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Top 9 Go helm-plugin Projects
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Project mention: Why Helm Chart Testing Matters (And How to Choose Your Tools) | dev.to | 2026-01-11
helm-unittest is the most widely adopted unit testing framework for Helm charts.
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helm-mapkubeapis
This is a Helm plugin which map deprecated or removed Kubernetes APIs in a release to supported APIs
The biggest change for the end user is fixing 3-Way-Merge-related issues by introducing SSA. However, Helm still lacks proper CRD management, users have to deploy half of their resources as hooks to control their deployment order or to update immutable resources, and numerous years-old bugs (with whole plugins developed to work around them) migrate from one major release to another.
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helm plugin install https://github.com/databus23/helm-diff helm plugin install https://github.com/aslafy-z/helm-git helm plugin install https://github.com/hypnoglow/helm-s3.git helm plugin install https://github.com/jkroepke/helm-secrets
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helm-monitor
Monitor K8S Helm release, rollback on metrics behavior (Prometheus, Elasticsearch, Sentry)
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helm-cel
A Helm plugin that uses Common Expression Language (CEL) to validate values. Instead of using JSON Schema in values.schema.json, you can write more expressive validation rules using CEL in values.cel.yaml.
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distribution-tooling-for-helm
Helm Distribution plugin is is a set of utilities and Helm Plugin for making offline work with Helm Charts easier. It is meant to be used for creating reproducible and relocatable packages for Helm Charts that can be moved around registries without hassles. This is particularly useful for distributing Helm Charts into airgapped environments.
I am not sure if this is part of the Bitnami Helm Chart Fiasco, but they seem to be changing open source projects from Apache to BSL.
Was looking at chart-syncer, and found: https://github.com/bitnami/charts-syncer/issues/307
And it depends on some tooling from VMware, which has the same notice: https://github.com/vmware-labs/distribution-tooling-for-helm/issues/132
Not that I'm surprised, just stumbled across this.
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helm-teller
Allows you to manage configuration and secrets from multiple provider while masking the secrets at the deployment
NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
Go helm-plugin discussion
Go helm-plugin related posts
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A Beginner's Guide To Service Discovery in Prometheus
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Helm CEL – Use Common Expression Language to Validate Helm Values
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Installing multiple helm charts in one go [Approach 2 - using helmfile]
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Simplified Deployment: A Deep Dive into Containerization and Helm
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What are you favorite dashboard tools? Stack and usecases inside.
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Data driven decisions in OSS [helm-dashboard]
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Show HN: Data driven decisions in OSS [helm-dashboard]
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A note from our sponsor - SaaSHub
www.saashub.com | 15 Jun 2026
Index
What are some of the best open-source helm-plugin projects in Go? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | helm-unittest | 1,337 |
| 2 | helm-mapkubeapis | 1,035 |
| 3 | helm-push | 720 |
| 4 | helm-s3 | 611 |
| 5 | helm-monitor | 420 |
| 6 | helm-gcs | 284 |
| 7 | helm-cel | 130 |
| 8 | distribution-tooling-for-helm | 102 |
| 9 | helm-teller | 69 |
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