# i18next vs Project Fluent

| Attribute | i18next | Project Fluent |
|---|---|---|
| **Vioscale score** | 42.5 (27% (low)) | 43.8 (24% (low)) |
| activity.commits_last_30d | 5 | 0 |
| adoption.dependent_repos | 49,895 | 0 |
| adoption.github_stars | 8,622 | 1,674 |
| deployment.options | `{"cloud":true}` | - |
| description.long | A command-line interface that consolidates key extraction from source code, type safety generation, locale file management, linting, and integration with cloud translation platforms into a single tool. It supports AST-based analysis to automatically identify translatable strings and integrates with services like Locize for cloud-based translation workflows. | A localization system that enables translations to use the full range of grammatical features in their target language, including proper handling of plurals, gender, dates, times, numbers, and right-to-left text. |
| features.capabilities | - | `{"qa_checks":false,"ota_updates":false,"self_hostable":true,"rtl_bidi_support":true,"cldr_plural_rules":true,"in_context_editing":false,"translation_memory":true,"glossary_terminology":true,"managed_translation_services":false}` |
| integrations.count | 2 | - |
| integrations.list | `[{"name":"Locize"},{"name":"inlang Paraglide"}]` | - |
| language.primary | JavaScript | JavaScript |
| license.spdx | MIT | Apache-2.0 |
| platform.support | `{"cli":true}` | - |
| pricing | - | `{"type":"open_source","sourceUrl":"https://projectfluent.org","retrievedAt":"2026-08-21T13:20:47.821Z"}` |
| pricing.free_tier | yes | - |
| pricing.model | freemium | commercial |
| pricing.price_level | - | free |
| release.cadence_days | 4 | 59 |
| release.history | `[{"url":"https://github.com/i18next/i18next/releases/tag/v26.4.0","date":"2026-08-20T09:23:18Z","type":"stable","version":"v26.4.0"},{"url":"https://github.com/i18next/i18next/releases/tag/v26.3.6","date":"2026-07-09T13:41:43Z","type":"stable","version":"v26.3.6"},{"url":"https://github.com/i18next/i18next/releases/tag/v26.3.5","date":"2026-07-08T14:10:40Z","type":"stable","version":"v26.3.5"},{"url":"https://github.com/i18next/i18next/releases/tag/v26.3.4","date":"2026-06-30T06:23:42Z","type":"stable","version":"v26.3.4"},{"url":"https://github.com/i18next/i18next/releases/tag/v26.3.3","date":"2026-06-26T11:23:27Z","type":"stable","version":"v26.3.3"},{"url":"https://github.com/i18next/i18next/releases/tag/v26.3.2","date":"2026-06-24T04:54:03Z","type":"stable","version":"v26.3.2"},{"url":"https://github.com/i18next/i18next/releases/tag/v26.3.1","date":"2026-06-03T14:13:49Z","type":"stable","version":"v26.3.1"},{"url":"https://github.com/i18next/i18next/releases/tag/v26.3.0","date":"2026-05-26T12:58:38Z","type":"stable","version":"v26.3.0"},{"url":"https://github.com/i18next/i18next/releases/tag/v26.2.0","date":"2026-05-14T19:18:56Z","type":"stable","version":"v26.2.0"},{"url":"https://github.com/i18next/i18next/releases/tag/v26.1.0","date":"2026-05-11T07:36:51Z","type":"stable","version":"v26.1.0"},{"url":"https://github.com/i18next/i18next/releases/tag/v26.0.10","date":"2026-05-07T05:28:35Z","type":"stable","version":"v26.0.10"},{"url":"https://github.com/i18next/i18next/releases/tag/v26.0.9","date":"2026-05-06T10:50:05Z","type":"stable","version":"v26.0.9"},{"url":"https://github.com/i18next/i18next/releases/tag/v26.0.8","date":"2026-04-24T19:19:38Z","type":"stable","version":"v26.0.8"},{"url":"https://github.com/i18next/i18next/releases/tag/v26.0.7","date":"2026-04-23T15:15:16Z","type":"stable","version":"v26.0.7"},{"url":"https://github.com/i18next/i18next/releases/tag/v26.0.6","date":"2026-04-18T17:10:34Z","type":"stable","version":"v26.0.6"},{"url":"https://github.com/i18next/i18next/releases/tag/v26.0.5","date":"2026-04-15T11:35:09Z","type":"stable","version":"v26.0.5"},{"url":"https://github.com/i18next/i18next/releases/tag/v26.0.4","date":"2026-04-08T09:41:46Z","type":"stable","version":"v26.0.4"},{"url":"https://github.com/i18next/i18next/releases/tag/v26.0.3","date":"2026-03-31T05:24:18Z","type":"stable","version":"v26.0.3"},{"url":"https://github.com/i18next/i18next/releases/tag/v26.0.2","date":"2026-03-30T08:47:07Z","type":"stable","version":"v26.0.2"},{"url":"https://github.com/i18next/i18next/releases/tag/v26.0.1","date":"2026-03-28T09:47:39Z","type":"stable","version":"v26.0.1"}]` | `[{"url":"https://github.com/projectfluent/fluent/releases/tag/v1.0.0","date":"2019-04-17T07:18:15Z","type":"stable","version":"v1.0.0"},{"url":"https://github.com/projectfluent/fluent/releases/tag/v0.9.0","date":"2019-03-26T12:55:42Z","type":"prerelease","version":"v0.9.0"},{"url":"https://github.com/projectfluent/fluent/releases/tag/v0.8.0","date":"2018-12-13T14:50:15Z","type":"prerelease","version":"v0.8.0"},{"url":"https://github.com/projectfluent/fluent/releases/tag/v0.7.0","date":"2018-10-15T14:32:25Z","type":"prerelease","version":"v0.7.0"},{"url":"https://github.com/projectfluent/fluent/releases/tag/v0.6.0","date":"2018-07-24T15:30:56Z","type":"prerelease","version":"v0.6.0"},{"url":"https://github.com/projectfluent/fluent/releases/tag/v0.5.0","date":"2018-01-31T18:46:29Z","type":"prerelease","version":"v0.5.0"},{"url":"https://github.com/projectfluent/fluent/releases/tag/v0.4.0","date":"2017-11-14T13:06:28Z","type":"prerelease","version":"v0.4.0"},{"url":"https://github.com/projectfluent/fluent/releases/tag/v0.3.0","date":"2017-10-18T10:17:03Z","type":"prerelease","version":"v0.3.0"},{"url":"https://github.com/projectfluent/fluent/releases/tag/v0.2.0","date":"2017-10-18T10:16:33Z","type":"prerelease","version":"v0.2.0"},{"url":"https://github.com/projectfluent/fluent/releases/tag/v0.1.0","date":"2017-10-18T10:15:50Z","type":"prerelease","version":"v0.1.0"}]` |
| security.scorecard | 4 | 3.7 |
| security.vulnerabilities | `{"count":2,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=i18next&per_page=100","last_12m":0,"max_severity":"MODERATE"}` | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=go&package_name=github.com%2Fprojectfluent%2Ffluent&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Localization I18N)

| Capability | i18next | Project Fluent |
|---|:--:|:--:|
| **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 2026-09-01T16:27:43.070Z. "-" = undocumented, not absent.*