23 open-source AI vendors
Open-source software for AI that you can self-host, with auditable source code — regardless of the developer's headquarters.
- vendors scored
- 23
- European
- 13
- foreign-owned
- 3
- last checked
- 11 October 2026
Vendors, scored
Score per vendor: 0 = high exposure, 100 = sovereign
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- Sovereignty score 94 out of 100HopsworksSweden · Self-hosted / open sourceAI lakehouse and feature store for machine learning (open source, AGPL-3.0), as serverless, managed service or on-premises. Hopsworks AB, Stockholm, Sweden.
- Sovereignty score 94 out of 100Jina AIGermany · EU-hosted, non-EU parent · owner in United StatesJina AI is a Berlin-based AI company specialising in frontier models for multimodal and multilingual search, including open-source embedding and reranker models. Since October 2025 it is a wholly owned subsidiary of Elastic N.V. (NYSE: ESTC), a US company headquartered in Mountain View, California. Elastic has committed to continuing open-source model releases on Hugging Face.
- Sovereignty score 94 out of 100KyutaiFrance · Self-hosted / open sourceParis-based non-profit AI research lab publishing open speech and language models (Moshi, Unmute, Helium); run them yourself.
- Sovereignty score 94 out of 100LangfuseGermany · EU-hosted, non-EU parent · owner in United StatesLangfuse is an open-source LLM observability platform (MIT license) originally founded in Germany, acquired by ClickHouse Inc. (USA) in January 2026. The ultimate parent is US-based.
- Sovereignty score 94 out of 100LanguageToolGermany · EU-hosted, non-EU parent · owner in United StatesGerman writing assistant.
- Sovereignty score 94 out of 100MiðeindIceland · EU sovereignIcelandic language technology company (Miðeind ehf., Reykjavík) with tools for Icelandic spelling, speech-to-text, translation and text extraction.
- Sovereignty score 94 out of 100PleiasFrance · Self-hosted / open sourceFrench AI lab (Paris) building small open language models and open datasets such as Common Corpus, deployable on-premises for document processing.
- Sovereignty score 94 out of 100QdrantGermany · EU sovereignVector database with EU entity; self-host.
- Sovereignty score 94 out of 100WeaviateNetherlands · EU sovereignDutch open-source vector database for AI
- Sovereignty score 92 out of 100llama.cppBulgaria · Self-hosted / open sourceFoundational open-source LLM inference framework (MIT), created by Georgi Gerganov via his Sofia, Bulgaria-based ggml.ai, with broad community contribution and Hugging Face support.
- Sovereignty score 82 out of 100DustFrance · EU sovereignFrench AI platform for building internal AI assistants with LLM integration
- Sovereignty score 82 out of 100Mistral AIFrance · EU sovereignFrench generative AI company building open and commercial LLMs
- Sovereignty score 77 out of 100DeepSeekChina · Self-hosted / open sourceChinese AI company offering language models via chat, app and API; model weights (e.g. MIT licence) are downloadable. Based in Hangzhou, China.
- Sovereignty score 77 out of 100JanSingapore · Self-hosted / open sourceOpen-source (Apache 2.0) desktop app for running AI models fully locally, with optional links to external model providers. Made by Menlo Research Pte. Ltd. (Singapore).
- Sovereignty score 72 out of 100Haystack (deepset)Germany · EU sovereignBerlin-based deepset GmbH's open-source (Apache-2.0) LLM orchestration framework for RAG and agent pipelines; actively maintained (v2.30.2, June 2026) with 232+ releases.
- Sovereignty score 71 out of 100Hugging FaceUnited States · Non-EU vendorHugging Face is a US-based AI company (New York City) offering an open-source platform and Hub for sharing machine learning models, datasets, and demos. Founded 2016 by French entrepreneurs; US-headquartered with a secondary office in Paris.
- Sovereignty score 71 out of 100OllamaUnited States · Self-hosted / open sourceOpen-source (MIT-licensed) tool for running open-weight large language models locally, with no data leaving the user's own infrastructure. Made by Ollama Inc. (San Francisco, US).
- Sovereignty score 69 out of 100AnythingLLMUnited States · Self-hosted / open sourceOpen-source (MIT) AI app from Mintplex Labs Inc. (US) for chatting with your own documents and using AI agents; as a desktop app or via Docker on own servers, with local models or external providers
- Sovereignty score 69 out of 100GPT4AllUnited States · Self-hosted / open sourceOpen-source (MIT) desktop chat app for running open language models locally, with no cloud required. Made by Nomic, Inc. (New York, US).
- Sovereignty score 69 out of 100LangChainUnited States · Self-hosted / open sourceOpen-source (MIT) framework for building LLM agents and applications; maintained by LangChain, Inc. (US). Runs inside your own application.
- Sovereignty score 69 out of 100LibreChatUnited States · Self-hosted / open sourceOpen-source (MIT) self-hosted AI chat platform with agents, MCP and code interpreter for multiple model providers; acquired by ClickHouse (US) in 2025
- Sovereignty score 69 out of 100UnstructuredUnited States · Self-hosted / open sourceOpen-source library (Apache 2.0) and platform that converts PDFs, web pages and Word files into structured data for AI pipelines. US company.
- Sovereignty score 49 out of 100LiteLLMUnited States · Non-EU vendorOpen-source LLM API gateway (dual-licensed, with an enterprise tier) by BerriAI (Y Combinator W23, San Francisco); routes requests to 100+ LLM providers through one interface.
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