BIM Articles

In-depth analysis tagged BIM — covering PLM history, vendor strategy, and the technical decisions reshaping engineering software.

1 article

Best BIM Software 2026 — BUILD framework across authoring, coordination, and digital twin

Best BIM Software 2026: The Independent Buyer's Guide for AEC and Owner Organizations

The best BIM software in 2026 depends on which stakeholder you are — design team, general contractor, trade contractor, or owner/operator — and which of the five BUILD layers your organization needs to own. This is the independent guide to fifteen platforms across BIM authoring, construction coordination, and digital twin continuity, organized through the BUILD framework: Building model ownership, Upstream authoring, Interoperability standards, Lifecycle handoff, and Digital twin continuity.

Jun 21, 2026· 25 min read

Key Concepts

BIM (Building Information Modeling)

Building Information Modeling (BIM) is a process and set of technologies for creating and managing digital representations of physical and functional characteristics of built assets. BIM models are intelligent 3D databases — each element carries structured data (dimensions, materials, costs, specifications, maintenance requirements) in addition to geometry. BIM is distinct from CAD: a CAD drawing describes geometry; a BIM model describes a building's elements and their relationships, enabling clash detection, quantity takeoff, lifecycle cost analysis, and operational data handover.

COBie (Construction Operations Building Information Exchange)

COBie (Construction Operations Building Information Exchange) is a data format and delivery standard for the structured handover of asset and maintenance information from construction teams to facility operators at building completion. COBie captures the data needed to operate and maintain a building: equipment lists, maintenance schedules, spare part specifications, warranty information, and manufacturer documentation — delivered in a structured spreadsheet or IFC format that facility management systems can import. COBie is the L-layer deliverable of the BUILD framework.

IFC (Industry Foundation Classes)

IFC (Industry Foundation Classes) is the open, vendor-neutral data schema for exchanging Building Information Modeling data between different software platforms. Maintained by buildingSMART International and standardized as ISO 16739, IFC allows architects, structural engineers, MEP engineers, and contractors to exchange BIM models regardless of which authoring software each uses. IFC files (typically .ifc or .ifczip) carry geometry, spatial relationships, and structured property data for building elements. IFC 4.x (current generation) and IFC 2x3 (most widely deployed) are the two versions in active use.