Nucliadb is an AI search database designed for efficient storage and hybrid searching of unstructured data, targeting developers building RAG applications. It offers a unified API for text, vector, and graph indexing, simplifying data extraction and enrichment for NLP tasks.

How It Works

Nucliadb employs a hybrid search architecture, combining vector, full-text, and graph indexes to provide comprehensive search capabilities. Written in Rust and Python, it's optimized for indexing large datasets and supports multi-tenancy. The system can leverage Nuclia's cloud-based Understanding API for automated data extraction, enrichment, and inference, reducing the complexity for users.

Quick Start & Requirements

• Install: Instructions for installation are available via the Quick start guide.
• Prerequisites: PostgreSQL for storage, S3-compatible API, GCS, or Azure Blob Storage for blobs.
• Resources: Details on resource requirements are available in the Nuclia Docs.

Highlighted Details

• Hybrid search: Supports vector, full-text, and graph indexes.
• Data types: Stores text, files, vectors, labels, and annotations.
• NLP integration: Leverages Nuclia's Understanding API for data extraction and enrichment.
• Cloud-native: Designed for distributed search and replication.

Maintenance & Community

• Community: Active Slack channel for discussion and contributions.
• Development: Project appears to be actively maintained with contributions welcomed.
• Resources: Links to Nuclia Docs, API Reference, and Community Chat are provided.

Licensing & Compatibility

• License: GNU Affero General Public License v3.0 (AGPL-3.0).
• Restrictions: AGPL-3.0 is a strong copyleft license. Modifications to the source code must be made publicly available under the same license. Commercial use or linking with closed-source applications may require careful consideration due to the copyleft provisions.

Limitations & Caveats

The AGPL-3.0 license imposes significant obligations on users who modify the software or use it in a service, requiring them to make their own source code available. The reliance on Nuclia's cloud APIs for advanced features may introduce vendor lock-in or additional costs.