Open source focus

Open Source Alternatives to Weights & Biases (W&B)

29 open source MLOps options similar to Weights & Biases (W&B), 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.

View all alternatives to Weights & Biases (W&B) →

KiloClaw54
Artificial Intelligence
A managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.
Open source · Self-hostable
Feast AI54
MLOpsSan Francisco, United States
An open-source feature store for managing and serving data for AI/ML models in production.
Open source · Self-hostable
Apache Airflow20
MLOps
Open-source platform for programmatically authoring, scheduling, and monitoring data pipelines.
Open source · Self-hostable
Trigger Device Inc59
AI AgentsLondon, United Kingdom$16.5M
An open-source platform for building and deploying AI agents and workflows.
Open source · Self-hostable
DVC54
MLOpsSan Francisco, United States$154.0M
Open-source platform for ML experiment tracking and data versioning.
Open source · Self-hostable
Kestra49
Data OrchestrationParis, France$36.0M
An open-source orchestration platform for unifying data pipelines, AI workflows, and business processes.
Open source · Self-hostable
MLflow25
MLOpsSeattle, United States
Open-source platform for managing the ML lifecycle, from experimentation to deployment.
Open source · Self-hostable
LLMStack16
Agentic AI
Open-source, no-code platform for building and deploying AI agents, workflows, and generative AI applications.
Open source · Self-hostable
Glovity8
AI Infrastructure
Glovity is an open-source, low-cost teleoperation system for dexterous manipulation, integrating spatial wrench feedback with a haptic glove.
Open source
HU
HumanSignal7
Agentic AI
Adala is an Autonomous DAta (Labeling) Agent framework for data processing and labeling tasks.
Open source · Self-hostable
Databricks82
Data AnalyticsSan Francisco, United States$36.7B
A unified data analytics and AI platform built on the lakehouse architecture.
Open source · Self-hostable
H2O.ai64
Foundation ModelMountain View, United States$228.1M
An open-source AI and machine learning platform for enterprises.
Open source · Self-hostable
ClearML63
AutoMLTel Aviv, Israel$11.0M
Open-source, end-to-end MLOps platform for enterprise AI development and deployment.
Open source · Self-hostable
RelAI51
Agentic AISan Francisco, United States$6.9M
An open-source platform for building, simulating, evaluating, and optimizing reliable AI agents.
Open source · Self-hostable
Bubble Lab45
Artificial Intelligence
Open-source, Typescript-native agentic workflow builder for natural language to code generation.
Open source · Self-hostable
Cua39
AI AgentSan Francisco, United States$500K
Cua provides an open-source framework and cloud desktops for AI agents to control operating systems and desktop applications across Linux, Windows, macOS, and Android.
Open source
Langflow32
Agentic AILisbon, Portugal
Low-code platform for building, iterating, and deploying AI applications, especially RAG and multi-agent systems.
Open source · Self-hostable
Recognai, S.L.U.31
Data CurationBarcelona, Spain
Company
Open source
Swagger26
API DevelopmentSomerville, United States
A suite of open-source and professional tools for API design, development, documentation, and testing.
Open source · Self-hostable
API Platform16
API PlatformParis, France
Open-source framework for building and documenting APIs with a focus on developer experience.
Open source · Self-hostable
Firebolt65
Cloud Data WarehousePalo Alto, United States$264.0M
Cloud data warehouse for building next-gen analytics experiences with sub-second performance, designed for engineers and AI agents.
Open source
Metabase60
Data AnalyticsSan Francisco, United States$8.0M
Open-source business intelligence and embedded analytics platform.
Open source · Self-hostable
Probabl54
MLOpsParis, France$18.5M
Track experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.
Open source
Doubleword53
AI InfrastructureLondon, United Kingdom$15.0M
Self-hosted AI inference platform for enterprises.
Open source
Keep45
EnterpriseSan Francisco, United States$2.5M
Open-source alert management platform using AI to reduce noise and improve alert actionability for engineers.
Open source · Self-hostable
MA
Macrodata Labs39
Artificial IntelligenceParis, France$4.0M
Infrastructure for the robotics data loop.
Open source · Self-hostable
Amplication33
EnterpriseTel Aviv, Israel
Open-source Node.js backend development platform for accelerating application development.
Open source · Self-hostable
GG
ggml15
Foundation Model
A C/C++ tensor library for efficient machine learning inference on consumer hardware.
Open source · Self-hostable
Maige10
Open Source
Open-source infrastructure for automating natural language workflows directly on your codebase.
Open source · Self-hostable

Company	Sector	License	HQ	Funding	Score
KiloClawA managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.	Artificial Intelligence	Open source · Self-hostable	—	—	54
Feast AIAn open-source feature store for managing and serving data for AI/ML models in production.	MLOps	Open source · Self-hostable	San Francisco, United States	—	54
Apache AirflowOpen-source platform for programmatically authoring, scheduling, and monitoring data pipelines.	MLOps	Open source · Self-hostable	—	—	20
Trigger Device IncAn open-source platform for building and deploying AI agents and workflows.	AI Agents	Open source · Self-hostable	London, United Kingdom	$16.5M	59
DVCOpen-source platform for ML experiment tracking and data versioning.	MLOps	Open source · Self-hostable	San Francisco, United States	$154.0M	54
KestraAn open-source orchestration platform for unifying data pipelines, AI workflows, and business processes.	Data Orchestration	Open source · Self-hostable	Paris, France	$36.0M	49
MLflowOpen-source platform for managing the ML lifecycle, from experimentation to deployment.	MLOps	Open source · Self-hostable	Seattle, United States	—	25
LLMStackOpen-source, no-code platform for building and deploying AI agents, workflows, and generative AI applications.	Agentic AI	Open source · Self-hostable	—	—	16
GlovityGlovity is an open-source, low-cost teleoperation system for dexterous manipulation, integrating spatial wrench feedback with a haptic glove.	AI Infrastructure	Open source	—	—	8
HUHumanSignalAdala is an Autonomous DAta (Labeling) Agent framework for data processing and labeling tasks.	Agentic AI	Open source · Self-hostable	—	—	7
DatabricksA unified data analytics and AI platform built on the lakehouse architecture.	Data Analytics	Open source · Self-hostable	San Francisco, United States	$36.7B	82
H2O.aiAn open-source AI and machine learning platform for enterprises.	Foundation Model	Open source · Self-hostable	Mountain View, United States	$228.1M	64
ClearMLOpen-source, end-to-end MLOps platform for enterprise AI development and deployment.	AutoML	Open source · Self-hostable	Tel Aviv, Israel	$11.0M	63
RelAIAn open-source platform for building, simulating, evaluating, and optimizing reliable AI agents.	Agentic AI	Open source · Self-hostable	San Francisco, United States	$6.9M	51
Bubble LabOpen-source, Typescript-native agentic workflow builder for natural language to code generation.	Artificial Intelligence	Open source · Self-hostable	—	—	45
CuaCua provides an open-source framework and cloud desktops for AI agents to control operating systems and desktop applications across Linux, Windows, macOS, and Android.	AI Agent	Open source	San Francisco, United States	$500K	39
LangflowLow-code platform for building, iterating, and deploying AI applications, especially RAG and multi-agent systems.	Agentic AI	Open source · Self-hostable	Lisbon, Portugal	—	32
Recognai, S.L.U.Company	Data Curation	Open source	Barcelona, Spain	—	31
SwaggerA suite of open-source and professional tools for API design, development, documentation, and testing.	API Development	Open source · Self-hostable	Somerville, United States	—	26
API PlatformOpen-source framework for building and documenting APIs with a focus on developer experience.	API Platform	Open source · Self-hostable	Paris, France	—	16
FireboltCloud data warehouse for building next-gen analytics experiences with sub-second performance, designed for engineers and AI agents.	Cloud Data Warehouse	Open source	Palo Alto, United States	$264.0M	65
MetabaseOpen-source business intelligence and embedded analytics platform.	Data Analytics	Open source · Self-hostable	San Francisco, United States	$8.0M	60
ProbablTrack experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.	MLOps	Open source	Paris, France	$18.5M	54
DoublewordSelf-hosted AI inference platform for enterprises.	AI Infrastructure	Open source	London, United Kingdom	$15.0M	53
KeepOpen-source alert management platform using AI to reduce noise and improve alert actionability for engineers.	Enterprise	Open source · Self-hostable	San Francisco, United States	$2.5M	45
MAMacrodata LabsInfrastructure for the robotics data loop.	Artificial Intelligence	Open source · Self-hostable	Paris, France	$4.0M	39
AmplicationOpen-source Node.js backend development platform for accelerating application development.	Enterprise	Open source · Self-hostable	Tel Aviv, Israel	—	33
GGggmlA C/C++ tensor library for efficient machine learning inference on consumer hardware.	Foundation Model	Open source · Self-hostable	—	—	15
MaigeOpen-source infrastructure for automating natural language workflows directly on your codebase.	Open Source	Open source · Self-hostable	—	—	10