Alternatives to Lance

Open-source knowledge-graph RAG that maps entities and communities to answer complex, cross-document questions.

Open-source multimodal lakehouse for AI data curation, feature engineering, search, and training.

Free and open-source visualizer for neural network and machine learning models.

RAG API platform with hybrid search & pre-built connectors

Open-source RAG engine with advanced ETL, hybrid search, and visual agent orchestration for enterprise AI.

Practical guides and code for building AI search with Elasticsearch.

ML experiment tracking and LLM development platform for teams

Automated deep learning model optimization for NVIDIA GPUs.

Open-source vector database for billion-scale AI similarity search.

Open-source vector similarity search for Postgres — store embeddings with your relational data, no extra database.

Open-source AI search platform unifying vector, text, and ML ranking for scalable applications.

Open-source, serverless vector search built on object storage that claims up to 10x lower cost.

Open-source distributed SQL database with vector search, ACID transactions, and HTAP for AI agent workloads.

Open-source real-time SQL analytics, full-text search, and vector database for AI.

Open-source, cloud-native data warehouse in Rust unifying analytics, vector search, and full-text search on object storage.

Open-source ColPali cookbooks, ViDoRe V3 benchmark & multimodal RAG recipes

Zvec: open-source, in-process vector database with sub-millisecond search at billion scale.

Self-hosted RAG search engine with BM25+hybrid retrieval, 34 formats, multi-LLM, security-first governance.

Ontology-first Graph RAG platform turning messy knowledge into reusable packs

Multimodal video search API: find any scene by description in your object storage.

Multimodal search & retrieval API for AI agents in 100+ languages

Fast open-source columnar OLAP database for petabyte-scale real-time analytics

Serverless vector database with hybrid search for GenAI apps, auto-scaled to your workload

Free open-source admin UI for ChromaDB vector database

Open-source workflow orchestration for data, AI, and infrastructure pipelines

Free open-source universal database tool with AI Chat for SQL generation

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

Open-source content intelligence engine for CPU-only document extraction

Open-source incremental data framework for AI agents, processing only deltas for always-fresh context.

Open-source context retrieval layer grounding AI agents in real-time data from your apps and databases.