# rand - **Canonical URI:** https://www.vioscale.ai/software/rand - **Category:** Utilities - **Vendor:** Github - **Homepage:** https://rust-random.github.io/book - **Also known as:** rand - **Profile claimed by vendor:** no - **Last updated:** 2026-08-05T12:47:21.132Z ## Vioscale score **55.7 / 100**, confidence 12% (low). Composite of weighted, independently-sourced signals (no user reviews, no vendor payment). | Signal | Score | Weight | Contribution | Evidence present | |---|--:|--:|--:|:--:| | capabilities | 0 | 0.123 | 0 | - | | github_stars | 62.5 | 0.038 | 2.4 | ✓ | | integrations | 0 | 0.062 | 0 | - | | github_activity | 30 | 0.138 | 4.1 | ✓ | | release_cadence | 98.3 | 0.077 | 7.6 | ✓ | | security_posture | 0 | 0.1 | 0 | - | | package_downloads | 0 | 0.2 | 0 | - | | stackoverflow_activity | 0 | 0.092 | 0 | - | ## Pricing _As of 2026-08-05, [verify at source](https://rust-random.github.io/book). Independently observed._ Open source > Free, open-source Rust library ## About Extended documentation for Rust's random number library, including quick start, crates overview, users' guide, and contributor guidelines. _Independently observed._ ## FAQ ### What is rand? Rand is a random number generation library for the Rust programming language. It provides random number generators and related randomness functionality, supported by comprehensive documentation and API reference materials. _Source: [https://rust-random.github.io/book](https://rust-random.github.io/book)._ ### What does rand cost? Rand is an open source project available free of charge. There are no licensing fees, subscriptions, or usage-based costs. _Source: [https://rust-random.github.io/book](https://rust-random.github.io/book)._ ### What programming language does rand support? Rand is designed specifically for Rust developers. It provides native Rust capabilities for integrating random number generation into Rust applications. _Source: [https://rust-random.github.io/book](https://rust-random.github.io/book)._ ### Where can I find documentation and API reference? Rand includes extensive documentation and an API reference available through its official website. These resources explain how to implement random number generation in Rust projects. _Source: [https://rust-random.github.io/book](https://rust-random.github.io/book)._ ### Is rand open source? Yes, rand is an open source project released free of charge. Review the project's license terms for details on permitted uses. _Source: [https://rust-random.github.io/book](https://rust-random.github.io/book)._ ### Who should use rand? Rand is intended for Rust developers who need to incorporate random number generation into their applications. It provides core randomness functionality for various types of Rust projects. _Source: [https://rust-random.github.io/book](https://rust-random.github.io/book)._ ## Facts Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule. ### activity | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | activity.commits_last_30d | 8 | [link](https://github.com/rust-random/rand/pulse) | 2026-07-30 | 65% (medium) | ### adoption | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | adoption.github_stars | 2,061 | [link](https://github.com/rust-random/rand) | 2026-07-30 | 90% (high) | ### language | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | language.primary | Rust | [link](https://github.com/rust-random/rand) | 2026-07-30 | 90% (high) | ### pricing | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | pricing.model | open_source | [link](https://rust-random.github.io/book) | 2026-08-05 | 60% (medium) | | pricing.price_level | free | [link](https://rust-random.github.io/book) | 2026-08-05 | 60% (medium) | | pricing.transparent | yes | [link](https://rust-random.github.io/book) | 2026-08-05 | 60% (medium) | ### release | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | release.cadence_days | 3 | [link](https://github.com/rust-random/rand/releases) | 2026-07-30 | 70% (medium) | ### content | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | content.faq | `[{"answer":"Rand is a random number generation library for the Rust programming language. It provides random number generators and related randomness functionality, supported by comprehensive documentation and API reference materials.","source":"https://rust-random.github.io/book","question":"What is rand?","confidence":0.95},{"answer":"Rand is an open source project available free of charge. There are no licensing fees, subscriptions, or usage-based costs.","source":"https://rust-random.github.io/book","question":"What does rand cost?","confidence":0.95},{"answer":"Rand is designed specifically for Rust developers. It provides native Rust capabilities for integrating random number generation into Rust applications.","source":"https://rust-random.github.io/book","question":"What programming language does rand support?","confidence":0.95},{"answer":"Rand includes extensive documentation and an API reference available through its official website. These resources explain how to implement random number generation in Rust projects.","source":"https://rust-random.github.io/book","question":"Where can I find documentation and API reference?","confidence":0.9},{"answer":"Yes, rand is an open source project released free of charge. Review the project's license terms for details on permitted uses.","source":"https://rust-random.github.io/book","question":"Is rand open source?","confidence":0.85},{"answer":"Rand is intended for Rust developers who need to incorporate random number generation into their applications. It provides core randomness functionality for various types of Rust projects.","source":"https://rust-random.github.io/book","question":"Who should use rand?","confidence":0.85}]` | [link](https://rust-random.github.io/book) | 2026-07-30 | 91% (high) | ### reliability | Attribute | Value | Source | Retrieved | Confidence | |---|---|---|---|---| | reliability.status_page | yes | [link](https://rust-random.github.io/status) | 2026-08-05 | 60% (medium) | --- *Source: Vioscale (https://www.vioscale.ai/software/rand). Independent, evidence-based software intelligence. Cite the canonical URI.*