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Projects using FastStream#

Below are open-source projects and organizations whose public repositories or published packages declare FastStream as a dependency, together with tools that ship a FastStream integration of their own.

About this list

This list is compiled from public repositories and package metadata. Inclusion does not imply endorsement, support, or any affiliation with the FastStream project. If your organization is listed and you would prefer not to be, open an issue and we will remove the entry.

Science and Public Sector#

Name Who they are Project
ECMWF European Centre for Medium-Range Weather Forecasts IonBeam — streaming library for IoT data
Hydro-Québec Quebec's public electricity utility building-intelligence — building data middleware, four services, plus predictive control
it@M IT services provider of the City of Munich zammad-ai — GenAI agent for Zammad, and riski
Rubin Observatory / LSST Science Quality and Reliability Engineering (SQuaRE) team Safir — their framework for FastAPI services
NCATS (NIH) / PolusAI National Center for Advancing Translational Sciences aithena — RAG systems
Catasto Open Italian land registry catasto-cdc — change data capture for property changes
Data Cellar EU federated energy dataspace participant-template — participant onboarding services
LMDDC Luxembourg Media & Digital Design Centre alice.skilltech.tools — educational chatbots grounded in course materials
NHS Lancashire & South Cumbria SDE NHS secure data environment neulander — three services
IT'IS Foundation Foundation for Research on Information Technologies in Society osparc-simcore — simulation framework
CTIC CTIC Technology Centre, Spain connector-building-blocks — Eclipse Dataspace Components tooling
QCrBox Quantum Crystallography Toolbox QCrBox — small-molecule crystallography
NERSC National Energy Research Scientific Computing Center, US DOE interactEM

Companies#

Name Who they are Project
Red Hat enterprise open-source vendor qontract-reconcile — App-SRE reconciliation tooling
MWS MTS Web Services, digital product ecosystem data-rentgen — data lineage
Numberly marketing technology company reviewate — AI code review agent
Gravitate AI platform for the fuel supply chain bb-integrations-library — shared integration-job logic
hao.vc builders of AI-autonomous orchestrators haolib — their default backend template
KIWIQ multi-agent AI vendor kiwiq — multi-agent orchestration platform
Lemma runtime for agent-built software lemma-platform — workspace where humans and AI agents work as one team
spoo.me link management service spoo — API-first link management infrastructure
EggAI agentic workforce automation EggAI — async-first multi-agent meta framework
AgentArea control layer for agent teams agentarea — cloud-native AI agent orchestration
xi.effect / Sovlium education platform xi.back-2 — main backend service
Aeluin Technologies data integration and analytics vendor Galadril — causal analysis and system foresight platform
Waldiez multi-agent AI orchestration platforms runner — deploys Waldiez flows
traide AI AI for customs processes traide-core-python — shared library for their services
TogetherCrew open-source community tooling hivemind-bot — their LLM bot
TL;DR.tv TL;DR.tv platform team tldr-common — shared utilities and models

Tools Shipping a FastStream Integration#

These are not users but neighbouring projects that took on maintaining an integration of their own.

Name Who they are Integration
Pydantic Logfire observability platform from the Pydantic team FastStream integration — documented and covered by CI tests
RabbitMQ message broker client libraries and developer tools — FastStream listed among the clients in the official documentation
EMQX MQTT broker MQTT-Client-Examples — mqtt-client-Python-FastStream in the official client examples
NATS messaging system official blog — guest post on FastStream
dependency-injector dependency injection framework examples/miniapps/faststream — plus a documentation page
dishka dependency injection framework dishka — built-in FastStream integration
AnyDI dependency injection framework anydi — built-in FastStream integration
that-depends dependency injection framework that-depends — built-in FastStream integration

Community Extensions#

Packages built on top of FastStream by the community:

Add Your Project#

Using FastStream in production? Open a pull request adding your entry to docs/docs/en/who-uses.md, or tell us in the discussions.

If you are listed and would prefer not to be, open an issue — no explanation needed and no questions asked.