# Chaos Toolkit - **Canonical URI:** https://www.vioscale.ai/software/chaos-toolkit - **Category:** Chaos Engineering - **Homepage:** https://chaostoolkit.org - **Also known as:** chaos-toolkit - **Profile claimed by vendor:** no - **Last updated:** 2026-08-26T19:15:07.371Z ## Vioscale score **40.3 / 100**, confidence 59% (medium). Computed 2026-09-01. _(updating — computed under an earlier model version or past its freshness window.)_ Composite of weighted, independently-sourced signals (no user reviews, no vendor payment). | Signal | Score | Weight | Contribution | Evidence present | |---|--:|--:|--:|:--:| | capabilities | 0 | 0.07844444444444446 | 0 | - | | repo_stars | 62.4 | 0.026 | 1.6 | ✓ | | integrations | 0 | 0.07033333333333334 | 0 | - | | dependent_projects | 24.9 | 0.063 | 1.6 | ✓ | | dev_activity | 28.4 | 0.094 | 2.7 | ✓ | | release_cadence | 72.2 | 0.052 | 3.8 | ✓ | | security_posture | 0 | 0.073 | 0 | - | | package_downloads | 0 | 0.136 | 0 | - | | security_score | 37 | 0.042 | 1.6 | ✓ | | community_qa_activity | 0 | 0.063 | 0 | - | ## Pricing _As of 2026-08-18, [verify at source](https://chaostoolkit.org). Independently observed._ Open source · Free tier > Free and open source under Apache 2 license ## About An open-source framework that lets developers declare and execute chaos engineering experiments using code files, enabling discovery of system weaknesses through intentional disruption and integration with CI/CD pipelines. _Independently observed._ ## Platform & deployment - **Platforms:** CLI - **Deployment:** Self-hosted ## Release history | Version | Date | Type | |---|---|---| | [1.20.0](https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.20.0) | 2026-08-08 | stable | | [1.19.0](https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.19.0) | 2024-02-20 | stable | | [1.18.0](https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.18.0) | 2024-01-14 | stable | | [1.17.1](https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.17.1) | 2024-01-14 | stable | | [1.17.0](https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.17.0) | 2024-01-11 | stable | | [1.16.0](https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.16.0) | 2023-09-12 | stable | | [1.15.1](https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.15.1) | 2023-04-03 | stable | | [1.15.0](https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.15.0) | 2023-01-29 | stable | | [1.14.0](https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.14.0) | 2023-01-27 | stable | | [1.13.0](https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.13.0) | 2022-09-29 | stable | | [1.12.0](https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.12.0) | 2022-02-25 | stable | | [1.11.0](https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.11.0) | 2022-01-05 | stable | | [1.10.1](https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.10.1) | 2021-10-27 | stable | | [1.10.0](https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.10.0) | 2021-10-04 | stable | | [1.9.6](https://github.com/chaostoolkit/chaostoolkit/releases/tag/1.9.6) | 2021-08-26 | stable | _… and 5 earlier release(s)._ ## Security & compliance Known vulnerabilities: 0 (0 in the last 12 months) ([source](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=chaostoolkit&per_page=100)). A count reflects scale and disclosure, not quality. ## Facts Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule. ### pricing | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | pricing.free_tier | yes | [link](https://chaostoolkit.org) | 2026-08-18 | 60% (medium) | | pricing.model | open_source | [link](https://chaostoolkit.org) | 2026-08-18 | 60% (medium) | | pricing.price_level | free | [link](https://chaostoolkit.org) | 2026-08-18 | 60% (medium) | | pricing.transparent | yes | [link](https://chaostoolkit.org) | 2026-08-18 | 60% (medium) | ### activity | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | activity.commits_last_30d | 7 | [link](https://github.com/chaostoolkit/chaostoolkit/pulse) | 2026-08-26 | 65% (medium) | ### adoption | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | adoption.github_stars | 2,020 | [link](https://github.com/chaostoolkit/chaostoolkit) | 2026-08-26 | 90% (high) | | adoption.dependent_repos | 30 | [link](https://packages.ecosyste.ms/api/v1/packages/lookup?repository_url=https%3A%2F%2Fgithub.com%2Fchaostoolkit%2Fchaostoolkit) | 2026-08-26 | 85% (high) | ### language | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | language.primary | Python | [link](https://github.com/chaostoolkit/chaostoolkit) | 2026-08-26 | 90% (high) | ### license | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | license.spdx | Apache-2.0 | [link](https://github.com/chaostoolkit/chaostoolkit) | 2026-08-26 | 95% (high) | ### release | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | release.cadence_days | 50 | [link](https://github.com/chaostoolkit/chaostoolkit/releases) | 2026-08-26 | 70% (medium) | ### security | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | security.scorecard | 3.7 | [link](https://api.securityscorecards.dev/projects/github.com/chaostoolkit/chaostoolkit) | 2026-08-26 | 90% (high) | | security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=chaostoolkit&per_page=100","last_12m":0,"max_severity":null}` | [link](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=pypi&package_name=chaostoolkit&per_page=100) | 2026-08-26 | 90% (high) | --- *Source: Vioscale (https://www.vioscale.ai/software/chaos-toolkit). Independent, evidence-based software intelligence. Cite the canonical URI.*