OpenBMS

5.4easy start · #23 of 23
in Building Management Software

Free to practise onnot on record
Free trialnot on record
Well documentednot on record
Runs where you worknot on record

Runs on Web.

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OpenBMS is ranked #23 of 23 in building management software on The Geeks Club. It runs on Web.

Compared on building management software

HVAC control: Yes
Deployment: on-premise

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The record

Product: OpenBMS describes itself as a community-driven, vendor-neutral Building Management System connecting BACnet, MQTT and modern IoT protocols.
Standards: The site says OpenBMS aligns with ASHRAE 223P, BACnet/IP and 231P.
Hardware compatibility: OpenBMS says it is hardware-agnostic and can integrate devices that speak BACnet or MQTT, including equipment from Honeywell, Johnson Controls and Siemens.
Programming: The site describes a no-code/low-code visual programming interface for configuring control logic.
Simulation: The site says FMU export with the LBNL Modelica Buildings Library can be used to test control sequences virtually before deployment.
Semantic modeling: The site describes native ASHRAE 223P semantic modeling and BuildingMOTIF integration for validating building models, with both marked “Coming Soon.”
AI feature: The site describes an AI copilot for mapping BACnet points to ASHRAE 223P and suggesting configurations, marked “Coming Soon.”
Demand response: The site describes G36 Demand Limiting sequences that respond to grid signals and price spikes while maintaining comfort, marked “Coming Soon.”
Licensing: The site says OpenBMS has zero licensing fees, with no per-point charges or annual contracts.
Data ownership: The site says users own their infrastructure and data and can move their semantic model between contractors, vendors or platforms.
Support: The site directs users to Discord for real-time discussion and support, GitHub for code contributions, and documentation for participation.
Release status: The site labels OpenBMS “Pre-Release” and invites users to get early access and help shape the product.
Intended users: The site describes the community as including building automation experts, developers and facility managers, and highlights independent integrators.
Development status: The project’s GitHub README says it is in Phase 6 of 8, with real BACnet device discovery and integration planned for Phase 7.

Where it ranks on The Geeks Club

Best Building Management Software in 2026#23 of 23

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Sources

openbms.io· checked 4 Oct 2026
github.com/openbms-io/bms-apps· checked 4 Oct 2026