4
- Arm Keil MDKA broad Arm MCU toolchain combining IDEs, compilers, debugging, simulation, and middleware.9.2
- Code Composer StudioA capable free IDE for TI development, with target support focused on TI hardware.9.1
See all Eclipse BaSyx alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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