Cost / License
- Freemium
- Open Source (Apache-2.0)
Platforms
- Online
- Software as a Service (SaaS)
- Python


Haystack is an open source NLP framework to interact with your data using Transformer models and LLMs (GPT-4, ChatGPT and alike). Haystack offers production-ready tools to quickly build complex decision making, question answering, semantic search, text generation applications...

High-performance, full-featured text search engine library written entirely in Java. It is a technology suitable for nearly any application that requires full-text search, especially cross-platform. Apache Lucene is a open source.
“Math-aware” means you can add math expression(s) as some of your keywords to have search engine help you find similar expressions and return those documents/topics that you may find relevant to your query. In short, a typical search engine plus math search.



The Lemur Project develops search engines, browser toolbars, text analysis tools, and data resources that support research and development of information retrieval and text mining software. The project is best known for its Indri search engine.



Ready-to-use OCR with 80+ supported languages and all popular writing scripts including Latin, Chinese, Arabic, Devanagari, Cyrillic and etc.

AI-driven document pipelines on your private cloud. Integrates with SharePoint & Google Drive for easy semantic information extraction to Sheets/Excel without coding. Features real-time indexing, similarity search, and REST endpoint-equipped pipelines. Boosts efficiency & accuracy.



