A grand list of resources and tools related to web/app development, business and startups.

App builders

Too lazy to learn how to code or too cheap to pay for someone to do it for you? There are some options.

AppGyver
Adalo
AppMachine

Colors & patterns

Tools and resources on figuring out color palettes and finding patterns.

Colourlovers - A creative community where people from around the world create and share colors, palettes and patterns.
Coolors - Easy and fast color schemes generator.
Subtle Patterns - Yet another pattern library for your projects.
The Pattern Library - This project compiles patterns created by designers for use in your projects.
Gradient Animator - Create CSS gradients easily.
Nord Theme - Theme for editors/apps etc
Dracula Theme - Popular theme for editors/apps etc

Domain / namecheck tools

These tools make it easy to check if the genious app name idea you came up with is available for general use in the internets.

Wordsafety - Check a name for unwanted meanings in foreign languages
Domainr - Instantly check if a domain is available.
Namechk - Quickly check a name across multiple services.

Ember plugins / resources

A bunch of the best resources and plugins we are using for Emberjs.

Ember Observer - Ember addons listing
Ember Power Calendar - Powerful and customizable calendar component for Ember.
Ember Flatpickr - Implements the Flatpickr calendar for Ember.
Ember Testing Tips - A good article on how to do testing in Ember.
Ember Cli Notifications - A notifications system for Ember.
Ember Gestures - Handle gestures in Ember apps nicely.
Vertical Collection - Infinite Scroll and Occlusion at > 60FPS for Ember.
Ember In Viewport - Detect if an Ember View or Component is in the viewport @ 60FPS.
Ember Cli Clipboard - Copy text to clipboard.
Ember Cli Geo - Integrating HTML5 Geolocation API into your Ember.js web app.
Ember Cli Swiper - A nice swiper component for your apps.
Ember Concurrency - Ember Addon that makes it easy to write concise, robust, and beautiful asynchronous code.
Ember Animated - Core animation primitives for Ember
Ember CP Validations - Ember computed property based validations
Ember Cli Bundle Analyzer - Analyze and visually show the size and contents of your Ember app's bundles.

Escape Google / Privacy

Google removed "Don't be evil" clause from their code of conduct and got 200% more evil. Here are some alternatives to Google stuff and generally avoid tracking. Because privacy matters.

Sovereign - Run your own infrastructure for email, file sharing and what not.
Fastmail - Alternative email provider for Gmail.
PrivacyTools - PrivacyTools provides services, tools and knowledge to protect your privacy against global mass surveillance.
Prismbreak - Opt out of global data surveillance programs like PRISM, XKeyscore and Tempora.
Syncthing - Syncthing is a continuous file synchronization program aka. open source dropbox.
DeGoogle - A huge list of alternatives to Google products. Privacy tips, tricks, and links.

Design & Fonts & Typography

Resources related to fonts an typography.

Typ - Find fonts that go together
Practicaltypography - Typography in ten minutes
CSS Font Stack - A collection of web safe CSS font stacks
Inspirational Typohraphy Guide - A Five-Minute Guide to Better Typography
Closest font - Find closest font
Sketch App Resources - Lots of free resources for Sketch App.

Inspiration sources

Resources for UI/design inspiration.

Dribbble - The place to find & showcase creative work.
Goodweb - The best landing pages, organized by section.
Mobilemozaic - MobileMozaic is a gallery of the very best designed iphone applications.
Pttrns - Examples of common design patterns in apps.
Littlebigdetails - Little Big Details is a curated collection of the finer details of design.

JavaScript guides

Guides for writing better JavaScript code.

AirBnb JavaScript Style Guide - AirBnbs famous JavaScript style guide.
Modern JS Cheatsheet - Cheatsheet for the JavaScript knowledge you will frequently encounter in modern projects.
Clean Code JavaScript - Software engineering principles, from Robert C. Martin's book Clean Code, adapted for JavaScript.
33 JavaScript Concepts - Repository of updated links to help developers master their concepts in JavaScript.

JavaScript libs / resources

A bunch of JavaScript libraries and resources that seem to come handy time after time.

GarlicJS - Persist form state in localStorage to prevent those oopsie moments where user loses text.
Faker.js - Generate massive amounts of realistic fake data in Node.js and the browser.
Awesome Node.js - A huge list of delightful Node.js packages and resources.
Sifter - A library for textually searching arrays and hashes of objects by property (or multiple properties). Designed specifically for autocomplete.
Svelte Community - Resources for Svelte framework.
Bottleneck - A library to throttle things.

UI components
Chardin.js - Simple overlay instructions for your apps.
GridStack - Build interactive dashboards in minutes. Requires jQuery.
Leaflet - JavaScript library for mobile-friendly interactive maps.
noUiSlider - noUiSlider is a lightweight JavaScript range slider library with full multi-touch support. It fits wonderfully in responsive designs and has no dependencies.
nProgress - Slim progress bars for Ajax'y applications. Inspired by Google, YouTube, and Medium.
Timesheet.js - JavaScript library for HTML5 & CSS3 time sheets.
Slate - A completely customizable framework for building rich text editors.

Date/time
Moment - Parse, validate, manipulate, and display dates in javascript.
CLNDR - a jQuery calendar plugin that uses HTML templates.
Pickadate - The mobile-friendly, responsive, and lightweight jQuery date & time input picker.
Kalendae - A javascript date picker that just works.

File
Filesize.js - JavaScript library to generate a human readable String describing the file size.
jQuery File Upload - File Upload widget with multiple file selection, drag&drop support, progress bar, validation and preview images, audio and video for jQuery.
Dropzone - Dropzone is an easy to use drag'n'drop library. It supports image previews and shows nice progress bars.

Images
lazysizes - High performance and SEO friendly lazy loader for images (responsive and normal), iframes and more, that detects any visibility changes triggered through user interaction, CSS or JavaScript without configuration.
Intense Images - A simple library to view large images up close using simple mouse interaction, and the full screen.
Photoswipe - JavaScript image gallery for mobile and desktop, modular, framework independent.
Galleria - Another JavaScript Image Gallery.

Mouse/touch/keyboard
Dragula - Drag and drop so simple it hurts.
Hammer.js - A javascript library for multi-touch gestures.
Mousetrap - Simple library for handling keyboard shortcuts in Javascript.
Cleave.js - Format input text content when you are typing.
Draggable - The JavaScript Drag & Drop library your grandparents warned you about.
ScrollMagic - A popular javascript library for magical scroll interactions.

Visualisation
D3 - Bring data to life with SVG, Canvas and HTML.
C3 - A D3-based reusable chart library.
Raphaël - Raphaël is a small JavaScript library that should simplify your work with vector graphics on the web.
SVG.js - The lightweight library for manipulating and animating SVG.

Kubernetes

Running your own cluster is the bomb these days.

Gravity - Opinionated image-based Kubernetes packaging and management tools.
Helm - The package manager for Kubernetes
Kops - Kubernetes Operations to handle production grade K8s installation, upgrades, and management
Seldon Core - Handy tool to run your ML models on K8s.

Launch check lists / submission directories / guides

Getting ready to launch a web application or site? Go through these check lists and once it's good use the epic list of sites to submit your project to.

Sizle directories list - Mega list of submission directories.
Box UK Checklist - Extensive website launch checklist.
Smashing Mag Checklist - Smashing magazines take on website launch checklist.
Webdesignerdepot Checklist - Webdesignerdepots take on website launch checklist.
1stwebdesigner Checklist - 1stwebdesigners take on website launch checklist.
Marketing For Engineers - A curated collection of marketing articles & tools to grow your product.

Photos/mockups/illustrations/videos

Resources for finding those juicy free photos, videos or icons for boostrapping your startup idea.

Visualhunt - Creative commons photo search engine.
The Stocks - Yet another stock search engine.
Mockupworld - Find free Mockups from the Web
Unsplash - The place to find free, high quality photos
Compfight - Locate visual inspiration
you need.
Littlevisuals - Free, high resolution images
Picjumbo - Free high-resolution images for personal and commercial use
Gratisography - Quirky, creative and free photos
Morguefile - Free images for creatives, by creatives
Freepik - Graphic resources for everyone
Pixabay - Stunning free images & royalty free stock
Jeshoots - Free to use photography by Jan Vašek, who wants to help to all of the artists.
New Old Stock - Vintage photos from the public archives. Free of known copyright restrictions.
Moveast - This is a journey of a Portuguese guy moving to the east decided that every photo should be used for free.
Life of Pix - Another site with free high resolution photography.
Kaboompics - Free stock photography and color palettes.
Designerspics - Free Hi-Res photos for your personal & commercial use. Attribution not required!
Startup Stock Photos - Startup themed free to use stock photos
Jaymantri - CC0 photos by Ajay Mantri
Stock Up - Free stock photo aggregator
Isorepublic - Free high-resolution CC0 photos and videos
Pexels - Free stock photos & videos shared by talented creators.
Coverr - Beautiful free stock video footage

Offline goodies & swag

We do not yet live in a fully digital world and it can be cool to get some swag for your company.

Calepino - Calepino offers great quality brandable office goodies
Colorplan Paper - Paper of epic quality from England for those extraordinary business cards
Gooten - Build an online store and let Gooten produce the goodies and fulfill orders.
Fatcloth - The most epic pocket squares that double as screen or eyewear cleaning cloth. Also brandable to your own companys needs.
Realthread - Makes it easy to order super soft, stylish custom printed t-shirts
Stickermule - Stickers and other swag with minimal hassle

Open source example web/mobile apps

It can be valuable to take a peek at other apps how they've done things.

Realworld - The mother of all demo apps" — Exemplary fullstack Medium.com clone powered by React, Angular, Node, Django, Ember etc.
Hospitalrun - Comprehensive OS app for hospitals.
Navi - Navi is a production quality analytics reporting UI
FullStack - Full-stack boilerplate for you to learn some cool things or build your next app off of.
Pushpin - A collaborative corkboard app.
Pixelpusher - Real-time peer-to-peer collaboration with React.
Capstone - An experimental, tablet-based tool for developing your ideas.
Talkyard - A combination of stackoverflow, wiki and slack.
Hasura example app - React admin with firebase auth and hasura graphql backend.

React libs / resources

react-map-gl - React friendly API wrapper around MapboxGL JS.
react-vis - Data Visualization Components
reakit - Toolkit for building accessible rich web apps with React.
Nivo - A set of dataviz components, built on top of d3 and Reactjs libraries.

Social media automation

Tools to help automate social media and make the bots take over the world.

Instabot.py - Instagram bot written in python.
Tinder Client - NodeJS based Tinder client.

Startup / remote resources

Resources for building your next startup or improving your current one.

SaaS Financial Plan - A financial plan template for SaaS.
Founder / Advisor Standard Template - Contract template for startup advisors.
Equite Compensation Guide - Stock options, RSUs, job offers, and taxes — a detailed reference
Startup Tools - Free contract templates for startups in the nordics.
Producthunt Founder Club - Lots of benefits for startup founders.
Sticker Mule - Need to print stickers or other stuff for your startup? This is it.
Gitlab Handbook - GitLab team handbook is a great resource on how to run a remote company.
MVP Success Guide - A great guide on running building a minimum viable product for your startup.
EnterpriseReady - SaaS feature guides created for people who build SaaS products for enterprise customers.
Startupstash - A curated directory of tools and resources to build your startup.
Resources for Freelancers - All the free resources and templates you need to get work done as a freelancer.
1 on 1 Meeting Questions - Mega list of 1 on 1 meeting questions compiled from a variety to sources
StartHouse - A big collection of startup pitch decks.

Studying / reference

Site / applications / references to help you study stuff.

Anki - Powerful, intelligent flash cards
Ihateregex - The Regex Cheat Sheet
Shortcutfoo - Practice shorcuts and become a ninja through interactive learning and repetition.

Templates / boilerplates

Here is a bunch of templates and boiler plates for hitting the ground running in your next endeavour.

Html5up - Free HTML5 site templates
Bootswatch - Free themes for Bootstrap
Fastshell - Simple, quick front-end boilerplate and workflows.
Boostrapsious - Free (and non-free) Bootstrap themes
Start Boostrap - More free (and non-free) Bootstrap themes
Bootswatch - Even more free themes for Bootstrap
Initializr - HTML5 template generator to help you getting started with a new project fast
Extensionizr - Start a chrome extension in 15 seconds.
Underscores - Wordpress theme starter kit.

Testing and user experience

Tools for testing and improving your web applications.

Browserstack - Test your projects on 2000+ real devices and browsers.
Fullstory - See how your users actually use your web application.
Gremlins.js - Unleash the gremlins on your application or site to test it's robustness. :)
Gtmetrix - See how your site performs, reveal why it's slow and discover optimization opportunities.
Pagespeed - Googles pagespeed test can help you make your web pages fast on all devices.
Tota11y - Tota11y helps visualize how your site performs with assistive technologies.
Usetrace - Mostly codeless UI test automation in the cloud.
Taiko - A node.js library for testing modern web applications.
Testproject - TestProject is an end-to-end test automation platform for web, mobile, and API.