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Top 14 Go finops Projects
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infracost
Cloud cost intelligence for engineers, AI coding agents, and CI/CD 💰📉 Shift FinOps Left!
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SaaSHub
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Project mention: Three Budget-Guardrail Failure Modes That Matter More Than Model Quality (May 2026) | dev.to | 2026-05-19
Source: https://github.com/opencost/opencost/issues/3533 (open, updated 2026-04-06)
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openmeter
Metering and Billing for AI, API and DevOps. Collect and aggregate millions of usage events in real-time and enable usage-based billing.
This is where billing starts. Every time a user makes an API call, you'll send a usage event to Konnect Metering & Billing. The metering layer (powered by the open-source OpenMeter engine) ingests and aggregates these events. You'll talk to the API directly using standard HTTP calls, no extra dependencies needed.
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Selefra
The open-source policy-as-code software that provides analysis for Multi-Cloud and SaaS environments, you can get insight with natural language (powered by OpenAI).
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Karpenter GCP provider is now available in preview, enabling intelligent autoscaling for Kubernetes workloads on Google Cloud Platform (GCP). Developed by the CloudPilot AI team in collaboration with the community, this release extends Karpenter's multi-cloud capabilities.
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actions
GitHub Action for Infracost. See cloud cost estimates for Terraform in pull requests. 💰📉 Love your cloud bill! (by infracost)
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CloudSlash
Local-first AWS forensic engine. Finds waste via dependency graph analysis and enables safe remediation with Terraform state restoration.
CloudSlash CloudSlash is a local-first AWS forensic engine that automatically identifies and safely remediates cloud waste through dependency graph analysis and mathematical optimisation. Unlike passive monitoring tools, it actively finds unused resources, calculates optimal configurations using linear programming, and provides safe cleanup with rollback capabilities through its "Lazarus Protocol." The tool combines Git/Terraform provenance tracking with sophisticated algorithms to deliver 15-25% cost reductions while maintaining zero-trust security principles.
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savings-estimator
Desktop application for Windows, Mac and Linux that can be used to estimate your Spot savings and optionally prepare configuration for our AutoSpotting Spot optimization engine.
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infercost
Kubernetes-native cost intelligence for on-premises AI inference. Computes true cost-per-token from GPU amortization, electricity, and real power draw.
Project mention: The $0 Problem: Why Every Tool Says Your On-Prem Inference is Free | dev.to | 2026-03-23 -
terraform-provider-plancost
A Terraform Provider for cloud cost estimation with extensive Azure support. See the price tag of your infrastructure changes before you deploy.
GitHub: github.com/plancost/terraform-provider-plancost
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finfocus
FinOps CLI for Pulumi — projected costs, actual spend tracking, budget enforcement, and cost optimization for cloud infrastructure
Building finfocus, a FinOps CLI that talks to cloud providers through gRPC plugins, I hit the same wall. Except this time there was a second reader who couldn't follow the logs: the agent. I'd ask Claude to find why a plugin call failed, and it would dig through the finfocus logs, reach the gRPC boundary, and find nothing on the other side. Unconnected traces, or no traces at all. I'd reached for zerolog early, but I'd wired it up wrong. The CLI logged. The plugin logged. Nothing tied the two together, so neither of us could see across the boundary.
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optipod
OptiPod is an open-source, Kubernetes-native operator that automatically rightsizes CPU and memory requests and limits for your workloads based on real-time and historical usage patterns.
Project mention: Show HN: Claude Code plugin for building Kubernetes CRD operators | news.ycombinator.com | 2026-02-23claude plugin install k8s@sagart-devtools
GitHub: https://github.com/Sagart-cactus/claude-k8s-plugin
Built this partly as a learning exercise in Claude Code's plugin system, and partly because I'm building a larger project where this capability was needed: OptiPod (https://github.com/Sagart-cactus/optipod), a GitOps-safe Kubernetes resource rightsizing operator. Happy to answer questions about the plugin architecture, the hook system, or the operator patterns baked into the skills.
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Project mention: C3X: Open-source cloud cost estimates for Terraform, no API key needed | news.ycombinator.com | 2026-05-12
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Project mention: Reconciling Kubernetes cost estimates with CUR / FOCUS billing data | news.ycombinator.com | 2026-05-29
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 finops discussion
Go finops related posts
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10 Mistakes You're making in Kubernetes that cost you money
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I built a local-first AWS cost killer in Go (Open Source)
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Show HN: CloudSlash – Graph-based AWS cleaner with Terraform undo
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The art of guesstimating
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Getting Started with Infracost: Estimating Cloud Costs
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Kaytu: Open-Source Tool for Optimizing Cloud Costs Using Actual Usage Data
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A note from our sponsor - SaaSHub
www.saashub.com | 21 Jul 2026
Index
What are some of the best open-source finops projects in Go? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | infracost | 12,407 |
| 2 | opencost | 6,645 |
| 3 | openmeter | 2,126 |
| 4 | Selefra | 545 |
| 5 | karpenter-provider-gcp | 316 |
| 6 | actions | 274 |
| 7 | CloudSlash | 167 |
| 8 | savings-estimator | 36 |
| 9 | infercost | 6 |
| 10 | terraform-provider-plancost | 5 |
| 11 | finfocus | 4 |
| 12 | optipod | 3 |
| 13 | c3x | 2 |
| 14 | burn | 1 |
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