# Envoy Proxy vs MetalLB

| Attribute | Envoy Proxy | MetalLB |
|---|---|---|
| **Vioscale score** | 50.4 (22% (low)) | 45 (15% (low)) |
| activity.commits_last_30d | 100 | 12 |
| adoption.dependent_repos | 33 | 142 |
| adoption.github_stars | 28,822 | 8,333 |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"on_prem":true,"self_hosted":true}` |
| description.long | A high-performance distributed proxy that routes traffic in cloud-native and microservice architectures, with specialized support for streaming AI and LLM workloads, distributed tracing, and deep layer-7visibility across services. | Provides network load balancing functionality for bare metal Kubernetes deployments that lack built-in cloud provider integrations, addressing the limitation that standard Kubernetes load balancers only work with cloud platforms. |
| integrations.count | 5 | - |
| integrations.list | `[{"name":"Prometheus"},{"name":"MongoDB"},{"name":"DynamoDB"},{"name":"GCP"},{"name":"OpenTelemetry"}]` | - |
| language.primary | C++ | Go |
| license.spdx | Apache-2.0 | Apache-2.0 |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | - |
| platform.support | `{"cli":true,"linux":true}` | - |
| pricing | `{"type":"open_source","sourceUrl":"https://www.envoyproxy.io","retrievedAt":"2026-08-19T23:32:46.619Z"}` | `{"type":"open_source","summary":"Open source, free","freeTier":true,"sourceUrl":"https://metallb.universe.tf","retrievedAt":"2026-08-20T12:16:50.423Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | open_source | open_source |
| pricing.price_level | free | free |
| release.history | `[{"url":"https://github.com/envoyproxy/envoy/releases/tag/v1.39.0","date":"2026-07-14T22:03:18Z","type":"stable","version":"v1.39.0"},{"url":"https://github.com/envoyproxy/envoy/releases/tag/v1.38.3","date":"2026-06-23T23:28:25Z","type":"stable","version":"v1.38.3"},{"url":"https://github.com/envoyproxy/envoy/releases/tag/v1.37.5","date":"2026-06-23T22:12:13Z","type":"stable","version":"v1.37.5"},{"url":"https://github.com/envoyproxy/envoy/releases/tag/v1.36.9","date":"2026-06-23T20:22:33Z","type":"stable","version":"v1.36.9"},{"url":"https://github.com/envoyproxy/envoy/releases/tag/v1.35.13","date":"2026-06-23T18:50:22Z","type":"stable","version":"v1.35.13"},{"url":"https://github.com/envoyproxy/envoy/releases/tag/v1.38.2","date":"2026-06-10T23:13:41Z","type":"stable","version":"v1.38.2"},{"url":"https://github.com/envoyproxy/envoy/releases/tag/v1.37.4","date":"2026-06-10T20:23:34Z","type":"stable","version":"v1.37.4"},{"url":"https://github.com/envoyproxy/envoy/releases/tag/v1.36.8","date":"2026-06-10T17:35:17Z","type":"stable","version":"v1.36.8"},{"url":"https://github.com/envoyproxy/envoy/releases/tag/v1.35.12","date":"2026-06-10T14:01:55Z","type":"stable","version":"v1.35.12"},{"url":"https://github.com/envoyproxy/envoy/releases/tag/v1.38.1","date":"2026-06-04T19:28:16Z","type":"stable","version":"v1.38.1"},{"url":"https://github.com/envoyproxy/envoy/releases/tag/v1.37.3","date":"2026-06-04T14:41:02Z","type":"stable","version":"v1.37.3"},{"url":"https://github.com/envoyproxy/envoy/releases/tag/v1.36.7","date":"2026-06-04T12:03:43Z","type":"stable","version":"v1.36.7"},{"url":"https://github.com/envoyproxy/envoy/releases/tag/v1.35.11","date":"2026-06-03T19:30:41Z","type":"stable","version":"v1.35.11"},{"url":"https://github.com/envoyproxy/envoy/releases/tag/v1.38.0","date":"2026-04-23T23:53:48Z","type":"stable","version":"v1.38.0"},{"url":"https://github.com/envoyproxy/envoy/releases/tag/v1.37.2","date":"2026-04-10T22:34:57Z","type":"stable","version":"v1.37.2"},{"url":"https://github.com/envoyproxy/envoy/releases/tag/v1.36.6","date":"2026-04-10T19:47:43Z","type":"stable","version":"v1.36.6"},{"url":"https://github.com/envoyproxy/envoy/releases/tag/v1.35.10","date":"2026-04-10T18:43:08Z","type":"stable","version":"v1.35.10"},{"url":"https://github.com/envoyproxy/envoy/releases/tag/v1.34.14","date":"2026-04-10T17:08:08Z","type":"stable","version":"v1.34.14"},{"url":"https://github.com/envoyproxy/envoy/releases/tag/v1.37.1","date":"2026-03-11T01:56:50Z","type":"stable","version":"v1.37.1"},{"url":"https://github.com/envoyproxy/envoy/releases/tag/v1.36.5","date":"2026-03-11T00:36:07Z","type":"stable","version":"v1.36.5"}]` | `[{"url":"https://github.com/metallb/metallb/releases/tag/metallb-chart-0.16.1","date":"2026-05-27T21:12:45Z","type":"stable","version":"metallb-chart-0.16.1"},{"url":"https://github.com/metallb/metallb/releases/tag/v0.16.0","date":"2026-05-20T16:32:24Z","type":"stable","version":"v0.16.0"},{"url":"https://github.com/metallb/metallb/releases/tag/metallb-chart-0.16.0","date":"2026-05-20T15:12:13Z","type":"stable","version":"metallb-chart-0.16.0"},{"url":"https://github.com/metallb/metallb/releases/tag/v0.15.3","date":"2025-12-04T15:48:02Z","type":"stable","version":"v0.15.3"},{"url":"https://github.com/metallb/metallb/releases/tag/metallb-chart-0.15.3","date":"2025-12-04T15:20:55Z","type":"stable","version":"metallb-chart-0.15.3"},{"url":"https://github.com/metallb/metallb/releases/tag/v0.15.2","date":"2025-06-04T11:19:42Z","type":"stable","version":"v0.15.2"},{"url":"https://github.com/metallb/metallb/releases/tag/metallb-chart-0.15.2","date":"2025-06-04T10:50:26Z","type":"stable","version":"metallb-chart-0.15.2"},{"url":"https://github.com/metallb/metallb/releases/tag/metallb-chart-0.15.1","date":"2025-06-04T09:03:36Z","type":"stable","version":"metallb-chart-0.15.1"},{"url":"https://github.com/metallb/metallb/releases/tag/v0.15.0","date":"2025-06-03T13:33:11Z","type":"stable","version":"v0.15.0"},{"url":"https://github.com/metallb/metallb/releases/tag/metallb-chart-0.15.0","date":"2025-06-03T12:43:28Z","type":"stable","version":"metallb-chart-0.15.0"},{"url":"https://github.com/metallb/metallb/releases/tag/v0.14.9","date":"2024-12-17T15:55:10Z","type":"stable","version":"v0.14.9"},{"url":"https://github.com/metallb/metallb/releases/tag/metallb-chart-0.14.9","date":"2024-12-17T14:58:18Z","type":"stable","version":"metallb-chart-0.14.9"},{"url":"https://github.com/metallb/metallb/releases/tag/v0.14.8","date":"2024-07-23T12:51:06Z","type":"stable","version":"v0.14.8"},{"url":"https://github.com/metallb/metallb/releases/tag/metallb-chart-0.14.8","date":"2024-07-23T12:42:10Z","type":"stable","version":"metallb-chart-0.14.8"},{"url":"https://github.com/metallb/metallb/releases/tag/v0.14.7","date":"2024-07-16T20:09:24Z","type":"stable","version":"v0.14.7"},{"url":"https://github.com/metallb/metallb/releases/tag/v0.14.6","date":"2024-07-16T12:07:06Z","type":"stable","version":"v0.14.6"},{"url":"https://github.com/metallb/metallb/releases/tag/metallb-chart-0.14.7","date":"2024-07-16T20:07:58Z","type":"stable","version":"metallb-chart-0.14.7"},{"url":"https://github.com/metallb/metallb/releases/tag/metallb-chart-0.14.6","date":"2024-07-16T11:19:16Z","type":"stable","version":"metallb-chart-0.14.6"},{"url":"https://github.com/metallb/metallb/releases/tag/v0.14.5","date":"2024-04-19T20:07:56Z","type":"stable","version":"v0.14.5"},{"url":"https://github.com/metallb/metallb/releases/tag/metallb-chart-0.14.5","date":"2024-04-19T14:44:26Z","type":"stable","version":"metallb-chart-0.14.5"}]` |
| security.disclosure_policy | yes | - |
| security.scorecard | 8.5 | 6.3 |
| security.vulnerabilities | `{"count":11,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fenvoyproxy%2Fenvoy&per_page=100","last_12m":9,"max_severity":"CRITICAL"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=go.universe.tf%2Fmetallb&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Load Balancers)

| Capability | Envoy Proxy | MetalLB |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Layer | - | - |
| Deployment form | - | - |
| Tls termination | - | - |
| Http2 http3 support | - | - |
| Gslb multi region | - | - |
| K8s ingress or gateway API | - | - |
| WAF bundled | - | - |
| Autoscaling integration | - | - |
| Health check depth | - | - |
| Session persistence | - | - |
| Fips 140 validated | - | - |
| Open source | - | - |
| Pricing model | - | - |

*Source: Vioscale. Generated 2026-09-01T12:41:31.417Z. "-" = undocumented, not absent.*