Notetaking

Sound Note - take notes while you record audio

Evernote - notetaking that syncs across platforms

Paper 53 - minimal notetaking that syncs

Microsoft OneNote - collaboration and syncing, best for Office users

Google Keep - jot things down, best for Google suite users

Notability - take notes and annotate PDFs

Mindly - create mind maps

Day One - a digital journal

Flash Cards

Quizlet - the quintessential flash card app

StudyBlue - another commonly used app

Cram - best for its “cram mode”

Eidetic - uses spaced repetition for effective memorization

Planner 

My Study Life - schedules, tasks, reminders, and more

StudyCal - keeps track of tasks, exams, and grades

24me - automated reminders and event planning

iStudiez - schedule and prioritized task list

Google Calendar - a calendar, best for Google users

Glass Planner - a calendar and to do list with incredible functionality

To Do List

Clear - organized to-do and reminders

MinimaList - simple to-do and focus timer

Trello - collaborative project organizer

Todoist - clean and functional task manager

Default notes app on your phone

Time Management

Forest - plant trees by staying focused

Pomotodo - pomodoro timer with to-do list

Timeglass - custom timers

Tide - pomodoro with white noise

Alarmy - forces you out of bed 

Pillow - smart alarm that tracks sleep cycles

Productivity

Workflow - automate tasks

Habitica - turn your habits into an RPG

Continuo - simple, colorful activity tracking

Freedom - block distracting apps

Free Learning

Coursera - free MOOCs

TED - listen to Ted Talks

Duolingo - language learning

Memrise - spaced repetition language vocabulary

Khan Academy - free video lessons

Ambient Noise

8tracks - curated playlists

Spotify - online music streaming

Coffitivity - cafe ambience

Noisli - background sound generator

Rain Rain - rain sounds

Binaural - binaural beats

Health

Rockin Ramen - recipes based on ramen

MealBoard - meal planning

Lifesum - healthy eating

Stop Breath And Think - mindfulness meditation

Pacifica - mental health management

Sworkit - personalized video workouts

Waterlogged - hydration tracker

Reference

WolframAlpha - Google on steroids

Oxford Dictionary - all of English at your fingertips

RefMe - citation generator

PhotoMath - solve math problems by taking a photo

Mathway - step by step math help

Desmos - free graphing calculator

Wikipedia - not the best source, but it’s handy

Miscellaneous 

Companion - stay safe when walking alone

Mint - money management

Toshl - finance manager