# ICU vs Pontoon

**Leader by vioscaleAI score:** ICU

| Attribute | ICU | Pontoon |
|---|---|---|
| **vioscaleAI score** | 57.8 (53% (medium)) | 49.6 (45% (low)) |
| activity.commits_last_30d | 63 | 39 |
| adoption.dependent_repos | 6,271 | 0 |
| adoption.github_stars | 3,616 | 1,673 |
| content.faq | `[{"answer":"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. It is indexed under Localization I18N.","source":"https://icu.unicode.org","question":"What is ICU?","confidence":0.6},{"answer":"ICU is open source, so it can be self-hosted and used at no licence cost. Pricing changes often, so verify at source before relying on it.","source":"https://icu.unicode.org","question":"Is ICU free to use?","confidence":0.6},{"answer":"ICU supports the web, Windows, macOS, Linux, iOS, Android and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://icu.unicode.org","question":"What platforms does ICU support?","confidence":0.6},{"answer":"We have confirmed 18 integrations for ICU, including Adobe, Amazon (Kindle), Apache, Apple, eBay, Google, Chrome and Android, plus 10 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://icu.unicode.org","question":"What does ICU integrate with?","confidence":0.6}]` | `[{"answer":"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. It is indexed under Localization I18N.","source":"https://pontoon.mozilla.org","question":"What is Pontoon?","confidence":0.6},{"answer":"Pontoon is open source, so it can be self-hosted and used at no licence cost. It is released under the BSD-3-Clause licence. Pricing changes often, so verify at source before relying on it.","source":"https://pontoon.mozilla.org","question":"Is Pontoon free to use?","confidence":0.6},{"answer":"We have confirmed browser-based access to Pontoon. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://pontoon.mozilla.org","question":"What platforms does Pontoon support?","confidence":0.6},{"answer":"Yes. Pontoon can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://pontoon.mozilla.org","question":"Can Pontoon be self-hosted?","confidence":0.6},{"answer":"We have confirmed 5 integrations for Pontoon, including Git, Mercurial, Google Translate, Microsoft Translator and Microsoft Terminology Service. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://pontoon.mozilla.org","question":"What does Pontoon integrate with?","confidence":0.6},{"answer":"Yes. Pontoon is published under the BSD-3-Clause licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/mozilla/pontoon","question":"Is Pontoon open source?","confidence":0.95}]` |
| 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. | A platform for managing translations in open source software, powered by community contributions and integrated with version control systems to organize and store translation work. |
| features.capabilities | `{"cldr_plural_rules":true}` | - |
| 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 | 49 | 1 |
| release.history | `[{"url":"https://github.com/unicode-org/icu/releases/tag/release-79.1rc","date":"2026-09-25T22:25:32Z","type":"prerelease","version":"release-79.1rc"},{"url":"https://github.com/unicode-org/icu/releases/tag/icu4x/2026-08-31/79.x","date":"2026-08-31T14:50:55Z","type":"prerelease","version":"icu4x/2026-08-31/79.x"},{"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/mozilla/pontoon/releases/tag/v2026.10.08","date":"2026-10-08T23:15:57Z","type":"stable","version":"v2026.10.08"},{"url":"https://github.com/mozilla/pontoon/releases/tag/v2026.09.23","date":"2026-09-23T23:12:46Z","type":"stable","version":"v2026.09.23"},{"url":"https://github.com/mozilla/pontoon/releases/tag/v2026.09.22","date":"2026-09-22T23:13:56Z","type":"stable","version":"v2026.09.22"},{"url":"https://github.com/mozilla/pontoon/releases/tag/v2026.09.21","date":"2026-09-21T23:14:21Z","type":"stable","version":"v2026.09.21"},{"url":"https://github.com/mozilla/pontoon/releases/tag/v2026.09.17","date":"2026-09-17T23:13:16Z","type":"stable","version":"v2026.09.17"},{"url":"https://github.com/mozilla/pontoon/releases/tag/v2026.09.16","date":"2026-09-16T23:14:10Z","type":"stable","version":"v2026.09.16"},{"url":"https://github.com/mozilla/pontoon/releases/tag/v2026.09.15","date":"2026-09-15T23:14:20Z","type":"stable","version":"v2026.09.15"},{"url":"https://github.com/mozilla/pontoon/releases/tag/v2026.09.14","date":"2026-09-14T23:13:54Z","type":"stable","version":"v2026.09.14"},{"url":"https://github.com/mozilla/pontoon/releases/tag/v2026.09.10","date":"2026-09-10T23:12:48Z","type":"stable","version":"v2026.09.10"},{"url":"https://github.com/mozilla/pontoon/releases/tag/v2026.09.09","date":"2026-09-09T23:14:07Z","type":"stable","version":"v2026.09.09"},{"url":"https://github.com/mozilla/pontoon/releases/tag/v2026.09.08","date":"2026-09-08T23:14:26Z","type":"stable","version":"v2026.09.08"},{"url":"https://github.com/mozilla/pontoon/releases/tag/v2026.09.03","date":"2026-09-03T23:13:40Z","type":"stable","version":"v2026.09.03"},{"url":"https://github.com/mozilla/pontoon/releases/tag/v2026.09.02","date":"2026-09-02T23:13:52Z","type":"stable","version":"v2026.09.02"},{"url":"https://github.com/mozilla/pontoon/releases/tag/v2026.08.31","date":"2026-08-31T23:14:11Z","type":"stable","version":"v2026.08.31"},{"url":"https://github.com/mozilla/pontoon/releases/tag/v2026.08.28","date":"2026-08-28T01:45:10Z","type":"stable","version":"v2026.08.28"},{"url":"https://github.com/mozilla/pontoon/releases/tag/v2026.08.27","date":"2026-08-27T00:11:59Z","type":"stable","version":"v2026.08.27"},{"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"}]` |
| security.scorecard | 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=go&package_name=github.com%2Fmozilla%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: vioscaleAI. Generated 2026-10-16T19:03:52.576Z. "-" = undocumented, not absent.*