# Oniguruma

- **Canonical URI:** https://www.vioscale.ai/software/oniguruma
- **Category:** Regex Tools
- **Homepage:** https://github.com/kkos/oniguruma
- **Also known as:** oniguruma
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-26T19:31:07.316Z

## Vioscale score

**57.6 / 100**, confidence 19% (low). Computed 2026-09-01.

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| price_level | 100 | 0.052 | 5.2 | ✓ |
| reliability | 0 | 0.073 | 0 | - |
| capabilities | 0 | 0.084 | 0 | - |
| repo_stars | 64.2 | 0.026 | 1.7 | ✓ |
| integrations | 0 | 0.09355555555555557 | 0 | - |
| dependent_projects | 0 | 0.063 | 0 | - |
| dev_activity | 0 | 0.094 | 0 | ✓ |
| release_cadence | 95 | 0.052 | 4.9 | ✓ |
| security_posture | 0 | 0.073 | 0 | - |
| package_downloads | 0 | 0.136 | 0 | - |
| security_score | 39 | 0.042 | 1.6 | ✓ |
| pricing_transparency | 80 | 0.084 | 6.7 | ✓ |
| community_qa_activity | 0 | 0.063 | 0 | - |

## Pricing

_As of 2026-08-19, [verify at source](https://github.com/pricing). Independently observed._

Open source · Free tier

## About

Open-source regular expression library offering POSIX, GNU regex, and extended APIs with support for various character encodings. Available as a library for inclusion in programs on Linux, Unix, Cygwin, and Windows platforms.

_Independently observed._

## Platform & deployment

- **Platforms:** Linux, Windows
- **Deployment:** Self-hosted

## Release history

| Version | Date | Type |
|---|---|---|
| [v6.9.10](https://github.com/kkos/oniguruma/releases/tag/v6.9.10) | 2025-01-01 | stable |
| [v6.9.9](https://github.com/kkos/oniguruma/releases/tag/v6.9.9) | 2023-10-14 | stable |
| [v6.9.8](https://github.com/kkos/oniguruma/releases/tag/v6.9.8) | 2022-04-29 | stable |
| [v6.9.7.1](https://github.com/kkos/oniguruma/releases/tag/v6.9.7.1) | 2021-04-15 | stable |
| [v6.9.7](https://github.com/kkos/oniguruma/releases/tag/v6.9.7) | 2021-04-14 | stable |
| [v6.9.7_rc1](https://github.com/kkos/oniguruma/releases/tag/v6.9.7_rc1) | 2021-03-31 | prerelease |
| [v6.9.6](https://github.com/kkos/oniguruma/releases/tag/v6.9.6) | 2020-11-05 | stable |
| [v6.9.6_rc4](https://github.com/kkos/oniguruma/releases/tag/v6.9.6_rc4) | 2020-10-21 | prerelease |
| [v6.9.6_rc3](https://github.com/kkos/oniguruma/releases/tag/v6.9.6_rc3) | 2020-10-16 | prerelease |
| [v6.9.6_rc2](https://github.com/kkos/oniguruma/releases/tag/v6.9.6_rc2) | 2020-10-09 | prerelease |
| [v6.9.6_rc1](https://github.com/kkos/oniguruma/releases/tag/v6.9.6_rc1) | 2020-10-07 | prerelease |
| [v6.9.5_rev1](https://github.com/kkos/oniguruma/releases/tag/v6.9.5_rev1) | 2020-04-26 | stable |
| [v6.9.5](https://github.com/kkos/oniguruma/releases/tag/v6.9.5) | 2020-04-20 | stable |
| [v6.9.5_rc2](https://github.com/kkos/oniguruma/releases/tag/v6.9.5_rc2) | 2020-04-12 | prerelease |
| [v6.9.5_rc1](https://github.com/kkos/oniguruma/releases/tag/v6.9.5_rc1) | 2020-04-04 | prerelease |

_… and 5 earlier release(s)._

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### market

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | [link](https://github.com/pricing) | 2026-08-19 | 75% (high) |

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.free_tier | yes | [link](https://github.com/pricing) | 2026-08-19 | 60% (medium) |
| pricing.price_level | free | [link](https://github.com/pricing) | 2026-08-19 | 60% (medium) |
| pricing.transparent | yes | [link](https://github.com/pricing) | 2026-08-19 | 60% (medium) |
| pricing.model | commercial | [link](https://github.com/kkos/oniguruma) | 2026-08-26 | 60% (medium) |

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 0 | [link](https://github.com/kkos/oniguruma/pulse) | 2026-08-24 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 2,523 | [link](https://github.com/kkos/oniguruma) | 2026-08-26 | 90% (high) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | C | [link](https://github.com/kkos/oniguruma) | 2026-08-26 | 90% (high) |

### release

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| release.cadence_days | 9 | [link](https://github.com/kkos/oniguruma/releases) | 2026-08-26 | 70% (medium) |

### security

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| security.scorecard | 3.9 | [link](https://api.securityscorecards.dev/projects/github.com/kkos/oniguruma) | 2026-08-26 | 90% (high) |

---
*Source: Vioscale (https://www.vioscale.ai/software/oniguruma). Independent, evidence-based software intelligence. Cite the canonical URI.*