# ICU vs Pontoon

| Attribute | ICU | Pontoon |
|---|---|---|
| **Vioscale score** | 63.6 (24% (low)) | 46.6 (28% (low)) |
| activity.commits_last_30d | 38 | 50 |
| adoption.dependent_repos | 6,271 | 0 |
| adoption.github_stars | 3,586 | 1,662 |
| deployment.options | - | `{"cloud":true,"self_hosted":true}` |
| description.long | 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. | Pontoon is Mozilla's translation management system that enables communities worldwide to translate Mozilla software and websites. It integrates directly with version control systems, supporting multiple localization file formats and providing tools for large-scale translation management. |
| integrations.count | 20 | 5 |
| integrations.list | `[{"name":"Adobe"},{"name":"Amazon (Kindle)"},{"name":"Apache"},{"name":"Apple"},{"name":"eBay"},{"name":"Google"},{"name":"Chrome"},{"name":"Android"},{"name":"Google Maps"},{"name":"Google Analytics"},{"name":"Gmail"},{"name":"Facebook (HHVM)"},{"name":"Microsoft"},{"name":"Eclipse"},{"name":"FreeBSD"},{"name":"Debian Linux"},{"name":"CouchDB"},{"name":"Firebird RDBMS"},{"name":"ESRI"},{"name":"CERN"}]` | `[{"name":"Git"},{"name":"Mercurial"},{"name":"Google Translate"},{"name":"Microsoft Translator"},{"name":"Microsoft Terminology Service"}]` |
| language.primary | C++ | Python |
| license.spdx | - | BSD-3-Clause |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"ios":true,"mac":true,"web":true,"linux":true,"android":true,"windows":true}` | `{"web":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://icu.unicode.org","retrievedAt":"2026-08-19T14:45:32.725Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://pontoon.mozilla.org","retrievedAt":"2026-08-20T12:47:58.482Z"}` |
| pricing.free_tier | - | yes |
| pricing.model | commercial | open_source |
| pricing.price_level | free | free |
| pricing.transparent | - | yes |
| release.cadence_days | 44 | 17 |
| release.history | `[{"url":"https://github.com/unicode-org/icu/releases/tag/icu4x/2026-07-01/79.x","date":"2026-07-01T09:30:18Z","type":"prerelease","version":"icu4x/2026-07-01/79.x"},{"url":"https://github.com/unicode-org/icu/releases/tag/release-78.3","date":"2026-03-17T20:23:47Z","type":"stable","version":"release-78.3"},{"url":"https://github.com/unicode-org/icu/releases/tag/release-78.2","date":"2026-01-09T00:38:52Z","type":"stable","version":"release-78.2"},{"url":"https://github.com/unicode-org/icu/releases/tag/release-78.1","date":"2025-10-30T17:21:37Z","type":"stable","version":"release-78.1"},{"url":"https://github.com/unicode-org/icu/releases/tag/release-78.1rc","date":"2025-10-03T19:33:43Z","type":"prerelease","version":"release-78.1rc"},{"url":"https://github.com/unicode-org/icu/releases/tag/icu4x/2025-05-21/77.x","date":"2025-05-21T08:57:05Z","type":"prerelease","version":"icu4x/2025-05-21/77.x"},{"url":"https://github.com/unicode-org/icu/releases/tag/icu4x/2025-05-01/77.x","date":"2025-05-01T18:43:02Z","type":"prerelease","version":"icu4x/2025-05-01/77.x"},{"url":"https://github.com/unicode-org/icu/releases/tag/release-77-1","date":"2025-03-13T18:00:27Z","type":"stable","version":"release-77-1"},{"url":"https://github.com/unicode-org/icu/releases/tag/release-77-rc","date":"2025-02-21T21:42:35Z","type":"prerelease","version":"release-77-rc"},{"url":"https://github.com/unicode-org/icu/releases/tag/icu4x/2024-12-16/76.x","date":"2024-12-16T20:27:12Z","type":"prerelease","version":"icu4x/2024-12-16/76.x"},{"url":"https://github.com/unicode-org/icu/releases/tag/release-76-1","date":"2024-10-24T17:22:31Z","type":"stable","version":"release-76-1"},{"url":"https://github.com/unicode-org/icu/releases/tag/release-76-rc","date":"2024-09-30T21:35:03Z","type":"prerelease","version":"release-76-rc"},{"url":"https://github.com/unicode-org/icu/releases/tag/icu4x/2024-05-16/75.x","date":"2024-05-16T23:41:40Z","type":"prerelease","version":"icu4x/2024-05-16/75.x"},{"url":"https://github.com/unicode-org/icu/releases/tag/icu4x/2024-05-03/75.x","date":"2024-05-03T21:18:50Z","type":"prerelease","version":"icu4x/2024-05-03/75.x"},{"url":"https://github.com/unicode-org/icu/releases/tag/release-75-1","date":"2024-04-16T00:57:15Z","type":"stable","version":"release-75-1"},{"url":"https://github.com/unicode-org/icu/releases/tag/release-75-rc","date":"2024-03-29T00:25:41Z","type":"prerelease","version":"release-75-rc"},{"url":"https://github.com/unicode-org/icu/releases/tag/release-74-2","date":"2023-12-11T19:06:58Z","type":"stable","version":"release-74-2"},{"url":"https://github.com/unicode-org/icu/releases/tag/release-74-1","date":"2023-10-27T23:28:23Z","type":"stable","version":"release-74-1"},{"url":"https://github.com/unicode-org/icu/releases/tag/release-74-rc","date":"2023-10-05T21:31:47Z","type":"prerelease","version":"release-74-rc"},{"url":"https://github.com/unicode-org/icu/releases/tag/cldr/2023-09-27","date":"2023-09-27T18:31:26Z","type":"prerelease","version":"cldr/2023-09-27"}]` | `[{"url":"https://github.com/mozilla/pontoon/releases/tag/v2026.08.25","date":"2026-08-25T23:09:34Z","type":"stable","version":"v2026.08.25"},{"url":"https://github.com/mozilla/pontoon/releases/tag/v2026.08.19","date":"2026-08-19T08:54:25Z","type":"stable","version":"v2026.08.19"},{"url":"https://github.com/mozilla/pontoon/releases/tag/2018-12-19","date":"2018-12-19T14:37:35Z","type":"stable","version":"2018-12-19"},{"url":"https://github.com/mozilla/pontoon/releases/tag/2015-08-01","date":"2015-08-21T16:06:59Z","type":"stable","version":"2015-08-01"},{"url":"https://github.com/mozilla/pontoon/releases/tag/2015-07-02","date":"2015-07-02T21:51:34Z","type":"stable","version":"2015-07-02"},{"url":"https://github.com/mozilla/pontoon/releases/tag/2015-05-12","date":"2015-05-11T22:15:23Z","type":"stable","version":"2015-05-12"},{"url":"https://github.com/mozilla/pontoon/releases/tag/2015-05-05","date":"2015-05-05T06:35:32Z","type":"stable","version":"2015-05-05"},{"url":"https://github.com/mozilla/pontoon/releases/tag/2015-04-16","date":"2015-05-05T11:23:45Z","type":"stable","version":"2015-04-16"},{"url":"https://github.com/mozilla/pontoon/releases/tag/2015-02-23","date":"2015-03-10T15:05:54Z","type":"stable","version":"2015-02-23"},{"url":"https://github.com/mozilla/pontoon/releases/tag/2014-12-31","date":"2014-12-31T09:35:55Z","type":"stable","version":"2014-12-31"},{"url":"https://github.com/mozilla/pontoon/releases/tag/2014-12-19","date":"2014-12-20T09:45:12Z","type":"stable","version":"2014-12-19"},{"url":"https://github.com/mozilla/pontoon/releases/tag/2014-12-12","date":"2015-01-07T18:54:12Z","type":"stable","version":"2014-12-12"},{"url":"https://github.com/mozilla/pontoon/releases/tag/2014-12-03","date":"2014-12-04T07:35:17Z","type":"stable","version":"2014-12-03"},{"url":"https://github.com/mozilla/pontoon/releases/tag/2014-11-24","date":"2014-11-24T14:01:05Z","type":"stable","version":"2014-11-24"},{"url":"https://github.com/mozilla/pontoon/releases/tag/2014-11-13","date":"2014-12-02T05:30:02Z","type":"stable","version":"2014-11-13"},{"url":"https://github.com/mozilla/pontoon/releases/tag/2014-10-27","date":"2014-10-27T14:15:07Z","type":"stable","version":"2014-10-27"},{"url":"https://github.com/mozilla/pontoon/releases/tag/2014-10-02","date":"2014-10-10T10:13:44Z","type":"stable","version":"2014-10-02"},{"url":"https://github.com/mozilla/pontoon/releases/tag/2014-09-23","date":"2014-09-23T08:40:13Z","type":"stable","version":"2014-09-23"},{"url":"https://github.com/mozilla/pontoon/releases/tag/2014-08-05","date":"2014-08-05T18:14:52Z","type":"stable","version":"2014-08-05"},{"url":"https://github.com/mozilla/pontoon/releases/tag/2014-07-02","date":"2014-07-15T19:29:04Z","type":"stable","version":"2014-07-02"}]` |
| security.scorecard | 8.9 | 7.8 |
| 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}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=helm&package_name=skills-network%2Fpontoon&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Localization I18N)

| Capability | ICU | Pontoon |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Cldr plural rules | - | - |
| Rtl bidi support | - | - |
| Translation memory | - | - |
| Glossary terminology | - | - |
| In context editing | - | - |
| Ota updates | - | - |
| Self hostable | - | - |
| Managed translation services | - | - |
| Qa checks | - | - |

*Source: Vioscale. Generated 2026-09-01T15:17:34.135Z. "-" = undocumented, not absent.*