Alternatives to Knowhere

Datalab's lift API turns PDFs, scans, and slides into structured markdown, JSON, and HTML with word-level bounding boxes.

Airparser parses emails, PDFs and scans into structured JSON using AI instead of templates

Unstructured turns messy PDFs, scans, and forms into structured, AI-ready data for RAG and agents.

Mistral OCR 3 turns PDFs, scans, forms, and handwriting into structured markdown or JSON via API at $2 per 1,000 pages.

Chat with any PDF, or turn PDFs into structured JSON through a REST API

Reducto's agentic document platform parses dense tables, scanned forms, and messy PDFs into structured data for AI teams.

PDF Dino extracts structured data from PDFs — invoices, statements, contracts — into JSON, Excel, or CSV using plain-language instructions.

DocsLoop converts invoice, bank statement, and receipt PDFs into structured Excel spreadsheets — upload, extract, download.

Open-source RAG engine with built-in ETL, hybrid vector/BM25 search and visual agent orchestration for enterprise AI agents.

LlamaParse turns messy PDFs, tables, charts and handwriting into LLM-ready structured data

Lido extracts data from PDFs, invoices, and scans into Excel or CSV with zero templates and no training.

LlamaParse is a document parsing API that turns scanned PDFs, dense tables, and handwriting into AI-ready markdown or schema-bound JSON.

Vespa AI is an open-source AI search platform for hybrid vector, text and structured retrieval with ML ranking in one query pass.

Sparrow turns PDFs and images into schema-defined JSON with Vision LLM document extraction.

Free, open-source Python framework for extracting structured data from documents using LLMs and decision models with minimal code

No-code AI extraction that turns invoices, resumes, contracts, receipts and custom documents into structured JSON.

openProd.io turns supplier PDFs and spreadsheets into checked, PIM-ready product data for Pimcore, Akeneo and Ergonode.

Open-source context retrieval layer that syncs your apps and databases so AI agents query live business data in natural language.

Open-source command-line pipeline that extracts, chunks, and embeds PDFs for RAG, with switchable libraries via one parameter.

RushDB: graph and vector persistent memory for AI agents, where you push JSON and query one connected graph.

Instabase (now SuperApp) turns multi-document packets into auditable, verifiable intelligence with packet-aware AI agents.

Mindee is an OCR and document processing API that turns invoices, receipts, passports and bank statements into deterministic structured

Milvus is an open-source vector database for billion-scale similarity search, hybrid retrieval, and lake-native RAG workloads

Enterprise intelligent document processing that reads handwriting, unstructured files, and FedRAMP High workloads at 99.5% claimed accuracy.

Open-source Microsoft Research RAG that builds a knowledge graph and community summaries from your documents, then queries them in four modes.

Vespa is an open-source AI search platform for hybrid vector, text, and tensor retrieval with machine-learned ranking.

LanceDB is an open-source multimodal lakehouse that keeps curation, feature engineering, hybrid search, and training on one Lance table.

pgvector brings open-source vector similarity search to Postgres so embeddings live next to your relational data.

Free browser-based data file conversion and viewing tools — convert CSV to Parquet, read Parquet schemas, and inspect GeoJSON and

TiDB is a distributed SQL database for AI agents that unifies ACID transactions, HTAP analytics, and native vector search in one engine.