Alternatives to Litepali

Open-source Python PDF parsing library that routes each page to 10+ AI or rule-based extraction backends via one normalized call.

Xberg is an open-source content intelligence engine that extracts 107 document, web, code, image and audio formats into clean Markdown,

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

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

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

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.

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

Open-source Python framework that incrementally keeps AI agent context fresh by reprocessing only changed data.

Open-source in-process vector database from Alibaba — install one Python package, query millions of vectors in seconds.

Free, open-source document AI, team management, and growth tools that you self-host with your own API keys.

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

Multimodal retrieval that indexes video, image, audio and PDF files straight from your S3, GCS or R2 bucket.

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.

Apache Doris unifies OLAP analytics, full-text search, and vector search in one open-source SQL engine.

Open-source Python framework that adds retrieval-augmented document Q&A to your app in five lines of code

Open-source CLI that turns 18 source types into AI skills and RAG knowledge for 22 AI platforms.

Browser-based converter that turns PDFs, Office files, and images into Markdown locally — files are not uploaded.

Molku extracts data from PDFs, images, and handwritten documents, then auto-fills your PDF or Google Sheets templates.

Databend is an open-source, cloud-native data warehouse in Rust that runs BI analytics, vector search, full-text search and geospatial on

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

REST API for pixel-level image forgery detection plus specialized OCR for Southeast Asian documents.

Browser-based OCR that turns images and PDFs into editable text in 20+ languages, with batch jobs up to 1000 images.

Self-hosted RAG search engine for private document search — BM25 plus hybrid retrieval across 34 file formats.

OpenCrab turns your documents into versioned ontology knowledge packs that Claude, ChatGPT, Cursor and Codex query through one MCP URL.

Open-source wire protocol suite that standardizes LLM, vector, graph, and embedding calls so you swap providers in config, not code

Kronotop is a distributed transactional document database that gives every AI agent or tenant its own namespace with built-in vector search.

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

Resistant AI detects forged, tampered, and AI-generated document fraud and upgrades your transaction monitoring.