The CLI-first approach to

Delta Lake Data Quality

& Observability Platform

Schema Management
Data Profiling
Anomaly Detection
Version Control

Solve Your Delta Lake Challenges

Powerful tools to address your most pressing data quality needs

Never Lose Data Again

Time travel capabilities let you roll back to any point in time, recover from errors, and audit all changes with detailed commit logs

Catch Issues Before They Impact

Automated anomaly detection identifies data quality problems before they reach downstream systems and affect business decisions

End Schema Drift Headaches

Track schema evolution automatically, validate changes on write, and prevent breaking changes from disrupting your pipelines

Optimize Performance

Identify bottlenecks with partition intelligence, get optimization hints, and improve query performance with data-driven recommendations

Understand Data Lineage

Visualize data dependencies, assess impact before making changes, and trace data through your entire ecosystem

Share Insights Effortlessly

Generate professional HTML/PDF quality reports with just one command, perfect for sharing with stakeholders and team members

Choose Your Edition

Feature tiers designed for different team needs

Community

Pro

Enterprise

Go-First Architecture

Built for performance, reliability, and efficiency

Nessi.dev Architecture

Primary Go Components

  • Data Quality Engine
  • Monitoring Service
  • Report Generator
  • Delta Lake Connector
  • Security Manager
  • CLI Interface
  • Email Alerting System

Extension System

  • Plugin architecture for enabling/disabling features
  • Feature flags for toggling functionality
  • Dynamic configuration loading
  • Custom rule extensions
  • Integration points for external systems

Seamless Integrations

Harmoniously connect with your existing data ecosystem

PRO

Databricks Integration

Seamlessly work with Databricks Unity Catalog and Delta Lake tables for comprehensive data quality management.

PRO

dbt Integration

Opt-in dbt plugin for data quality and profiling, execute Nessi.dev data quality rules against dbt models, enhanced model selection with dbt syntax, generate data profiles for Delta tables associated with dbt models, and automatic mapping between dbt models and Delta tables.

PRO

Cloud Storage Compatibility

Seamless integration with Delta Lake on AWS S3, Azure Blob Storage, and GCP Cloud Storage for multi-cloud management.

PRO

Workflow Orchestration Integration

Apache Airflow operators and sensors for Nessi.dev tasks, Prefect tasks and flows integration, Dagster ops and resources integration, Kubernetes operators for Nessi.dev jobs, workflow status monitoring and callbacks, and pipeline-aware data quality checks.

Community & Resources

Join our growing community and access comprehensive resources

Documentation

Full CLI reference, configuration guides, schema documentation, and best practices.

Browse Docs

Blog

Real tutorials, use cases, best practices, and the latest updates from our team.

Read Articles

GitHub

Source code, issue tracking, pull requests, and community discussions.

Visit Repository

Community

Join our Slack/Discord community to connect with other users and the Nessi team.

Join Community

Ready for better data quality?

Experience Nessi.dev today and transform your Delta Lake management.