Apple Device Tools

• Hammerspoon 51 - Automate macOS using Lua.
• Macscripter 8
• Overcast 8 - Podcast player for iPhone, iPad, and Apple Watch.
• Packal 11 - Bundles for Alfred 2.
• The sweet setup 30 - Recommendations for the best apps for iPhone, iPad, and Mac.

Cloud services

• Dropbox 26 - Cloud Storage.
• Google Drive 48 - Cloud storage and cloud editing for files.
• iCloud 16

Cryptocurrencies

• Binance 64 - Cryptocurrency exchange.
• Bitstamp 9
• Coin marketcap 13 - Cryptocurrency Market Capitalizations.
• Coingecko 15 - Cryptocurrencies charts.
• gate.io 19 - Blockchain Assets Trading Platform.

Design

• Flat UI colours 78
• UI movement 79

Development

• Advent of code 39
• Algorithm visualiser 44
• Code school 41
• Codility 17
• Docker hub 14 - Dev-test pipeline automation.
• Glot.io 15 - Open source pastebin with runnable snippets and API.
• Hackr 82 - Find programming Courses & Tutorials.
• Leetcode discuss 22
• Libraries.io 19
• Mozilla Thimble 21 - Online code editor.
• Netlify 13 - Web hosting for static website through a CLI environment.
• OverAPI 14
• Realm 8
• Stackshare tools 18 - See which open source tools are trending across StackShare.

Experiments

• WebGL water 39

Finance

• Bitcoin now 27 - See the current Bitcoin price.
• Booking 17
• Etsy 19 - Online Shopping Platform.
• Finviz 9
• Massdrop 15 - Community-Driven Commerce.
• Patreon 5 - Join your favorite creator’s community and pay them for making the stuff you love.
• Paypal 10
• Trading view 71

Games

• Checkio 47 - Games for coding.
• Code combat 29 - Programming Game designed for Students.
• Codewars 15
• Codingame 15
• Itch.io 15 - Simple way to find and share indie games online for free.

General

• 21.co 27
• AlternativeTo 33 - Crowdsourced software recommendations of alternative free software.
• Arbital 12 - Hybrid blogging and wiki platform.
• Artsy 8
• Arxiv 26 - Open access to 1,364,248 e-prints in STEM fields.
• Azquotes 33 - Thousands of quotes by thousands of people.
• Barnacles 8
• Beta Observable 12 - Discover insights faster and communicate more effectively with interactive notebooks for data analysis, visualization, and exploration.
• Bold.io 19
• Brilliant 24 - Online math brain puzzles.
• Bubblehunt 7
• Chemdiary 13 - Track your drug, research chemical and nootropic use.
• Coderpad 10 - Similar to Google Docs, but can execute code.
• Couchsurfing 15 - Meet and stay with locals all around the world.
• Coworking coffee 5 - Find workplaces with coffee and wifi, curated by the community.
• Daybook 20 - Online Notebook.
• Desmos 10 - Online Graphing Utility.
• Devpost 8
• Digital ocean 24
• Dribble 9
• Eventbrite 6
• Exercism 9 - Online execution of programming problems.
• Favourite and forget 4
• Firebase 10 - Tools from Google for developing Apps.
• Gitbook 4 - Collaboration platform using Git as a backbone.
• Gitxiv 9 - Online space to share collaborative open computer science projects.
• Goodreads 6 - Track which books you’ve read.
• Google dashboard 7
• Google docs 12 - Online collaboration for all your office documents.
• Google forms 3 - Quick and easy quizzing or polling.
• Google projects 6
• Google slides 5
• Google trends 21 - Discover what people are searching about.
• Grouvee 3 - Track your video game collection.
• Hackerrank 9
• HackMD 5 - Realtime, Multiplatform Collaborative Markdown note editor.
• Heroku apps 8
• How stuff works 17
• IFTT 6 - Find Applets.
• Instant.io 17 - Torrent Tracker.
• Interviewbit 9
• Jumpshare 1
• Jupyter notebook 7 - RStudio Style Markdown Notebooks done in Python.
• Learn anything 45 - Platform for knowledge discovery that helps you understand any topic through the most efficient paths, as voted by the community.
• Letters of note 3 - Attempts to gather and sort fascinating letters, postcards, telegrams, faxes, and memos.
• Lobsters 3 - Technology-focused community centered around link aggregation and discussion.
• Matrix multiplication 5
• N-gate 1
• Namecheap 14 - Cheap Website Domains.
• Nofile 2 6 - Simple and secure file sharing.
• Npm - npm is the package manager for JavaScript and the world’s largest software registry.
• Numbeo 3 - Collection of Web pages containing numerical and other itemizable data about cities and countries.
• Pastebin 9 - Store any text online for easy sharing.
• Pinboard (popular) 3
• Pinboard (recent) 1
• Pinterest 3 - Pin online ideas to a central board for later. Navigate to other people’s pins as well.
• Pocket 14 - Save internet links for later.
• Product hunt 4
• Project euler 1
• Reddit grid 3
• Rocumentaries 7 - Curated links to documentaries.
• Scholarpedia 5 - Peer-reviewed open-access encyclopedia, where knowledge is curated by communities of experts.
• Sci-hub 4
• Six Degrees of Wikipedia 2 - Find the shortest navigation paths between any two Wikipedia pages.
• Skyscanner 6 - Global travel search site.
• Skytorrents 8 - Torrent Tracker.
• Snoopsnoo 3 - Discover about Reddit Users based on their post history.
• Stack real time 3
• Stack share
• Startup tracker 3
• Steemit 1
• Telegraph 3
• Topl 5 - Community-driven curation for lists.
• Trakt 5 - Track which TV shows and Movies you’ve watched.
• Tumblr 5 - Blogging Website.
• Tvtropes 1 - Read about “Tropes” in popular usage.
• Twitch 3 - Free online streaming platform.
• Uses This 10 - Collection of Interviews.
• Vim awesome 4 - Find vim plugins.
• W3schools 3 - The standard for Web Development.
• World Meters 8 - World Statistics updated in real time.
• Zeef 6 - Curated Directory for Development & Tech Resources.
• Zen habits 5

GitHub Related Tools

• First PR 7 - See the first GitHub Pull Request you made.
• Free interactive tutorials 18
• Git awards 10 - Find out how your GitHub profile measures up.
• Git logs 2 - Discover trending repos on GitHub.
• Github info 3 - Statistics about GitHub.
• GitHub issues 1 - Look at all of your GitHub Issues (Created, Assigned, or Mentioned).
• GitHub profile visualiser 6 - Tool for visualizing GitHub profiles.
• Github releases 3
• Github trending 11 - Top trending GitHub repos.
• Github 2 - Coding through online collaboration.
• List community 4 - Easy way to browse curated lists on GitHub.
• Works for me 7

Go Resources and Tools

• Go compiler explorer 3
• Go FAQ 1
• Go play space 5 - Experimental alternative Go Playground frontend that is built in Go itself.
• Godoc 1 - Search for Go Packages.
• Visualgo 3

Jobs

• Angellist 38 - Find a job at a startup or post a job at a startup.
• Codementor 23 - Find freelance developers.
• Graduateland 15
• We love golang 10 - Find jobs for Go developers.

Learn

• Alcamy 58 - Internet’s catalog of knowledge.
• Arxiv Sanity Preserver 8
• Class central 6
• Code academy 33 - Free online coding tutorials.
• Coursera 14
• Courseroot 44 - Search best online courses.
• [Educative.io 22] - Online tutorials
• EdX 3
• Encyclopedia Britannica 3
• Egghead 16 - Group of working web development professionals and open source contributors that provide you with video courses.
• Explained visually 20 - Website dedicated to Explorable Explanations.
• Freecodecamp 9
• Internet Curated 31 - Collection of 150+ hand-picked curated resources & tools.
• Interview cake 13 - Practice for programming interviews.
• Lecture search 10 - Find Online Lectures.
• Leetcode 10 - Platform to help you enhance your skills, expand your knowledge and prepare for technical interviews.
• Library of Babel 10
• MDN 2
• Metacademy 9
• MIT courses 15
• Open culture 8
• Open yale courses 5
• Physics Travel Guide 2
• Quizlet 2
• Ray Wenderlich 3
• Silicon valley dictionary 6 - Online dictionary targeted at Coders, similar to UrbanDictionary
• TED 6 - Free Expert Academic Talks.
• Tutorials point 11 - Online Tutorials at your own pace.
• Udacity 8
• Udemy 16
• Where is SciHub 8 - Go to correct link of SciHub (reserach paper search).

Life

• Apple id 12
• Toggl 11 - Budgeting and Timeline Manager for projects.

Machine learning

• CrowdAI 16 - Connects data science experts and enthusiasts with open data to solve specific problems, through challenges.
• DataQuest 8
• Kaggle 8 - Site devoted to Data Analysis through Machine learning.

Music

• Bandcamp 11
• Denver 5
• Designer mix 6
• Discogs 2
• Gnoosic 7 - Website the recommends new bands based on ones you like.
• Jazz and rain 2
• Last.fm 1
• Music for programming 5
• Music player for reddit 3
• Rainy mood 4
• Soft murmur 3
• Soundcloud 4 - Music streaming.
• Touch pianist 7
• YTRadio 10 - Live music playlists from YouTube.
• Spotify 8 - Digital music service that gives you access to millions of songs.

News

• Brain pickings 5 - Online magazine written by Maria Popova.
• Code HN 9 Hacker news with only links from GitHub or GitLab.
• Datatau 5 - Hacker News for data scientists.
• Deskhunt 3 - Place where inspirational workspaces meet stories about focus, ergonomics and self improvement.
• Fast company - Online Magazine.
• Geeksforgeeks 4 - Portal to Computer Science topics.
• Golang news
• Golang weekly 2
• Hacker news (new) 7 - RSS for Hacker News.
• Hacker news ranking 3
• Hacker news 1
• HN favourites
• HN top stories - this week 2
• Medium - top 2
• Medium drafts 2
• Medium 2
• Nutrition facts 14 - Watch free videos on more than 2,000 health and nutrition topics with new videos and articles uploaded every day.
• PH today
• Quanta Magazine 5
• Quanta magazine 5 - Online magazine focusing on STEM topics.
• Quanta magazine 5 - Online magazine focusing on STEM topics.
• Readspike
• Slashdot
• Sparkman 1
• The working lunch 3 - Articles, Podcasts, and Videos for your lunch break.

Photo

• Flickr - explore 14
• Flickr 6
• Ill gander 10
• Imgur 10
• Instagram 15
• pexels 9 - The best free stock photos & videos shared by talented creators.
• Pixabay 9 - Shared images and photos (many without Copyright).
• Reaction gif albums 8 - Library for Reddit’s favorite reaction gifs.
• Unsplash 14 - A large collection of free photos.

Profiles

• Gwern 30

Russian

• Habrahabr 28
• Meduza 14
• Postnauka 10
• Rutracker 12

Search

• Aminer 6
• Bangs 5
• Duckduckgo 6 - Private Web Searching.
• Google scholar 9 - Easy searching for Academic Articles.
• Slant 6
• Yandex 3

Services

• Google Docs 12
• Google Sheets 2
• Google Slides 5

Social

• Codepen 8 - Social development environment for front-end designers and developers.
• Facebook 4
• Google plus 7
• Meetup 7
• Reddit 1 - Reddit is a link sharing site with an extremely active comment section.
• Twitter - Share messages in 250 characters or less.
• Whatsapp 18

Startups

• Failory 42 - Learn from failed startups.
• Indie Hackers 39 - Community and stories of successful solo founders.

Tools

• 10 min mail 18 - Have a temporary email for 10 minutes.
• Asciinema 9 - Free and open source way to record terminal sessions and share them on the web.
• Can I use 13 - Use Google Analytics to decide whether users can use a feature in your website.
• Carbon 20 - Create and share beautiful images of your source code.
• Cdecl 3 - Translate C code to English.
• Crontab guru 3 - Cronjob monitor.
• Debuggex 3 - Online visual regex tester. JavaScript, Python, and PCRE.
• Deepl 6
• Donger list 7 - Set of unicode characters assembled to form a text emoticon.
• Draw.io 10 - Online flowchart maker.
• Fast fingers 12 - Online typing test.
• Google translate 2
• Href tools 17 - Online web tools to get work done faster.
• Javascript event codes 6 - Press keys to get the JavaScript keycodes.
• Js bin 3
• Jsfiddle 2
• JSON placeholder 1 - Fake Online REST API for Testing and Prototyping.
• Know it all 7 - Web list that helps you track what you know and what you don’t about web development.
• lpaste 7 - Pastebin.
• Overleaf - Online LaTeX editing.
• Protonmail 7 - Free secure Email hosted in Switzerland.
• Rawgit 3
• Regex101 5
• Regexr 4 - Online tool to learn, build, & test Regular Expressions (RegEx / RegExp).
• Regulex - Regular Expression Visualizer.
• ShareLaTeX 2 - Online LaTeX editing.
• Sketch toy 11 - Free online drawing application that lets you share step-by-step replays of your work.
• Sleep time 9 - An online tool that can help you maximize your quality of sleep by hacking your sleep cycle.
• Symbolab 3 - Online calculator that can do Calculus.
• Thesaurus 2 - Online Thesaurus.
• TIO 1 - Family of online interpreters.
• TypeScript Playground 2 - Compile TS to JS or run it.
• Updwn 3 - Make simple, realtime polls.
• Vim cheat sheet 3 - Cheat sheet for vim shortcuts.
• Vocaroo 7 - Voice recording service.
• Wakatime 6 - Track time and amount you code in particular languages.
• Wolfram alpha 3 - Online calculator for higher math computation.

Video

• Documentary addict 49 - Watch free documentaries.
• Letterboxd 10
• Streamable 18 - Video sharing.
• Thought maybe 22 - Online library of films.
• Tube replay 7 - Watch a YouTube 11 video on a loop without pressing replay.
• Vimeo 15 - Free online high quality video sharing.
• YouTube 11 - Free Online Video Sharing.

Wiki

• Keyboard Maestro 25

Other

• HN leader board 4
• Index 9 - Connecting startups, corporate brands, and investors.
• Octopart 9 - Search engine for electronic parts.