Awesome Flutter

local notifications:
https://pub.dev/packages/flutter_local_notifications

A library useful for creating fuzzy timestamps. (e.g. "5 minutes ago")
https://pub.dev/packages/timeago

rating widgets:
https://pub.dev/packages/smooth_star_rating
https://pub.dev/packages/flutter_rating
https://pub.dev/packages/rating_bar

utils libraries:
https://pub.dev/packages/quiver
https://pub.dev/packages/more
https://pub.dev/packages/basic_utils

development logger:
https://pub.dev/packages/logger
https://pub.dev/packages/fimber
https://pub.dev/packages/simple_logger

animation:
https://pub.dev/packages/animated_text_kit
https://pub.dev/packages/flutter_lottie
https://pub.dev/packages/fluttie
https://pub.dev/packages/lottie_flutter
https://pub.dev/packages/flutter_sequence_animation

misc widgets:
https://pub.dev/packages/badges
some simple widgets https://pub.dev/packages/groovin_widgets
chat message widget https://pub.dev/packages/bubble

send emails:
https://pub.dev/packages/flutter_mailer
https://pub.dev/packages/mailer

rich text editing:
https://pub.dev/packages/zefyr
https://pub.dev/packages/notus

show online/offline node status:
https://pub.dev/packages/flutter_offline

when keyboard gives unexpected layout behavior:
https://pub.dev/packages/keyboard_avoider

icons:
https://pub.dev/packages/eva_icons_flutter
https://pub.dev/packages/flutter_vector_icons
https://pub.dev/packages/open_iconic_flutter
https://pub.dev/packages/line_awesome_icons
https://pub.dev/packages/groovin_material_icons
https://pub.dev/packages/country_icons
https://pub.dev/packages/flat_icons_flutter
https://pub.dev/packages/mdi

geolocation (for bioregions) :
https://pub.dev/packages/flutter_background_geolocation
https://pub.dev/packages/google_places_picker
https://pub.dev/packages/fluster

videocalls:
https://pub.dev/packages/agora_rtc_engine
https://pub.dev/packages/algolia
https://pub.dev/packages/flutter_webrtc

redux in flutter:
https://pub.dev/packages/redux_epics
https://pub.dev/packages/redux_persist_flutter
https://pub.dev/packages/reselect
https://pub.dev/packages/flutter_hooks
https://pub.dev/packages/built_redux
https://pub.dev/packages/flutter_redux_dev_tools
https://pub.dev/packages/flutter_built_redux
https://pub.dev/packages/async_redux
https://pub.dev/packages/w_module
https://pub.dev/packages/rebloc

sign with finger:
https://pub.dev/packages/flutter_signature_pad

measure performance:
https://pub.dev/packages/timing

animation for like buttons on forum:
https://pub.dev/packages/like_button

credit card widget:
https://pub.dev/packages/flutter_credit_card

checkbox with beautiful example for todolist:
https://pub.dev/packages/circular_check_box

maybe create wrapper over our mongo node:
https://pub.dev/packages/mongo_dart

beautiful customizable toast notifications:
https://pub.dev/packages/bot_toast

beautiful login for next apps:
https://pub.dev/packages/flutter_login

for really big lists:
https://pub.dev/packages/indexed_list_view

paste from clipboard example here:
https://pub.dev/packages/pinput

Share invite link:
https://pub.dev/packages/flutter_share
https://pub.dev/packages/flutter_share_me
https://pub.dev/packages/sharesdk_plugin

show http requests logs on phone:
https://pub.dev/packages/alice

memoize:
https://pub.dev/packages/memoize

useful for complex design (custom-shaped widgets):
https://pub.dev/packages/clippy_flutter
https://pub.dev/packages/polygon_clipper

sms autofill:
https://pub.dev/packages/sms_autofill

execute code in background:
https://pub.dev/packages/workmanager
https://pub.dev/packages/flutter_isolate

print duration:
https://pub.dev/packages/duration

resizeable split view:
https://pub.dev/packages/split

math:
https://pub.dev/packages/math_expressions

manipulate images:
https://pub.dev/packages/image_editor

compress images:
https://pub.dev/packages/flutter_luban
https://pub.dev/packages/compressimage

authentification:
https://pub.dev/packages/flutter_appauth
https://pub.dev/packages/simple_auth_flutter
https://pub.dev/packages/simple_auth

create chat bot/assistant messenger:
https://pub.dev/packages/flutter_dialogflow

state + streams + animations (FuturedWidget ... ) :
https://pub.dev/packages/frideos

tinder swipe cards:
https://pub.dev/packages/flutter_tindercard

http requests:
https://pub.dev/packages/requests

multiselect widget:
https://pub.dev/packages/flutter_multiselect

async mutual exclusion:
https://pub.dev/packages/mutex

observable:
https://pub.dev/packages/observable

open documents:
https://pub.dev/packages/flutter_document_picker

tap coordinates:
https://pub.dev/packages/positioned_tap_detector

add animations to background?
https://pub.dev/packages/animated_background

show json in table:
https://pub.dev/packages/json_table

show objects in table:
https://pub.dev/packages/data_tables

decouple style from structure:
https://pub.dev/packages/division

beautiful bottom navigation:
https://pub.dev/packages/circular_bottom_navigation

flutter inside of existing native applications:
https://pub.dev/packages/flutter_boost

beauitful alerts:
https://pub.dev/packages/rich_alert
https://pub.dev/packages/giffy_dialog
https://pub.dev/packages/easy_dialog
https://pub.dev/packages/flutter_custom_dialog
https://pub.dev/packages/flutter_alert
https://pub.dev/packages/awesome_dialog
https://pub.dev/packages/sweetalert

hero picture that disappears when scrolling:
https://pub.dev/packages/sliver_fab

app tutorial:
https://pub.dev/packages/highlighter_coachmark
https://pub.dev/packages/showcaseview
https://pub.dev/packages/super_tooltip
https://pub.dev/packages/feature_discovery

chat widgets:
https://pub.dev/packages/dash_chat

reactive sqlite:
https://pub.dev/packages/moor

notification icon:
https://pub.dev/packages/speech_bubble

text field for chat app:
https://pub.dev/packages/extended_text_field

shared preferences wrapper:
https://pub.dev/packages/key_value_store_flutter

dynamic themes (ios black mode?)
https://pub.dev/packages/persist_theme

data visualization (Graphs for transactions stats and rating)
https://pub.dev/packages/syncfusion_flutter_gauges

calendar for coaching scheduling:
https://pub.dev/packages/flutter_rounded_date_picker
https://pub.dev/packages/flutter_clean_calendar
https://pub.dev/packages/calendarro

background uploader:
https://pub.dev/packages/flutter_uploader

multi-language support:
https://pub.dev/packages/flutter_translate

listview pagination:
https://pub.dev/packages/paging

navigation with routes:
https://pub.dev/packages/sailor

complex design when columns/rows not suitable:
https://pub.dev/packages/align_positioned

building games design:
https://pub.dev/packages/flare_dart
https://pub.dev/packages/smart_flare
https://pub.dev/packages/flare_loading

time manipulations:
https://pub.dev/packages/time_machine
https://pub.dev/packages/date_util
https://pub.dev/packages/clock
https://pub.dev/packages/simple_moment
https://pub.dev/packages/time_formatter

animations and games:
https://pub.dev/packages/spritewidget

simple native buttons:
https://pub.dev/packages/nice_button

slider to choose vote amount:
https://pub.dev/packages/flutter_fluid_slider

circular slider:
https://pub.dev/packages/flutter_circular_slider

embed youtube videos:
https://pub.dev/packages/flutube

torch:
https://pub.dev/packages/lamp

animation for onboarding:
https://github.com/Cuberto/liquid-swipe

scheduled tasks:
https://pub.dev/packages/cron

animated input slider:
https://pub.dev/packages/sleek_circular_slider
https://pub.dev/packages/flutter_fluid_slider

input for voice:
https://pub.dev/packages/spinner_input

in-app payments:
https://pub.dev/packages/square_in_app_payments

snackbar:
https://pub.dev/packages/flash
https://pub.dev/packages/edge_alert

reactive widgets:
https://pub.dev/packages/states_rebuilder

nfc read and write:
https://pub.dev/packages/nfc_in_flutter
https://pub.dev/packages/flutter_nfc_reader

asset datatype:
https://pub.dev/packages/money

alternative to stream listeners:
https://pub.dev/packages/event_taxi

page to show features after update:
https://pub.dev/packages/flutter_whatsnew

progress bar:
https://pub.dev/packages/flutter_animation_progress_bar
https://pub.dev/packages/progress_button
https://pub.dev/packages/flutter_rounded_progress_bar

set width/heights in percents:
https://pub.dev/packages/responsive_container
https://pub.dev/packages/flutter_responsive_screen

subscription monetization:
https://pub.dev/packages/purchases_flutter

responsive grid of 12:
https://pub.dev/packages/responsive_grid

http with retries option:
https://pub.dev/packages/http_client_helper

emoji:
https://pub.dev/packages/flutter_emoji

supernova:
https://pub.dev/packages/supernova_flutter_ui_toolkit

async button:
https://github.com/jiangyang5157/flutter_progress_button

augmented reality:
https://github.com/olexale/arkit_flutter_plugin

lazy loading listview:
https://pub.dev/packages/incrementally_loading_listview

drag and drop listview:
https://pub.dev/packages/flutter_list_drag_and_drop

expandable widget:
https://pub.dev/packages/expand_widget

hex colors:
https://pub.dev/packages/pigment
https://pub.dev/packages/flutter_hsvcolor_picker

animated navigation:
https://pub.dev/packages/morpheus

formatted text field:
https://pub.dev/packages/pattern_formatter
https://pub.dev/packages/string_mask

top-level z-index:
https://pub.dev/packages/overlay_container 

http requests:
https://pub.dev/packages/dio
https://pub.dev/packages/pretty_dio_logger

ibeacons:
https://pub.dev/packages/flutter_beacon

swipeable horizontal listview:
https://pub.dev/packages/snaplist

timer for coaching:
https://pub.dev/packages/timer_builder

manipulate files:
https://pub.dev/packages/file_utils

animated timer to show time until harvest:
https://pub.dev/packages/flip_panel
https://pub.dev/packages/slide_countdown_clock

encryption:
https://pub.dev/packages/jose

secure storage:
https://pub.dev/packages/flutter_keychain

animated svg:
https://pub.dev/packages/drawing_animation

animated switch button:
https://pub.dev/packages/xlive_switch

onboarding:
https://pub.dev/packages/fancy_on_boarding

parallax:
https://pub.dev/packages/flutter_parallax

crypto:
https://pub.dev/packages/pointycastle
https://pub.dev/packages/bip39
https://pub.dev/packages/cryptoutils
https://pub.dev/packages/tripledes
https://pub.dev/packages/pascaldart

camera:
https://pub.dev/packages/flutter_mobile_vision
https://pub.dev/packages/camera_camera

debugger:
https://pub.dev/packages/flutter_flipperkit

clickable link:
https://pub.dev/packages/link

environment variables:
https://pub.dev/packages/dotenv

scratcher animation:
https://pub.dev/packages/scratcher

latex rich text:
https://pub.dev/packages/flutter_tex

show difference between two pictures:
https://pub.dev/packages/before_after

generate short links for invites:
https://pub.dev/packages/hashids2

facebook like button:
https://pub.dev/packages/flutter_reaction_button

adaptive text size:
https://pub.dev/packages/auto_size_text

charts library:
https://github.com/google/charts/tree/master/charts_flutter/lib

material cards grid - instagram like:
https://pub.dev/packages/flutter_staggered_grid_view

snackbars and alerts tool:
https://pub.dev/packages/flushbar

swipe button:
https://pub.dev/packages/swipe_button

screenshots:
https://pub.dev/packages/screenshots

check node status:
https://github.com/bardiarastin/connection_status_bar/blob/master/lib/connection_status_bar.dart

search bar:
https://pub.dev/packages/flappy_search_bar

achievements:
https://pub.dev/packages/achievement_view