# Project Fluent vs Tolgee

**Leader by vioscaleAI score:** Tolgee

| Attribute | Project Fluent | Tolgee |
|---|---|---|
| **vioscaleAI score** | 37.6 (52% (medium)) | 54.2 (76% (high)) |
| activity.commits_last_30d | 0 | - |
| adoption.dependent_repos | 0 | - |
| adoption.github_stars | 1,680 | - |
| content.faq | `[{"answer":"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. It is indexed under Localization I18N.","source":"https://projectfluent.org","question":"What is Project Fluent?","confidence":0.6},{"answer":"Project Fluent is open source, so it can be self-hosted and used at no licence cost. It is released under the Apache-2.0 licence. Pricing changes often, so verify at source before relying on it.","source":"https://projectfluent.org","question":"Is Project Fluent free to use?","confidence":0.6},{"answer":"Yes. Project Fluent is published under the Apache-2.0 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/projectfluent/fluent","question":"Is Project Fluent open source?","confidence":0.95}]` | `[{"answer":"A platform for managing application translations through automated AI suggestions and collaborative review, enabling teams to localize apps with reduced developer involvement. It is indexed under Localization I18N.","source":"https://tolgee.io/pricing/self-hosted","question":"What is Tolgee?","confidence":0.6},{"answer":"Tolgee offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://tolgee.io/pricing/self-hosted","question":"Is Tolgee free?","confidence":0.6},{"answer":"Tolgee supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://tolgee.io/pricing/self-hosted","question":"What platforms does Tolgee support?","confidence":0.6},{"answer":"Yes. Tolgee can be deployed cloud / SaaS, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://tolgee.io/pricing/self-hosted","question":"Can Tolgee be self-hosted?","confidence":0.6},{"answer":"We have confirmed 19 integrations for Tolgee, including React, Angular, Vue, Svelte, Next.js, i18next, Vanilla JS and Slack, plus 11 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://tolgee.io/pricing/self-hosted","question":"What does Tolgee integrate with?","confidence":0.6},{"answer":"We have independently confirmed ISO 27001 and GDPR for Tolgee. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Tolgee not holding them. Always confirm compliance directly before you rely on it.","source":"https://tolgee.io","question":"What security certifications does Tolgee have?","confidence":0.48},{"answer":"Tolgee is available worldwide. The vendor is headquartered in the Czechia.","source":"https://tolgee.io/pricing/self-hosted","question":"Where is Tolgee available?","confidence":0.75}]` |
| deployment.options | - | `{"cloud":true,"on_prem":true,"self_hosted":true}` |
| description.long | 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. | Tolgee is an open-source localization platform that streamlines app translation with AI-powered suggestions, in-context editing, and support for multiple frameworks. It combines machine translation capabilities with collaborative translation management and supports both cloud and self-hosted deployment. |
| 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}` | `{"ota_updates":true,"self_hostable":true,"in_context_editing":true,"translation_memory":true,"glossary_terminology":true}` |
| integrations.count | - | 13 |
| integrations.list | - | `[{"name":"React"},{"name":"Angular"},{"name":"Vue"},{"name":"Svelte"},{"name":"Next.js"},{"name":"i18next"},{"name":"Vanilla JS"},{"name":"Slack"},{"name":"REST API"},{"name":"Docker"},{"name":"Android"},{"name":"iOS"},{"name":"Flutter"},{"name":"C++"},{"name":"PHP"},{"name":".NET"},{"name":"Compose Multiplatform"},{"name":"JSON"},{"name":"XLIFF"},{"name":".po"},{"name":"Chrome Plugin"},{"name":"Figma","native":true,"category":"design","direction":"outbound"},{"name":"Unreal Engine","native":true,"category":"game-dev","direction":"bidirectional"},{"name":"Chrome","native":true,"category":"browser","direction":"inbound"},{"name":"Firefox","native":true,"category":"browser","direction":"inbound"}]` |
| language.primary | JavaScript | - |
| license.spdx | Apache-2.0 | - |
| market.availability | - | `{"hqCountry":"CZ","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | - | `{"cli":true,"ios":true,"web":true,"android":true}` |
| pricing | `{"type":"open_source","sourceUrl":"https://projectfluent.org","retrievedAt":"2026-08-21T13:20:47.821Z"}` | `{"type":"hybrid","plans":[{"free":true,"name":"Free","summary":"Free, 30,000 words, 3 seats","features":["Standard localization features","All Tolgee integrations","30,000 hosted words"],"minSeats":3,"components":[{"kind":"fixed","amount":0,"period":"month","currency":"EUR"}],"description":"Get started with all standard localization features, all integrations, and no credit card required","contactSales":false,"includedLimits":{"seats":"3","hosted_words":"30000"}},{"free":false,"name":"Translate","summary":"€58/mo billed annually, unlimited seats","commitment":"annual","components":[{"kind":"fixed","amount":58,"period":"month","currency":"EUR"}],"contactSales":false},{"free":false,"name":"Optimise","summary":"€133/mo, unlimited seats","features":["Standard localization features","AI translator with brand context","Glossaries","AI playground","Multiple content delivery configurations"],"components":[{"kind":"fixed","amount":133,"period":"month","currency":"EUR"}],"description":"For mid-size teams providing advanced features for growth","contactSales":false},{"free":false,"name":"Manage","summary":"€373/mo, unlimited seats","components":[{"kind":"fixed","amount":373,"period":"month","currency":"EUR"}],"contactSales":false},{"free":false,"name":"Enterprise","summary":"Custom pricing, unlimited seats","features":["Premium support","Single Sign On","Dedicated Slack channel","Account manager","Team training","Prioritized feature requests","ISO 27001","GDPR compliance"],"description":"Premium plan for enterprise organizations and very large teams","contactSales":true}],"summary":"Free tier with 30,000 words. Paid plans start at €58/mo billed annually. Unlimited seats on all paid plans.","currency":"EUR","freeTier":true,"sourceUrl":"https://tolgee.io/pricing","retrievedAt":"2026-10-13T10:30:10.513Z","startingPrice":{"amount":58,"period":"month","currency":"EUR"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | - | yes |
| pricing.model | commercial | freemium |
| pricing.price_level | free | mid |
| pricing.starting_price | - | `{"amount":58,"currency":"EUR"}` |
| pricing.transparent | - | yes |
| release.cadence_days | 59 | - |
| release.history | `[{"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.gdpr | - | yes |
| security.iso27001 | - | yes |
| security.scorecard | 3.7 | - |
| security.vulnerabilities | `{"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 | Project Fluent | Tolgee |
|---|:--:|:--:|
| **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 2026-10-16T20:42:13.820Z. "-" = undocumented, not absent.*