Open Source Alternatives to Milvus
20 open source AI options similar to Milvus, ranked by named competitors first, sector overlap, and our 0-100 AI-readiness score. Every company listed publishes its source: each one carries an open source sector tag and a public GitHub repository.
- Spice AI40Databaseתל אביב - יפו, Israel
Ground AI in enterprise data with zero ETL. Spice is an open-source SQL query & hybrid search engine built for data-intensive apps & AI agents.
Open source · Self-hostable
Faiss by Meta28AI Foundation & ComputeOpen-source library by Meta AI for efficient similarity search and clustering of dense vectors.
Open source · Self-hostable
Hugging Face76AINew York, United States$395.2MHugging Face is the leading AI community and platform for machine learning collaboration, enabling developers to build, share, and deploy models, datasets, and applications.
Open source · Self-hostable
MariaDB61DatabaseRedwood City, United States$131.0MA cloud database company providing a unified platform for transactional, analytical, and AI workloads.
Open source · Self-hostable
United Manufacturing Hub Systems54ManufacturingCologne, Germany$5.4MAn open-source data platform for manufacturers to access and structure machine data.
Open source · Self-hostable
LibreChat10AINew York, United StatesOpen-source, self-hostable AI chatbot UI.
Open source · Self-hostable
Qdrant71Vector DatabaseBerlin, Germany$87.5MHigh-performance, open-source vector search engine built in Rust for production-grade AI and machine learning workloads.
Open source · Self-hostable
Airbyte70Data IntegrationSan Francisco, United States$181.0MAn open-source data integration platform for ELT, reverse-ETL, and AI agents.
Open source · Self-hostable
Chroma61Artificial IntelligenceSan Francisco, United States$20.3MOpen-source AI-native vector database that makes knowledge and memory pluggable for LLM applications.
Open source · Self-hostable
Akash Network56DePINSan Francisco, United States$2.0MDecentralized cloud marketplace for compute resources, leveraging blockchain technology (DePIN).
Open source · Self-hostable
Mozilla Firefox54InternetSan Francisco, United States$2.3MOpen-source web browser focused on privacy, user control, and an open internet.
Open source · Self-hostable
Visual Layer50DatabaseTel Aviv, Israel$7.0MAI-powered database for visual data, enabling intelligent search and analysis of images and videos.
Open source · Self-hostable
- MAMacrodata Labs39Artificial IntelligenceParis, France$4.0M
Infrastructure for the robotics data loop.
Open source · Self-hostable
PyTorch25AISan Francisco, United StatesAn open-source machine learning framework for accelerating AI research and production deployment.
Open source · Self-hostable
TensorFlow10AIMountain View, United StatesAn open-source machine learning platform for building and deploying AI applications.
Open source · Self-hostable
- Swindex7Database
Microsecond multi-hop graph queries with a source-available Rust crate.
Open source
- Ainativex7AI Infrastructure
An open-source AI IDE and infrastructure platform for building and deploying AI agents and applications.
Open source
- Ajthinking7Open Source
Code, AI, GIS, maps, open-source tooling, city planning, and marketing automation.
Open source
Agentic Commerce Protocol (ACP)3AISan Francisco, United StatesOpen-source standard enabling secure, programmatic commerce transactions between AI agents and online businesses.
Open source · Self-hostable
Model Context Protocol (MCP)2AISan Francisco, United StatesAn open standard for connecting AI assistants to external data sources and tools.
Open source · Self-hostable