Best Open Source Alternatives to Comet ML

Compare the best free and open-source alternatives to Comet ML — self-hosted and desktop replacements you fully control, ranked by GitHub stars, license and platform support.

Curated by open-source.store · Updated November 2026 · 3 alternatives

Comet ML

Proprietary SaaS

PricingFreemium

Platformsweb

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Comet ML alternatives compared

Open-source alternatives to Comet ML, compared by stars, license and platform
Tool		License	Platforms	Self-hosted
MLflow	28,630	Apache-2.0	LinuxDockerWeb	Yes	Nov 2026	Visit
ClearML	6,928	Apache-2.0	LinuxDockerWeb	Yes	Nov 2026	Visit
Aim	6,291	Apache-2.0	LinuxDockerWeb	Yes	Nov 2026	Visit

Top open-source Comet ML alternatives

MLflow28,630Apache-2.0

MLflow replaces Weights & Biases with a self-hosted platform for ML experiment tracking, model registry governance, and agent observability.

LinuxDockerWeb

vs Comet ML: a free, open-source option you fully control, licensed Apache-2.0.

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ClearML6,928Apache-2.0

ClearML is an open-source MLOps platform replacing ClearML Pro and Weights & Biases with self-hosted experiment tracking and GPU compute orchestration.

LinuxDockerWeb

vs Comet ML: a free, open-source option you fully control, licensed Apache-2.0.

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Aim6,291Apache-2.0

Aim is a self-hosted alternative to Comet ML and Weights & Biases that stores ML training metrics in embedded RocksDB for fast local run comparison.

LinuxDockerWeb

vs Comet ML: a free, open-source option you fully control, licensed Apache-2.0.

Visit Details

Best Open Source Alternatives to Comet ML

Comet ML

Comet ML alternatives compared

Top open-source Comet ML alternatives

The modern standard for Protobuf workflows

Mentoring for backend developers. Consulting for startups.