Open Source Alternatives to Weights & Biases (W&B)
39 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.
KiloClawNot ratedA managed, private, and production-grade environment for OpenClaw, offering access to over 500 AI models and essential tools.
Open source · Self-hostable
MastraNot ratedAn open-source TypeScript/JavaScript framework for building AI agents, from the creators of Gatsby.
Open source · Self-hostable
Feast AINot ratedAn open-source feature store for managing and serving data for AI/ML models in production.
Open source · Self-hostable
Apache AirflowNot ratedOpen-source platform for programmatically authoring, scheduling, and monitoring data pipelines.
Open source · Self-hostable
Together AINot ratedTogether AI offers an AI-native cloud platform providing high-performance inference APIs, GPU clusters, and fine-tuning capabilities for open-source AI models.
Open source · Self-hostable
Trigger Device IncNot ratedAn open-source platform for building and deploying AI agents and workflows.
Open source · Self-hostable
DVCNot ratedOpen-source platform for ML experiment tracking and data versioning.
Open source · Self-hostable
RelAINot ratedAn open-source platform for building, simulating, evaluating, and optimizing reliable AI agents.
Open source · Self-hostable
KestraNot ratedAn open-source orchestration platform for unifying data pipelines, AI workflows, and business processes.
Open source · Self-hostable
MLflowNot ratedOpen-source platform for managing the ML lifecycle, from experimentation to deployment.
Open source · Self-hostable
LLMStackNot ratedOpen-source, no-code platform for building and deploying AI agents, workflows, and generative AI applications.
Open source · Self-hostable
MCP.soNot ratedA community-driven marketplace for discovering and deploying Model Context Protocol (MCP) servers and clients.
Open source · Self-hostable
- HUHumanSignalNot rated
Adala is an Autonomous DAta (Labeling) Agent framework for data processing and labeling tasks.
Open source · Self-hostable
- GEGeniANot rated
Open-source AI platform engineering team member for production environments, automating tasks and learning tools.
Open source · Self-hostable
DatabricksNot ratedA unified data analytics and AI platform built on the lakehouse architecture.
Open source · Self-hostable
H2O.aiNot ratedAn open-source AI and machine learning platform for enterprises.
Open source · Self-hostable
ClearMLNot ratedOpen-source, end-to-end MLOps platform for enterprise AI development and deployment.
Open source · Self-hostable
Visual LayerNot ratedAI-powered database for visual data, enabling intelligent search and analysis of images and videos.
Open source · Self-hostable
Bubble LabNot ratedOpen-source, Typescript-native agentic workflow builder for natural language to code generation.
Open source · Self-hostable
CuaNot ratedCua 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
Recognai, S.L.U.Not ratedCompany
Open source
SwaggerNot ratedA suite of open-source and professional tools for API design, development, documentation, and testing.
Open source · Self-hostable
API PlatformNot ratedOpen-source framework for building and documenting APIs with a focus on developer experience.
Open source · Self-hostable
DocsGPTNot ratedOpen-source AI platform for securely deploying intelligent agents, private enterprise search, and complex document workflows on an organization's own data.
Open source · Self-hostable
FireboltNot ratedCloud data warehouse for building next-gen analytics experiences with sub-second performance, designed for engineers and AI agents.
Open source
AirweaveNot ratedOpen-source tool to transform application data into accessible knowledge for AI agents.
Open source · Self-hostable
MetabaseNot ratedOpen-source business intelligence and embedded analytics platform.
Open source · Self-hostable
Elementary DataNot ratedElementary Data provides a unified data control plane for the AI era, offering observability, quality, governance, and discovery for data and AI reliability.
Open source
ProbablNot ratedTrack experiments, validate models, and collaborate with confidence using Skore, the methodology layer for AI coding tools.
Open source
DoublewordNot ratedSelf-hosted AI inference platform for enterprises.
Open source
PromptQLNot ratedAn AI-native workspace designed to turn team interactions into actionable, proprietary data for agentic workflows.
Open source · Self-hostable
KeepNot ratedOpen-source alert management platform using AI to reduce noise and improve alert actionability for engineers.
Open source · Self-hostable
AmplicationNot ratedOpen-source Node.js backend development platform for accelerating application development.
Open source · Self-hostable
Faiss by MetaNot ratedOpen-source library by Meta AI for efficient similarity search and clustering of dense vectors.
Open source · Self-hostable
ComputeSDKNot ratedComputeSDK provides an open-source platform for benchmarking cloud infrastructure, including AI gateways, sandboxes, storage, and browsers, and offers a unified SDK for running code in remote sandboxes.
Open source
InconvoNot ratedInconvo is an open-source platform for building data agents on production data with safe queries, permissions, and structured outputs.
Open source · Self-hostable
- GGggmlNot rated
A C/C++ tensor library for efficient machine learning inference on consumer hardware.
Open source · Self-hostable
MaigeNot ratedOpen-source infrastructure for automating natural language workflows directly on your codebase.
Open source · Self-hostable
Langchain-ChatchatNot ratedOpen-source, offline-deployable RAG and Agent application built on LangChain for local knowledge base Q&A.
Open source · Self-hostable

