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The Open-Source AI Radar

The open-source building blocks we track, assess — and, for some, run in production. License explained, maturity, trend: what a decision-maker needs to know before betting on them.

vLLM

High-performance LLM inference server (continuous batching, PagedAttention).

Apache-2.0· Free for commercial use

Apache 2.0: free for commercial use in production, no strings attached.

Sovereign alternative to: OpenAI API (inférence)

View on GitHub87,661 starslatest release v0.26.0

Ollama

Run open-weight LLMs locally, in a single command.

MIT· Free for commercial use

MIT: one of the most permissive licenses, fully free for commercial use.

View on GitHub177,274 starslatest release v0.32.5

llama.cpp

LLM inference in C/C++, from server to laptop, no GPU required.

MIT· Free for commercial use

MIT: fully free for commercial use.

View on GitHub122,076 starslatest release b10189

LiteLLM

A unified gateway to 100+ LLM providers behind a single API.

MIT· Free for commercial use

MIT: free for commercial use.

View on GitHub55,075 starslatest release v1.94.0

Mistral (open-weight)

Run in production by aumia

European open-weight language models — the model layer of our sovereign deployments.

Apache-2.0 (selon modèle)· Conditions apply

“Open-weight”: weights are downloadable (often Apache 2.0), but not always open source in the OSI sense. Check model by model.

Sovereign alternative to: OpenAI / Anthropic (modèles)

View on GitHub10,836 starslatest release v1.6.0

Whisper

Run in production by aumia

Multilingual speech-to-text, runnable locally — used in our healthcare deployments.

MIT· Free for commercial use

MIT: fully free for commercial use, including locally on sensitive data.

Sovereign alternative to: API de transcription cloud

View on GitHub106,114 starslatest release v20250625

Qdrant

Vector database for semantic search and RAG.

Apache-2.0· Free for commercial use

Apache 2.0: free for commercial use.

Sovereign alternative to: Pinecone (base vectorielle SaaS)

View on GitHub33,673 starslatest release v1.18.3

pgvector

Run in production by aumia

Vector search directly inside PostgreSQL — our default RAG foundation.

Licence PostgreSQL· Free for commercial use

PostgreSQL License (BSD/MIT-style): free for commercial use.

Sovereign alternative to: Pinecone (si vous avez déjà PostgreSQL)

View on GitHub22,400 stars

n8n

Run in production by aumia

Self-hostable workflow and integration automation — our automation engine.

Sustainable Use License· Conditions apply

“Fair-code” (Sustainable Use License): free for internal use, but NOT OSI open source — reselling it as a SaaS is restricted.

Sovereign alternative to: Zapier / Make

View on GitHub198,658 starslatest release [email protected]

Langfuse

Observability and tracing for LLM applications (cost, latency, quality).

MIT (cœur)· Free for commercial use

MIT core; some enterprise features are under a separate commercial license.

View on GitHub32,153 starslatest release v4.0.0

OpenClaw

Personal AI agent wired into your messaging apps, running on your own machine or server.

MIT· Free for commercial use

MIT: free for commercial use. GitHub reports “Other” because the file points to third-party notices (THIRD_PARTY_NOTICES.md) — the licence text itself is standard MIT.

Sovereign alternative to: ChatGPT, Copilot (assistant personnel)

Our position

Deployable in a company under conditions: an agent wired into messaging reads content written by third parties and acts on your behalf. Governed by an independent foundation since February 2026.

See the hardening framework

Hermes Agent

Continuous-memory agent runtime from Nous Research: the agent learns from how you use it over time.

MIT· Free for commercial use

MIT: free for commercial use in production, no strings attached.

Sovereign alternative to: ChatGPT (agent personnel et mémoire)

Our position

Deployable in a company under conditions, stricter than most: persistent memory is the whole point of the product and where the GDPR risk concentrates — a memory you cannot search is a memory you cannot purge.

See the hardening framework

Metabase

Self-service, self-hostable business intelligence.

AGPL-3.0· Conditions apply

AGPL: free for internal use; but embedding it in a distributed product forces you to open-source your own code. Commercial enterprise edition available.

Sovereign alternative to: Tableau / Power BI (BI)

View on GitHub48,443 starslatest release v0.63.2

dbt-core

Versioned, tested SQL data transformation.

Apache-2.0· Free for commercial use

Apache 2.0: free for commercial use (the core; the Cloud offering is separate).

View on GitHub13,544 starslatest release v1.12.0

Airbyte

Data ingestion connectors (ELT), several hundred sources.

ELv2 / MIT (mixte)· Conditions apply

Mixed licensing (including Elastic License v2): free to use, but you may not offer it as a competing managed service.

Sovereign alternative to: Fivetran

View on GitHub21,739 starslatest release v2.0.0

PostgreSQL

Run in production by aumia

The reference relational database — the foundation of our whole stack.

Licence PostgreSQL· Free for commercial use

PostgreSQL License (BSD-style): among the most permissive there is.

View on GitHub21,630 stars

Coolify

Run in production by aumia

Self-hosted deployment platform (sovereign PaaS) — what deploys our apps.

Apache-2.0· Free for commercial use

Apache 2.0: free for commercial use.

Sovereign alternative to: Vercel / Heroku (PaaS)

View on GitHub59,830 starslatest release v4.1.2

Keycloak

Identity and access management (SSO, OIDC, SAML).

Apache-2.0· Free for commercial use

Apache 2.0: free for commercial use.

Sovereign alternative to: Auth0 / Okta

View on GitHub35,901 starslatest release 26.7.0

Stars and trends updated weekly by our automated tracking.

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