O
research

OpenSemanticSearch

OpenSemanticSearch is a free, open-source research/search platform (Solr/Elasticsearch-based) with ETL, OCR, NER, and faceted exploration for large document sets.
oss search solr
Intermediate Level
Free (open-source)
Starting Price
Try OpenSemanticSearch
Category
research
Setup Time
< 2 minutes
research
Category
Intermediate
Difficulty
Active
Status
Web App
Type

What is OpenSemanticSearch?

Build a Private Research Search Engine — OpenSemanticSearch

Deploy a self-hosted search stack with OCR, NER, thesaurus support, and faceted exploration across millions of documents. Import PDFs, office files, and emails; analyze entities and topics; and keep everything on your own servers. With Docker recipes and open standards, you can customize pipelines freely and avoid vendor lock-in.

Key Capabilities

What makes OpenSemanticSearch powerful

Pipelines & OCR

Process diverse file types, extract text, and normalize metadata for indexing.

Implementation Level Intermediate

NER & Thesaurus

Identify people, orgs, and places; enrich with controlled vocabularies.

Implementation Level Intermediate

Faceted UI

Search and filter large corpora by entities, topics, and metadata.

Implementation Level Basic

Open Standards

Customize with Solr/Elasticsearch and open ontologies for long-term durability.

Implementation Level Intermediate

Professional Integration

These capabilities work together to provide a comprehensive AI solution that integrates seamlessly into professional workflows. Each feature is designed with enterprise-grade reliability and performance.

Pricing

Start using OpenSemanticSearch today

Free (open-source)

Starting price

Get Started

Quick Information

Category research
Pricing Model Freemium
Last Updated 12/7/2025

Tags

oss search solr elasticsearch ocr ner text-mining

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