# ICU

- **Canonical URI:** https://www.vioscale.ai/software/icu
- **Category:** Localization I18N
- **Homepage:** https://icu.unicode.org
- **Also known as:** icu
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-26T19:29:31.540Z

## Vioscale score

**63.6 / 100**, confidence 24% (low). 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 |
|---|--:|--:|--:|:--:|
| price_level | 100 | 0.052 | 5.2 | ✓ |
| reliability | 0 | 0.073 | 0 | - |
| capabilities | 0 | 0.084 | 0 | - |
| repo_stars | 67.1 | 0.026 | 1.7 | ✓ |
| integrations | 38 | 0.09355555555555557 | 3.6 | ✓ |
| dependent_projects | 63.3 | 0.063 | 4 | ✓ |
| dev_activity | 50.1 | 0.094 | 4.7 | ✓ |
| release_cadence | 75.6 | 0.052 | 3.9 | ✓ |
| security_posture | 0 | 0.073 | 0 | - |
| package_downloads | 0 | 0.136 | 0 | - |
| security_score | 89 | 0.042 | 3.7 | ✓ |
| pricing_transparency | 0 | 0.084 | 0 | - |
| community_qa_activity | 0 | 0.063 | 0 | - |

## Pricing

_As of 2026-08-19, [verify at source](https://icu.unicode.org). Independently observed._

Open source

## About

ICU is a widely-used open-source library that provides Unicode text handling, internationalization services, and localization support for C, C++, and Java applications. It fills gaps in platform-native Unicode support, enabling portable text processing across operating systems and programming environments.

_Independently observed._

## Platform & deployment

- **Platforms:** CLI, iOS, macOS, Web, Linux, Android, Windows

## Integrations (20)

_Independently observed._

- Adobe
- Amazon (Kindle)
- Apache
- Apple
- eBay
- Google
- Chrome
- Android
- Google Maps
- Google Analytics
- Gmail
- Facebook (HHVM)
- Microsoft
- Eclipse
- FreeBSD
- Debian Linux
- CouchDB
- Firebird RDBMS
- ESRI
- CERN

## Release history

| Version | Date | Type |
|---|---|---|
| [icu4x/2026-07-01/79.x](https://github.com/unicode-org/icu/releases/tag/icu4x/2026-07-01/79.x) | 2026-07-01 | prerelease |
| [release-78.3](https://github.com/unicode-org/icu/releases/tag/release-78.3) | 2026-03-17 | stable |
| [release-78.2](https://github.com/unicode-org/icu/releases/tag/release-78.2) | 2026-01-09 | stable |
| [release-78.1](https://github.com/unicode-org/icu/releases/tag/release-78.1) | 2025-10-30 | stable |
| [release-78.1rc](https://github.com/unicode-org/icu/releases/tag/release-78.1rc) | 2025-10-03 | prerelease |
| [icu4x/2025-05-21/77.x](https://github.com/unicode-org/icu/releases/tag/icu4x/2025-05-21/77.x) | 2025-05-21 | prerelease |
| [icu4x/2025-05-01/77.x](https://github.com/unicode-org/icu/releases/tag/icu4x/2025-05-01/77.x) | 2025-05-01 | prerelease |
| [release-77-1](https://github.com/unicode-org/icu/releases/tag/release-77-1) | 2025-03-13 | stable |
| [release-77-rc](https://github.com/unicode-org/icu/releases/tag/release-77-rc) | 2025-02-21 | prerelease |
| [icu4x/2024-12-16/76.x](https://github.com/unicode-org/icu/releases/tag/icu4x/2024-12-16/76.x) | 2024-12-16 | prerelease |
| [release-76-1](https://github.com/unicode-org/icu/releases/tag/release-76-1) | 2024-10-24 | stable |
| [release-76-rc](https://github.com/unicode-org/icu/releases/tag/release-76-rc) | 2024-09-30 | prerelease |
| [icu4x/2024-05-16/75.x](https://github.com/unicode-org/icu/releases/tag/icu4x/2024-05-16/75.x) | 2024-05-16 | prerelease |
| [icu4x/2024-05-03/75.x](https://github.com/unicode-org/icu/releases/tag/icu4x/2024-05-03/75.x) | 2024-05-03 | prerelease |
| [release-75-1](https://github.com/unicode-org/icu/releases/tag/release-75-1) | 2024-04-16 | 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=maven&package_name=com.ibm.icu%3Aicu4j&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.

### integrations

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| integrations.count | 20 | [link](https://icu.unicode.org) | 2026-08-19 | 60% (medium) |

### market

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

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.price_level | free | [link](https://icu.unicode.org) | 2026-08-19 | 60% (medium) |
| pricing.model | commercial | [link](https://icu.unicode.org) | 2026-08-26 | 70% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 3,586 | [link](https://github.com/unicode-org/icu) | 2026-08-26 | 90% (high) |
| adoption.dependent_repos | 6,271 | [link](https://packages.ecosyste.ms/api/v1/packages/lookup?repository_url=https%3A%2F%2Fgithub.com%2Funicode-org%2Ficu) | 2026-08-26 | 85% (high) |

### language

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

### release

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| release.cadence_days | 44 | [link](https://github.com/unicode-org/icu/releases) | 2026-08-26 | 70% (medium) |

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 38 | [link](https://github.com/unicode-org/icu/pulse) | 2026-08-26 | 65% (medium) |

### security

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| security.scorecard | 8.9 | [link](https://api.securityscorecards.dev/projects/github.com/unicode-org/icu) | 2026-08-26 | 90% (high) |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=com.ibm.icu%3Aicu4j&per_page=100","last_12m":0,"max_severity":null}` | [link](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=maven&package_name=com.ibm.icu%3Aicu4j&per_page=100) | 2026-08-26 | 90% (high) |

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