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Tech riderRev. 5 Oct 2026

Hubble

Ch 166.8of 29 eBPF Observability Tools
  1. 1Runs onAPI, Linux, self-hosted
  2. 2CostsFree plan
  3. 3Deployment modelself-hosted
  4. 4Kubernetes supportYes
  5. 5Network visibilityYes
  6. 6Application tracingNo
  7. 7Kernel profilingNo
  8. 8Supported operating systemsLinux, macOS, Windows
8 lines stated Written from the maker's own pages: github.com
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The Hubble homepage

Overview

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

Hubble plans and pricing

All plans
Hubble Free Open source · Apache License github.com · 5 Oct 2026

Compared on eBPF observability tools

Deployment model
self-hostedgithub.com
Kubernetes support
Yesgithub.com
Network visibility
Yesgithub.com
Application tracing
Nogithub.com
Kernel profiling
Nogithub.com
Supported operating systems
Linux, macOS, Windowsgithub.com

Facts

Purpose
Hubble is a distributed networking and security observability platform for cloud native workloads, built on Cilium and eBPF.github.com · 5 Oct 2026
Service maps
It automatically discovers Kubernetes service dependencies at L3/L4 and L7 and visualizes and filters data flows as a service map.github.com · 5 Oct 2026
Flow visibility
It provides visibility into individual TCP connections, DNS queries, HTTP requests, Kafka communication, and other network and application protocol flows.github.com · 5 Oct 2026
Metrics
Its monitoring examples include network behavior, network policy observation, HTTP request and response rates and latency, and DNS request and response monitoring.github.com · 5 Oct 2026
Security observability
Hubble can show connections blocked by network policy, services accessed from outside a cluster, and services resolving particular DNS names.github.com · 5 Oct 2026
Integrations
Hubble is built on Cilium and eBPF; Cilium documentation names Prometheus and Grafana among monitoring systems that integrate with its metrics and alerting.docs.cilium.io · 5 Oct 2026
Deployment scope
Hubble can provide visibility at node, cluster, or multi-cluster scope; Hubble Relay enables cluster-wide or Cluster Mesh visibility.docs.cilium.io · 5 Oct 2026
API access
By default, the Hubble API operates on the node where the Cilium agent runs, and the Hubble CLI queries it through a local Unix Domain Socket.docs.cilium.io · 5 Oct 2026
Web interface
Hubble UI is a web interface for visualizing and filtering service dependencies and data flows, accessed through a browser.docs.cilium.io · 5 Oct 2026
Security configuration
The documentation describes configuring TLS for the Hubble API and TLS client certificates when connecting Hubble UI to a TLS-enabled Relay.docs.cilium.io · 5 Oct 2026
License
The project is open source and licensed under the Apache License.github.com · 5 Oct 2026
Support
The project directs users to the Cilium Slack #hubble channel to ask questions and share experiences with developers and users.github.com · 5 Oct 2026
Stability
The repository lists Hubble CLI, Server, Metrics, and Relay as stable, while Hubble UI is beta and should be used with caution in critical production workloads.github.com · 5 Oct 2026
Compatibility
The Hubble CLI is backward compatible with supported Cilium releases, and only the latest Hubble CLI version is maintained.github.com · 5 Oct 2026

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Where it ranks on Specifiction

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