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Internationalization & Localization Libraries

Libraries for formatting, translating, and internationalizing applications to support multiple languages and regions.

The Linux Foundation

by The Linux Foundation

・

67 projects ・ Updated 14 Mar 2025

Project
Contributors
Organizations
Software value
The Symfony PHP Framework
17,050
3,395
$67M
NGX-Translate
3,111
501
$221K
FormatJS
3,016
972
$23M
D3
2,759
825
$522K
Nuxt I18n
2,487
543
$672K
WP-CLI
2,486
703
$946K
react-i18next
2,172
559
$886K
i18next
2,018
543
$692K
Yargs
1,849
760
$805K
vue-i18n
1,786
445
$1.4M
next-intl
1,644
408
$1.4M
Vue I18n
1,575
349
$2.9M
Web Experience Toolkit
1,425
96
$17M
Lingui
1,377
370
$1.4M
Humanizer
1,259
236
$2.3M
Laravel Localization
1,208
215
$86K
l10n-spain
1,166
77
$4.4M
Python Babel
951
325
$741K
Dart i18n
883
174
$3.2M
Ruby I18n
859
335
$211K
libphonenumber
634
140
$33M
i18n-node
633
211
$204K
International Components for Unicode
612
141
$301M
Calcite Design System
611
33
$8.5M
RainLab Translation Plugin
601
79
$144K
Translate Toolkit
581
186
$3.5M
i18n-tasks
574
208
$421K
Phony
535
139
$501K
ICU4X
524
154
$112M
Laravel Translatable
511
114
$65K
Django Countries
498
144
$333K
libphonenumber for PHP
491
110
$18M
i18n-iso-countries
487
119
$697K
Unicode CLDR
370
60
$277M
Po4a
315
83
$883K
python-phonenumbers
284
86
$34M
PyThaiNLP
274
46
$37M
RTLCSS
262
64
$114K
Gettext
244
104
$228K
python-humanize
215
65
$104K
Polyglot.js
198
77
$73K
gettext_i18n_rails
192
81
$42K
TZInfo
181
68
$728K
Punycode.js
178
72
$22K
Internationalized Domain Names in Applications (IDNA)
143
79
$1.1M
unicode-segmentation
129
53
$268K
FastGettext
125
49
$116K
wcwidth
110
59
$339K
encoding_rs
107
50
$18M
Unicode Normalization
102
42
$5.8M
go-runewidth
90
50
$55K
gettext-parser
88
44
$74K
messageformat
86
1
$0
y18n
74
38
$17K
format-message
71
25
$418K
chardet
55
13
$62K
IANA Language Tags for JavaScript
34
12
$22K
Universal Translator
30
14
$81K
East Asian Width
18
10
$12K
CLDR for Elixir
0
0
$0
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