OVITO Pro v3.15.5: Scientific Data Visualization & Analysis Software

OVITO Pro 3.15.5 is the latest release of the professional visualization and analysis software for atomistic and particle-based simulation data, developed by OVITO GmbH in Germany since 2009 . The desktop application features a GPU-accelerated 3D viewer and a modular data processing pipeline, while the ovito Python package (available via conda and pip) enables scripted, automated workflows .

Key New Features in v3.15.5

The 3.15.x series introduced powerful new modifiers for molecular modeling, a streamlined workflow for organizing modifiers, and improvements to file I/O and video rendering . Version 3.15.5 was released on June 20, 2026 , representing the latest stable build.

Enhanced Molecular Modeling Modifiers

  • Bond Order Modifier: Automatically assigns single, double, triple, and aromatic bonds to molecular structures .

  • Structure Identification Enhancements: Common Neighbor Analysis (CNA), Polyhedral Template Matching (PTM), Ackland-Jones, and identify-diamond classifiers for crystal structure detection (FCC/BCC/HCP/other) .

Modifier Templates & Sharing

  • Modifier Templates: Save pre-configured modifiers or sequences of modifiers for quick reuse across sessions; export to *.ovmod files for sharing .

  • Modifier Snippets: Portable text strings that can be shared in online forums or via email .

  • Viewport Layer Templates: Similarly, save and reuse pre-configured viewport layers .

Extended LAMMPS Integration

  • Run LAMMPS scripts from within OVITO for rapid simulation prototyping .

  • Visualize LAMMPS regions .