Alternatives

Products that do what I'm 15 and made a bedtime calculator with React JavaScript does

1IM
I'm 15 and building a live quiz app for classrooms: Quickz▲304
2022 · quickz.org
2IM
I made an alarm clock▲271
2021 · stavros.io
3WP
weekend project, an attempt at a simple bed time calculator▲38
2011 · waketimes.com
4IM
I'm 15 years old, and I released my first NPM module: Wizardry▲98
2012 · diy.github.com
5BY
Build your first real world React.js application▲261
2016 · academy.plot.ly
6IB
I built a browser based interactive React course▲24
2020 · react-tutorial.app
7UT
Under the hood ReactJS▲266
2017 · bogdan-lyashenko.github.io
8RF
React for Beginners▲178
2015 · reactforbeginners.com
9AA
Axis - a React.js multiplayer math game▲110
2014 · axisthegame.com
10FM
Free Math, an offline React app for managing digital math homework▲138
2017 · freemathapp.org
11AS
A simple note-taking app built in React▲100
2015 · notello.com
12IB
I built a tax calculator with JavaScript▲7
2020 · taxmygig.com
13BD
BFS, Dijkstra and A* interactive demo made in React▲94
2021 · github.com
14EA
E3Dos – A 3D engine I wrote when I was a teen▲83
2019 · github.com
15IH
I have written a toy language in JavaScript▲10
2014 · github.com
16IB
I built an extension of JavaScript in a day▲26
2014 · github.com
17JI
JavaScript in 14 minutes▲33
2018 · jgthms.com
18IM
I'm learning react. I made an app to easily create NSAttributedStrings▲14
2017 · andresinaka.github.io
19IM
I made a React/DayJS picker as my first open source library▲5
2021 · grzracz.github.io
20LR
Learn React JavaScript in Browser▲11
2016 · educative.io
21IT
I threw together a cute JavaScript sandbox for kids▲6
2019 · howtocodejs.com
22SD
Sleep Debt Calculator▲26
2013 · sleepdebtcalc.com
23MA
My Afternoon JavaScript Library▲6
2022 · logger.substack.com
24IM
I made a simple time card calculator▲7
Nov 2025 · mytimecardcalculator.com

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