Compare

Side-by-side comparison

Pick up to four tools and compare adoption, momentum and maintenance at a glance. The crown marks the leader in each row.

YAML policy engine for cloud governance, cost cleanup and security compliance across AWS, Azure and GCP.

CNCF open-source engine and spec for real-time Kubernetes and cloud cost allocation.

Shows cloud cost estimates for Terraform and OpenTofu changes directly in pull requests.

Robusta's CLI that recommends Kubernetes CPU and memory requests and limits from Prometheus history.

Head to head

Metric	Cloud Custodian	OpenCost	Infracost	KRR
Stars	6.1k	6.8k	12.6k	4.8k
Weekly downloads	306k	n/a	n/a	n/a
Download growth	-7%	n/a	n/a	n/a
Popularity score	68/100	70/100	75/100	67/100
Forks	1.7k	919	700	287
Open issues	1.8k	373	2	147
Last commit	5d ago	1w ago	1d ago	6d ago
Latest version	0.9.53Oct 1, 2026	n/a	n/a	n/a
License	Apache-2.0	Apache-2.0	Apache-2.0	MIT
First released	2016	2019	2020	2023
Signals	None	Rising	None	None
Listed in	DevOps & Cloud › Cost management & FinOps	DevOps & Cloud › Cost management & FinOps	DevOps & Cloud › Cost management & FinOps	DevOps & Cloud › Cost management & FinOps

Hover for exact values; switch to log scale for tools of very different sizes. Not shown (no comparable download data): OpenCost, Infracost, KRR.

YAML policy engine for cloud governance, cost cleanup and security compliance across AWS, Azure and GCP.

CNCF open-source engine and spec for real-time Kubernetes and cloud cost allocation.

Shows cloud cost estimates for Terraform and OpenTofu changes directly in pull requests.

Robusta's CLI that recommends Kubernetes CPU and memory requests and limits from Prometheus history.

Metric	Cloud Custodian	OpenCost	Infracost	KRR
Stars	6.1k	6.8k	12.6k	4.8k
Weekly downloads	306k	n/a	n/a	n/a
Download growth	-7%	n/a	n/a	n/a
Popularity score	68/100	70/100	75/100	67/100
Forks	1.7k	919	700	287
Open issues	1.8k	373	2	147
Last commit	5d ago	1w ago	1d ago	6d ago
Latest version	0.9.53Oct 1, 2026	n/a	n/a	n/a
License	Apache-2.0	Apache-2.0	Apache-2.0	MIT
First released	2016	2019	2020	2023
Signals	None	Rising	None	None
Listed in	DevOps & Cloud › Cost management & FinOps	DevOps & Cloud › Cost management & FinOps	DevOps & Cloud › Cost management & FinOps	DevOps & Cloud › Cost management & FinOps

Hover for exact values; switch to log scale for tools of very different sizes. Not shown (no comparable download data): OpenCost, Infracost, KRR.