Visallo
Crime analytics software
Public safety software
Law enforcement software
- Features
- Ease of use
- Ease of management
- Quality of support
- Affordability
- Market presence
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What is Visallo
Visallo is an open-source investigative analytics and link analysis platform used to connect, explore, and analyze entities, relationships, and events across disparate data sources. It supports law enforcement and public safety workflows such as case support, intelligence analysis, and investigative collaboration. The product emphasizes graph-based analysis, provenance/auditability of data changes, and extensibility through connectors and plugins rather than being a turnkey records-management system.
Graph-centric investigative analysis
Visallo centers on entities and relationships, enabling analysts to build and explore networks (people, places, devices, events) and their connections. This supports common investigative tasks such as link analysis, pattern discovery, and hypothesis testing. The approach aligns with crime analysis needs where relationship context is as important as individual records.
Open-source and extensible
As an open-source platform, Visallo can be adapted for specialized investigative data models and agency-specific workflows. It supports integration through connectors and custom development, which can be important when data resides across multiple systems. This can reduce dependency on a single vendor’s closed ecosystem, but typically requires engineering capacity.
Provenance and audit support
Visallo is designed to track how data is added, modified, and interpreted, supporting provenance and auditability. This is useful for investigative environments where analysts need to explain sources and reasoning. It can also help with internal governance and review processes when multiple users collaborate on the same case context.
Implementation and operations overhead
Visallo generally requires self-hosting, configuration, and ongoing maintenance, which can be significant for smaller agencies. Deployments often involve integrating multiple back-end components and setting up data ingestion pipelines. Compared with more packaged public-safety analytics offerings, time-to-value can be longer without dedicated technical resources.
Not a full public-safety suite
Visallo focuses on investigative analytics rather than end-to-end public safety operations. It does not replace core systems such as CAD/RMS, evidence management, or dispatch workflows. Agencies typically use it as an analytics layer alongside existing operational platforms.
Limited vendor-backed support clarity
Because Visallo is open source, support and roadmap depend on the maintaining organization and community activity rather than a single commercial vendor contract by default. Some organizations may require guaranteed SLAs, certified integrations, or formal compliance attestations that are more common with commercial products. Buyers may need to arrange third-party support or internal ownership to meet procurement requirements.
Seller details
Visallo (Open Source project; originally developed by Ontology Works, Inc.)
Open Source
https://visallo.org/
