No. 16 of 29 ·eBPF Observability Tools

Caretta

Linux · Self-hosted

Freedom report

Two barsScore 5.4

Free tierA free tier is on its own pricing page
Open codeNo open-source code on record
Runs widely1 of 6 device platforms
DocumentedPlans, terms and facts published

Caretta is ranked #16 of 29 in eBPF observability tools on Freedom251. It runs on Linux, Self-hosted. There is a free plan.

Caretta plans and pricing

All plans

Caretta Free Open-source Kubernetes tool · install with Helm · requires Linux kernel >= 4.16 and CO-RE support github.com · 5 Oct 2026

Compared on eBPF observability tools

Free plan: Yes
Deployment model: self-hosted
Kubernetes support: Yes
Network visibility: Yes
Supported operating systems: Linux kernel >= 4.16 with CO-RE support

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The record

Purpose: Caretta creates a visual network map of services running in a Kubernetes cluster.
Collection: It uses eBPF to map service network interactions in a Kubernetes cluster.
Footprint: The project describes Caretta as lightweight, with a minimal system footprint and no cluster modifications required.
Installation: Caretta is installed with a Helm chart, and the project recommends using a new, unique namespace.
Requirements: Caretta requires Linux kernel version 4.16 or later and CO-RE support.
Grafana: The Helm chart includes a Grafana instance with a predefined dashboard for Caretta metrics.
Metrics: Caretta uses VictoriaMetrics to collect and publish metrics, which can be consumed by Prometheus-compatible dashboards.
Configuration: Built-in VictoriaMetrics and Grafana can each be disabled through Helm values; both are enabled by default.
Security setting: The included Grafana has anonymous mode enabled by default, and the README provides default administrator credentials for editing dashboards.
Support: The project directs users to its Slack channel or repository issues for help.
License: The repository lists the Apache-2.0 license.
Visualization: The Helm chart includes Grafana with a predefined dashboard for Caretta metrics.
Install: The project documents installation through a Helm chart and recommends using a new, unique namespace.
Storage: Persistent storage for the bundled VictoriaMetrics server is disabled by default and can be enabled through Helm values.
Price from: Free

Where it ranks on Freedom251

Best eBPF Observability Tools in 2026#16 of 29

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Sources

github.com/groundcover-com/caretta· checked 4 Oct 2026
groundcover.com/about· checked 5 Oct 2026