Giấy phép mã nguồn mở

Ngày Đôi được xây trên các thư viện, phông chữ và hình vẽ mã nguồn mở dưới đây. Mỗi phần giữ nguyên giấy phép và thông báo bản quyền của tác giả. Toàn văn giấy phép của 200 thư viện nằm trong tệp THIRD_PARTY.txt.

Bộ máy thiết kế và hiển thị thiệp

Trình thiết kế và trang thiệp của Ngày Đôi vẽ bằng Fabric.js (giấy phép MIT), qua mã do Ngày Đôi tự viết.

fabric 7.4.0 · MITCopyright (c) 2008-2015 Printio (Juriy Zaytsev, Maxim Chernyak) · Copyright (c) 2016-present Andrea Bogazzi, Shachar Nen and Fabric.js contributors (https://github.com/fabricjs/fabric.js/graphs/contributors)
react 19.2.6 · MITCopyright (c) Meta Platforms, Inc. and affiliates.
next 16.3.4 · MITCopyright (c) 2025 Vercel, Inc.
vinext 1.0.0-beta.5 · MITCopyright (c) 2026 Cloudflare, Inc.
lucide-react 1.57.0 · ISCCopyright (c) 2026 Lucide Icons and Contributors · Copyright (c) 2013-present Cole Bemis

Phông chữ

Be Vietnam Pro · SIL Open Font License 1.1 · giấy phép
Playfair Display · SIL Open Font License 1.1 · giấy phép
Dancing Script · SIL Open Font License 1.1 · giấy phép
Lobster · SIL Open Font License 1.1 · giấy phép

Hình trang trí

Các hình song hỷ, cành ô liu, mũi tên tình yêu, bông hoa nhỏ và ảnh bìa mẫu do Ngày Đôi vẽ, phát hành theo CC0 1.0 (ghi chú). Ảnh minh hoạ trong mẫu thiệp giữ quyền của chủ sở hữu.

Thư viện khác

@babel/runtime 7.29.7 · MITCopyright (c) 2014-present Sebastian McKenzie and other contributors
@base-ui/react 1.7.0 · MITCopyright (c) 2019 Material-UI SAS
@base-ui/utils 0.3.2 · MITCopyright (c) 2019 Material-UI SAS
@cfcs/core 0.0.6 · MIT
@daybrush/utils 1.13.0 · MITCopyright (c) 2018 Daybrush
@egjs/agent 2.4.4 · MITCopyright (c) 2015 NAVER Corp. · Copyright 2015 NAVER Corp. · Copyright (c) 2010-2015 Google, Inc. http://angularjs.org
@egjs/children-differ 1.0.1 · MITCopyright (c) 2019-present NAVER Corp. · Copyright (C) 2011-2019 Google, Inc. · COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
@egjs/component 3.0.5 · MIT
@egjs/list-differ 1.0.1 · MITCopyright (c) 2019-present NAVER Corp.
@floating-ui/core 1.8.0 · MITCopyright (c) 2021-present Floating UI contributors · COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
@floating-ui/dom 1.8.0 · MITCopyright (c) 2021-present Floating UI contributors · COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
@floating-ui/react-dom 2.1.9 · MITCopyright (c) 2021-present Floating UI contributors · COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
@floating-ui/utils 0.2.12 · MITCopyright (c) 2021-present Floating UI contributors · COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
@next/env 16.3.4 · MIT
@radix-ui/number 1.1.3 · MITCopyright (c) 2022 WorkOS
@radix-ui/primitive 1.1.7 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-accessible-icon 1.1.15 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-accordion 1.2.20 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-alert-dialog 1.1.23 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-arrow 1.1.15 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-aspect-ratio 1.1.15 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-avatar 1.2.6 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-checkbox 1.3.11 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-collapsible 1.1.20 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-collection 1.1.15 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-compose-refs 1.1.2 · MIT
@radix-ui/react-compose-refs 1.1.5 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-context 1.2.2 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-context-menu 2.3.7 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-dialog 1.1.23 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-direction 1.1.4 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-dismissable-layer 1.1.19 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-dropdown-menu 2.1.24 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-focus-guards 1.1.6 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-focus-scope 1.1.16 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-form 0.1.16 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-hover-card 1.1.23 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-id 1.1.4 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-label 2.1.15 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-menu 2.1.24 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-menubar 1.1.24 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-navigation-menu 1.2.22 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-one-time-password-field 0.1.16 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-password-toggle-field 0.1.11 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-popover 1.1.23 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-popper 1.3.7 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-portal 1.1.17 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-presence 1.1.10 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-primitive 2.1.10 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-progress 1.1.16 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-radio-group 1.4.7 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-roving-focus 1.1.19 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-scroll-area 1.2.18 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-select 2.3.7 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-separator 1.1.15 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-slider 1.4.7 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-slot 1.3.3 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-switch 1.3.7 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-tabs 1.1.21 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-toast 1.2.23 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-toggle 1.1.18 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-toggle-group 1.1.19 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-toolbar 1.1.19 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-tooltip 1.2.16 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-use-callback-ref 1.1.4 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-use-controllable-state 1.2.6 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-use-effect-event 0.0.5 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-use-escape-keydown 1.1.5 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-use-is-hydrated 0.1.3 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-use-layout-effect 1.1.4 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-use-previous 1.1.4 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-use-rect 1.1.4 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-use-size 1.1.4 · MITCopyright (c) 2022 WorkOS
@radix-ui/react-visually-hidden 1.2.11 · MITCopyright (c) 2022 WorkOS
@radix-ui/rect 1.1.3 · MITCopyright (c) 2022 WorkOS
@reduxjs/toolkit 2.12.0 · MITCopyright (c) 2018 Mark Erikson
@scena/dragscroll 1.4.0 · MITCopyright (c) 2019 Daybrush
@scena/event-emitter 1.0.5 · MITCopyright (c) 2019 Daybrush
@scena/matrix 1.1.1 · MITCopyright (c) 2020 Daybrush
@shadcn/react 0.3.0 · MITCopyright (c) 2023 shadcn
@standard-schema/spec 1.1.0 · MITCopyright (c) 2024 Colin McDonnell
@standard-schema/utils 0.3.0 · MITCopyright (c) 2024 Fabian Hiller
@swc/helpers 0.5.23 · Apache-2.0copyright license to reproduce, prepare Derivative Works of, · Copyright 2024 SWC contributors.
@types/d3-array 3.2.2 · MITCopyright (c) Microsoft Corporation.
@types/d3-color 3.1.3 · MITCopyright (c) Microsoft Corporation.
@types/d3-ease 3.0.2 · MITCopyright (c) Microsoft Corporation.
@types/d3-interpolate 3.0.4 · MITCopyright (c) Microsoft Corporation.
@types/d3-path 3.1.1 · MITCopyright (c) Microsoft Corporation.
@types/d3-scale 4.0.9 · MITCopyright (c) Microsoft Corporation.
@types/d3-shape 3.1.8 · MITCopyright (c) Microsoft Corporation.
@types/d3-time 3.0.4 · MITCopyright (c) Microsoft Corporation.
@types/d3-timer 3.0.2 · MITCopyright (c) Microsoft Corporation.
@types/use-sync-external-store 0.0.6 · MITCopyright (c) Microsoft Corporation.
ansi-regex 5.0.1 · MITCopyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
ansi-styles 4.3.0 · MITCopyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
aria-hidden 1.2.6 · MITCopyright (c) 2017 Anton Korzunov
baseline-browser-mapping 2.10.30 · Apache-2.0copyright license to reproduce, prepare Derivative Works of, · Copyright [yyyy] [name of copyright owner]
camelcase 5.3.1 · MITCopyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
caniuse-lite 1.0.30001793 · CC-BY-4.0copyright and certain other rights. Our licenses are
class-variance-authority 0.7.1 · Apache-2.0copyright license to reproduce, prepare Derivative Works of, · Copyright 2022 Joe Bell
client-only 0.0.1 · MIT
cliui 6.0.0 · ISCCopyright (c) 2015, Contributors
clsx 2.1.1 · MITCopyright (c) Luke Edwards <luke.edwards05@gmail.com> (lukeed.com)
cmdk 1.1.1 · MITCopyright (c) 2022 Paco Coursey
color-convert 2.0.1 · MITCopyright (c) 2011-2016 Heather Arthur <fayearthur@gmail.com>
color-name 1.1.4 · MITCopyright (c) 2015 Dmitry Ivanov
css-styled 1.0.8 · MIT
css-to-mat 1.1.1 · MITCopyright (c) 2019 Daybrush
d3-array 3.2.4 · ISCCopyright 2010-2023 Mike Bostock
d3-color 3.1.0 · ISCCopyright 2010-2022 Mike Bostock
d3-ease 3.0.1 · BSD-3-ClauseCopyright 2010-2021 Mike Bostock · Copyright 2001 Robert Penner
d3-format 3.1.2 · ISCCopyright 2010-2026 Mike Bostock
d3-interpolate 3.0.1 · ISCCopyright 2010-2021 Mike Bostock
d3-path 3.1.0 · ISCCopyright 2015-2022 Mike Bostock
d3-scale 4.0.2 · ISCCopyright 2010-2021 Mike Bostock
d3-shape 3.2.0 · ISCCopyright 2010-2022 Mike Bostock
d3-time 3.1.0 · ISCCopyright 2010-2022 Mike Bostock
d3-time-format 4.1.0 · ISCCopyright 2010-2021 Mike Bostock
d3-timer 3.0.1 · ISCCopyright 2010-2021 Mike Bostock
date-fns 4.4.0 · MITCopyright (c) 2021 Sasha Koss and Lesha Koss https://kossnocorp.mit-license.org
decamelize 1.2.0 · MITCopyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
decimal.js-light 2.5.1 · MITCopyright (c) 2020 Michael Mclaughlin
detect-node-es 1.1.0 · MITCopyright (c) 2017 Ilya Kantor
dijkstrajs 1.0.3 · MITCopyright (C) 2008
embla-carousel 8.6.0 · MIT
embla-carousel-react 8.6.0 · MIT
embla-carousel-reactive-utils 8.6.0 · MIT
emoji-regex 8.0.0 · MIT
es-toolkit 1.50.0 · MITCopyright (c) 2024 Viva Republica, Inc.
eventemitter3 5.0.4 · MITCopyright (c) 2014 Arnout Kazemier
find-up 4.1.0 · MITCopyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
framework-utils 1.1.0 · MITCopyright (c) 2019 Daybrush
gesto 1.19.4 · MITCopyright (c) 2019 Daybrush
get-caller-file 2.0.5 · ISCCopyright 2018 Stefan Penner
get-nonce 1.0.1 · MITCopyright (c) 2020 Anton Korzunov
immer 10.2.0 · MITCopyright (c) 2017 Michel Weststrate
immer 11.1.16 · MITCopyright (c) 2017 Michel Weststrate
input-otp 1.4.2 · MIT
internmap 2.0.3 · ISCCopyright 2021 Mike Bostock
is-fullwidth-code-point 3.0.0 · MITCopyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
keycode 2.2.1 · MITCopyright (c) 2014 Tim Oxley
keycon 1.4.0 · MIT
locate-path 5.0.0 · MITCopyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
nanoid 3.3.18 · MITCopyright 2017 Andrey Sitnik <andrey@sitnik.ru> · COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
next-themes 0.4.6 · MITCopyright (c) 2022 Paco Coursey
overlap-area 1.1.0 · MITCopyright (c) 2020 Daybrush
p-limit 2.3.0 · MITCopyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
p-locate 4.1.0 · MITCopyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
p-try 2.2.0 · MITCopyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
path-exists 4.0.0 · MITCopyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
picocolors 1.1.1 · ISCCopyright (c) 2021-2024 Oleksii Raspopov, Kostiantyn Denysov, Anton Verinov
pngjs 5.0.0 · MIT
postcss 8.5.23 · MITCopyright 2013 Andrey Sitnik <andrey@sitnik.es> · COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
qrcode 1.5.4 · MITCopyright (c) 2012 Ryan Day
radix-ui 1.6.7 · MITCopyright (c) 2022 WorkOS
react-css-styled 1.1.9 · MITCopyright (c) 2019 Daybrush
react-day-picker 10.0.1 · MITCopyright (c) 2014-2026 Giampaolo Bellavite <io@gpbl.dev> and contributors
react-hook-form 7.85.0 · MITCopyright (c) 2019-present Beier(Bill) Luo
react-moveable 0.56.0 · MITCopyright (c) 2019 Daybrush
react-redux 9.3.0 · MITCopyright (c) 2015-present Dan Abramov
react-remove-scroll 2.7.2 · MITCopyright (c) 2017 Anton Korzunov
react-remove-scroll-bar 2.3.8 · MIT
react-resizable-panels 4.12.2 · MITCopyright (c) 2018 Brian Vaughn
react-selecto 1.26.3 · MITCopyright (c) 2020 Daybrush
react-style-singleton 2.2.3 · MITCopyright (c) 2017 Anton Korzunov
recharts 3.8.0 · MITCopyright (c) 2015-present recharts
redux 5.0.1 · MITCopyright (c) 2015-present Dan Abramov
redux-thunk 3.1.0 · MITCopyright (c) 2015-present Dan Abramov
require-directory 2.1.1 · MITCopyright (c) 2011 Troy Goode <troygoode@gmail.com>
require-main-filename 2.0.0 · ISCCopyright (c) 2016, Contributors
reselect 5.1.1 · MITCopyright (c) 2015-2018 Reselect Contributors
reselect 5.2.0 · MITCopyright (c) 2015-2018 Reselect Contributors
selecto 1.26.3 · MITCopyright (c) 2020 Daybrush
set-blocking 2.0.0 · ISCCopyright (c) 2016, Contributors
sonner 2.0.8 · MITCopyright (c) 2023 Emil Kowalski
source-map-js 1.2.1 · BSD-3-ClauseCopyright (c) 2009-2011, Mozilla Foundation and contributors
string-width 4.2.3 · MITCopyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
strip-ansi 6.0.1 · MITCopyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
styled-jsx 5.1.6 · MITCopyright (c) 2016-present Vercel, Inc.
tailwind-merge 3.6.0 · MITCopyright (c) 2021 Dany Castillo
tailwindcss 4.2.1 · MITCopyright (c) Tailwind Labs, Inc.
tiny-invariant 1.3.3 · MITCopyright (c) 2019 Alexander Reardon
tslib 2.8.1 · 0BSDCopyright (c) Microsoft Corporation.
use-callback-ref 1.3.3 · MITCopyright (c) 2017 Anton Korzunov
use-sidecar 1.1.3 · MITCopyright (c) 2017 Anton Korzunov
use-sync-external-store 1.6.0 · MITCopyright (c) Meta Platforms, Inc. and affiliates.
vaul 1.1.2 · MITCopyright (c) 2023 Emil Kowalski
victory-vendor 37.3.6 · MIT AND ISC
which-module 2.0.1 · ISCCopyright (c) 2016, Contributors
wrap-ansi 6.2.0 · MITCopyright (c) Sindre Sorhus <sindresorhus@gmail.com> (sindresorhus.com)
y18n 4.0.3 · ISCCopyright (c) 2015, Contributors
yargs 15.4.1 · MITCopyright 2010 James Halliday (mail@substack.net); Modified work Copyright 2014 Contributors (ben@npmjs.com)
yargs-parser 18.1.3 · ISCCopyright (c) 2016, Contributors
zod 3.25.76 · MITCopyright (c) 2025 Colin McDonnell