Apache Ossie

Apache Ossie

Apache Software Foundation
Datus

Datus

DatusAI
+
+

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About

Apache Ossie is an open specification and converter toolkit for exchanging semantic metadata across analytics, business intelligence, and AI systems. Its YAML-based format describes semantic models, datasets, fields, metrics, dimensions, relationships, and SQL expressions in a portable structure. Data and analytics engineers can use compatible implementations to author, translate, and reuse these definitions across connected platforms, supporting consistent business context for reporting and AI-assisted analysis. The project is an open-source community effort under the Apache License 2.0, with available conversions depending on each platform’s implementation.

About

Datus is an AI-assisted data engineering and analytics platform that builds a shared business context layer over an organization’s existing data stack. Its Datus Agent can inspect warehouse schemas, SQL, ETL code, and business documents to draft semantic models and connect business concepts, metrics, and source data. Teams review definitions and generated SQL, then use DOSI to validate compatible models and compile queries into native SQL for supported data sources. Datus provides a browser-based Studio, a local command-line agent, and REST, Python SDK, and MCP interfaces for analytics teams, data engineers, and AI agents. Common workflows include data discovery, semantic modeling, governed text-to-SQL, metric queries, SQL development, and production data engineering. It is designed to work with existing warehouses and model providers rather than require a data migration.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Data and analytics engineers, semantic-model authors, data-platform teams, and developers building or connecting analytics, BI, and AI systems that need to exchange reusable semantic definitions across compatible tools.

Audience

Enterprise data engineering, analytics, and AI teams that need governed access to warehouse data, semantic models, metrics, and business context.

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Supported

Screenshots and Videos

No images available

Screenshots and Videos

Pricing

No information available.
Free Version Supported
Free Trial Not Supported

Pricing

$0
The open-source Datus Agent and Dosi core are free to use and self-host. Datus Studio is free during early access. Datus Enterprise is provided under a separate commercial agreement.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

Apache Software Foundation
Founded: 1999
United States
ossie.apache.org

Company Information

DatusAI
Founded: 2025
United States
datus.ai/

Categories

Semantic Layer Supported

Categories

AI Data Analytics Supported
Data Engineering Supported

Integrations

Cube Supported
Snowflake Supported
Tableau Supported
dbt Supported
Amazon Bedrock Not Supported
Anthropic Not Supported
Claude Not Supported
Gemini Not Supported
Google Cloud BigQuery Not Supported
Hex Supported
Holistics Supported
Metabase Not Supported
Microsoft Teams Not Supported
Ollama Not Supported
OpenAI Not Supported
OpenMetadata Not Supported
Qwen Not Supported
Salesforce Supported
Unity Catalog Not Supported
WisdomAI Supported

Integrations

Cube Supported
Snowflake Supported
Tableau Supported
dbt Supported
Amazon Bedrock Supported
Anthropic Supported
Claude Supported
Gemini Supported
Google Cloud BigQuery Supported
Hex Not Supported
Holistics Not Supported
Metabase Supported
Microsoft Teams Supported
Ollama Supported
OpenAI Supported
OpenMetadata Supported
Qwen Supported
Salesforce Not Supported
Unity Catalog Supported
WisdomAI Not Supported
Claim Apache Ossie and update features and information
Claim Apache Ossie and update features and information
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