# PowerfulSeal vs Toxiproxy

| Attribute | PowerfulSeal | Toxiproxy |
|---|---|---|
| **Vioscale score** | 52.1 (56% (medium)) | 53.4 (80% (high)) |
| activity.commits_last_30d | - | 2 |
| adoption.dependent_repos | - | 33,999 |
| adoption.github_stars | 1,980 | 12,285 |
| deployment.options | `{"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | Open-source testing tool that injects controlled failures into Kubernetes environments using YAML policy files, allowing teams to identify system weaknesses and validate recovery capabilities before issues reach production. | A Go-based TCP proxy tool designed for testing and CI environments that injects controlled network failures, latency, and corruption to verify applications handle degraded connectivity gracefully. Enables developers to simulate chaos deterministically or with randomization during testing. |
| integrations.count | 7 | 1 |
| integrations.list | `[{"name":"Kubernetes"},{"name":"OpenStack"},{"name":"AWS"},{"name":"Azure"},{"name":"GCP"},{"name":"Prometheus"},{"name":"Datadog"}]` | `[{"name":"Ruby"}]` |
| language.primary | Python | Go |
| license.spdx | Apache-2.0 | MIT |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true}` | `{"cli":true,"mac":true,"linux":true,"windows":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-08-18T12:47:42.590Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://github.com/pricing","retrievedAt":"2026-08-18T12:54:48.953Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | free | free |
| pricing.transparent | - | yes |
| release.cadence_days | 4 | 66 |
| release.history | `[{"url":"https://github.com/powerfulseal/powerfulseal/releases/tag/3.3.0","date":"2021-09-17T16:53:43Z","type":"stable","version":"3.3.0"},{"url":"https://github.com/powerfulseal/powerfulseal/releases/tag/3.2.0","date":"2021-04-06T09:47:13Z","type":"stable","version":"3.2.0"},{"url":"https://github.com/powerfulseal/powerfulseal/releases/tag/3.1.1","date":"2020-08-25T09:35:54Z","type":"stable","version":"3.1.1"},{"url":"https://github.com/powerfulseal/powerfulseal/releases/tag/3.1.0","date":"2020-08-23T10:20:05Z","type":"stable","version":"3.1.0"},{"url":"https://github.com/powerfulseal/powerfulseal/releases/tag/3.0.1","date":"2020-08-06T15:00:50Z","type":"stable","version":"3.0.1"},{"url":"https://github.com/powerfulseal/powerfulseal/releases/tag/3.0.0","date":"2020-08-05T11:59:31Z","type":"stable","version":"3.0.0"},{"url":"https://github.com/powerfulseal/powerfulseal/releases/tag/3.0.0rc13","date":"2020-08-05T10:19:25Z","type":"prerelease","version":"3.0.0rc13"},{"url":"https://github.com/powerfulseal/powerfulseal/releases/tag/3.0.0rc12","date":"2020-07-22T09:11:55Z","type":"prerelease","version":"3.0.0rc12"},{"url":"https://github.com/powerfulseal/powerfulseal/releases/tag/3.0.0rc11","date":"2020-07-16T11:07:58Z","type":"prerelease","version":"3.0.0rc11"},{"url":"https://github.com/powerfulseal/powerfulseal/releases/tag/3.0.0rc10","date":"2020-07-14T11:16:49Z","type":"prerelease","version":"3.0.0rc10"},{"url":"https://github.com/powerfulseal/powerfulseal/releases/tag/3.0.0rc9","date":"2020-06-15T18:01:14Z","type":"prerelease","version":"3.0.0rc9"},{"url":"https://github.com/powerfulseal/powerfulseal/releases/tag/3.0.0rc8","date":"2020-06-10T13:52:48Z","type":"prerelease","version":"3.0.0rc8"},{"url":"https://github.com/powerfulseal/powerfulseal/releases/tag/3.0.0rc4","date":"2020-06-10T08:00:59Z","type":"prerelease","version":"3.0.0rc4"},{"url":"https://github.com/powerfulseal/powerfulseal/releases/tag/3.0.0rc3","date":"2020-06-09T19:15:17Z","type":"prerelease","version":"3.0.0rc3"},{"url":"https://github.com/powerfulseal/powerfulseal/releases/tag/3.0.0rc2","date":"2020-06-09T18:50:11Z","type":"prerelease","version":"3.0.0rc2"},{"url":"https://github.com/powerfulseal/powerfulseal/releases/tag/3.0.0rc1","date":"2020-06-09T15:08:41Z","type":"prerelease","version":"3.0.0rc1"},{"url":"https://github.com/powerfulseal/powerfulseal/releases/tag/3.0.0rc0","date":"2020-06-05T13:20:26Z","type":"prerelease","version":"3.0.0rc0"},{"url":"https://github.com/powerfulseal/powerfulseal/releases/tag/2.9.1","date":"2020-06-02T22:13:39Z","type":"stable","version":"2.9.1"},{"url":"https://github.com/powerfulseal/powerfulseal/releases/tag/2.9.0","date":"2020-04-04T10:07:50Z","type":"stable","version":"2.9.0"},{"url":"https://github.com/powerfulseal/powerfulseal/releases/tag/2.8.0","date":"2019-11-20T08:36:05Z","type":"stable","version":"2.8.0"}]` | `[{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.12.0","date":"2025-03-18T13:12:45Z","type":"stable","version":"v2.12.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.11.0","date":"2024-10-16T19:26:12Z","type":"stable","version":"v2.11.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.10.0","date":"2024-10-08T17:50:37Z","type":"stable","version":"v2.10.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.9.0","date":"2024-03-12T18:35:45Z","type":"stable","version":"v2.9.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.8.0","date":"2024-02-27T20:31:13Z","type":"stable","version":"v2.8.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.7.0","date":"2023-10-25T15:03:55Z","type":"stable","version":"v2.7.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.6.0","date":"2023-08-22T16:02:08Z","type":"stable","version":"v2.6.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.5.0","date":"2022-09-10T12:10:32Z","type":"stable","version":"v2.5.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.4.0","date":"2022-03-07T16:23:51Z","type":"stable","version":"v2.4.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.3.0","date":"2021-12-23T12:22:50Z","type":"stable","version":"v2.3.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.2.0","date":"2021-10-17T16:32:33Z","type":"stable","version":"v2.2.0"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.7","date":"2021-09-23T15:00:38Z","type":"stable","version":"v2.1.7"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.6","date":"2021-09-23T12:35:53Z","type":"stable","version":"v2.1.6"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.5","date":"2021-09-01T16:00:02Z","type":"stable","version":"v2.1.5"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.5-pre","date":"2021-09-01T11:15:45Z","type":"prerelease","version":"v2.1.5-pre"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.4","date":"2019-01-22T15:27:12Z","type":"stable","version":"v2.1.4"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.3","date":"2018-03-05T23:45:13Z","type":"stable","version":"v2.1.3"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.2","date":"2017-07-10T13:42:37Z","type":"stable","version":"v2.1.2"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.2rc1","date":"2017-06-29T17:47:23Z","type":"prerelease","version":"v2.1.2rc1"},{"url":"https://github.com/Shopify/toxiproxy/releases/tag/v2.1.1","date":"2017-05-16T17:30:44Z","type":"stable","version":"v2.1.1"}]` |
| security.scorecard | 4.2 | 6.8 |
| security.vulnerabilities | - | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2FShopify%2Ftoxiproxy&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Chaos Engineering)

| Capability | PowerfulSeal | Toxiproxy |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Fault injection scope | - | - |
| Blast radius control | - | - |
| Automated abort safety | - | - |
| Kubernetes native | - | - |
| Scheduling gameday orchestration | - | - |
| Observability integration | - | - |
| Experiment as code | - | - |
| Agent based | - | - |
| RBAC access control | - | - |
| Deployment model | - | - |
| SOC2 | - | - |
| Open source | - | - |
| Pricing model | - | - |

*Source: Vioscale. Generated 2026-09-01T17:09:55.647Z. "-" = undocumented, not absent.*