Last updated on: 05/08/2020 (changelog)

All of my recommendations for aspiring engineers in a single place, coming from various areas of interest. The principal scope supports data science, programming, python, math, cybersecurity, business, and productivity.

The list also aggregates and extends most of the suggestions from my blog posts, where some of the entries come from a different language (🇵🇱). Although it’s my personal list, don’t hesitate to tell me if I missed something interesting or if there is a dead link. You are also welcome to create a pull request and see the history of edits in the GitHub repo.

Tip: The catalogue is sorted chronologically, but I believe it is easier and more practical to browse this site by categories (using the TOC).


🌐 Blogs

 It’s best to collect all your favourite sites into a news aggregator like Feedly

business

cybersecurity

data science

general

  • Andy Matuschak <— read and learn about learning, quantum computing, math, software development, and more
  • Gwern <— the content varies mostly between psychology, statistics, and technology
  • Medium <— popular blogging platform
  • Our World in Data <— research and data to make progress against the world’s largest problems
  • Reddit <— front page of the Internet (tip: browse by subreddits, not the main site)
  • vas3k <— one of the most “quality over quantity” tech blogs you can find on the Internet
  • Wait But Why <— great reading time guaranteed

math

programming

  • beepb00p <— inspirational blogger building various things
  • Code Without Rules <— helping you become a productive programmer and get work/life balance
  • Coding Horror <— programming and human factors
  • Devstyle (🇵🇱) <— blog for every programmer
  • DEV Community <— popular blogging platform for developers
  • Discover dev <— daily digest of the best engineering blogs from across the web
  • Hacker Noon <— great stories by real tech professionals
  • Product Hunt <— discover the best new products in tech
  • Stack Overflow Blog <— essays, opinions, and advice on the act of computer programming
  • Tania Rascia <— visually pleasing blog about modern JavaScript, Node.js, design and web development

📚 Books

 For more, visit my bookshelf on Goodreads

biographies

business

cybersecurity

data science

data tools

health

math

personal development

programming

 Mostly universal (language-independent books). 

science

💾 Browser Extensions

  • 30 seconds of knowledge <— random code snippet every time you open a new tab
  • ColorZilla <— advanced eyedropper
  • Dark Reader <— dark mode for all the websites
  • Decentraleyes <— protect yourself against tracking through “free”, centralised, content delivery
  • Disconnect <— visualize and block the invisible websites that track you
  • EditThisCookie <— cookie editor
  • Email Finder – GetProspect <— find business email address in one click
  • F.B. Purity <— customise (clean) your Facebook
  • Git History Browser Extension <— add “Open in Git History” button to GitHub repos
  • Grammarly <— very extensive tool to proofread English grammar
  • HTTPS Everywhere <— force HTTPS if possible
  • Hypothesis <— open-source tool to highlight/annotate the text you read online and in the scientific papers. It’s a great way to organize your research, as well as hold discussions about your annotations with other users like me
  • Language Learning with Netflix <— display subtitles in both languages while watching Netflix
  • LanguageTool <— check your writing in more than 20 languages (great alternative to Grammarly)
  • Nimbus Capture <— advanced screenshot tool for Google Chrome
  • OneTab <— save up to 95% memory by moving all open tabs into a single one in Google Chrome
  • Power Thesaurus <— find synonyms and antonyms to improve your writing
  • Privacy Badger <— block invisible trackers
  • Reedy <— speed reading with RSVP (Rapid Serial Visual Presentation) technique
  • Refined Twitter <— simplify Twitter UI and add useful features
  • Remove YouTube Recommended Videos, Comments <— hide YouTube related videos, comments, video suggestions wall, homepage recommendations, trending tab, and other distractions
  • Session Buddy <— manage browser sessions
  • Sourcegraph <— add code intelligence to GitHub and other code hosts
  • Stylus <— user-style manager
  • Tampermonkey <— the most popular userscript manager
  • uBlock Origin <— blocker addon (not only for ads)
  • VisBug <— FireBug for designers – edit any webpage, in any state
  • Wappalyzer <— identify technology on websites

💼 Business

remote collaboration

  • Discord <— VoIP application (my preference over Slack)
  • Google Hangouts <— remote video calls
  • Hackpad <— web-based realtime wiki (great for knowledge sharing/documentation)
  • Miro <— online collaborative whiteboard (great for remote event storming)
  • Remote Work Toolkit <— set of tools for remote work
  • Trello <— web-based Kanban-style list-making application (great for creating tickets)

tools

  • ahrefs <— research your competitors
  • Bitcoin Regret Club <— check how much would you earn/lose if you would invest into Bitcoin on the chosen date
  • BuzzSumo <— analyze what content performs best for any topic or competitor
  • Calendly <— schedule appointments
  • CoSchedule <— schedule online posts/marketing
  • Cryptowatch <— live Bitcoin price charts
  • FlatGA <— easy overview of your Google Analytics dashboard
  • Google Optimize <— free tool to perform A/B tests to analyse customers
  • Investing.com <— stock market quotes & financial news
  • ODOO <— web-based open source business apps
  • Sendy <— cheap newsletter system via Amazon SES
  • Startup
    • books <— list of books to help you along your startup journey
    • idea checklist <— answer before opening a startup
    • stages <— +90 tools for startups
    • stacklist <— list of technologies used by startups
    • stash <— curated directory of resources & tools to help you build your startup
  • Tools for Makers <— hand-curated directory of tools for makers

👾 Cybersecurity

learn

  • CTFlearn <— ethical hacking platform that enables tens of thousands to learn, practice, and compete
  • CTFtime <— CTF archive, current overall Capture The Flag team rating, per-team statistics etc.
  • Google CTF <— CTF organised by Google with different challenges to practice
  • Hacker101 <— free class for web security
  • Hacksplaining <— interactive lessons to present the most typical cybersecurity attacks. Afterwards, the site presents an extended article with the ways of how to protect ourselves from the particular vulnerability
  • Hack The Box <— online platform allowing you to test your penetration testing skills and exchange ideas and methodologies with thousands of people in the security field
  • pwn.college <— education platform for students (and other interested parties) to learn about, and practice, core cybersecurity concepts in a hands-on fashion
  • The Book of Secret Knowledge <— collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, cli/web tools and more

tools

  • 10 Minute Mail <— create a temporary anonymous e-mail
  • AmIUnique <— check your browser fingerprint
  • CyberChef <— web app for encryption, encoding, compression and data analysis
  • DuckDuckGo <— find what has been hidden from you by Google
  • Filecrypt <— encrypt a link
  • Firefox Send <— private file sharing up to 1GB (2.5GB with account)
  • Have I Been Pwned <— check if you have an account that has been compromised in a data breach
  • Hybrid Analysis <— analyse malware for free in the browser
  • IP Info <— check if your VPN leaks information
  • Pi-Hole <— adblock for the whole network (requires: router + raspberry pi)
  • PrivacyTools <— set of services, tools, and knowledge to protect your privacy
    • PRISM Break <— set of privacy tools (categorised by operating systems)
    • Privacy Respecting <— curated list of privacy respecting services and software
    • Secured.fyi <— list of security tools with great filtering options
  • Shodan <— search engine of IoT
  • Tails <— privacy OS for pendrive (protects your privacy and offers all sorts of apps to do so, like Tor, Thunderbird and PGP)
  • Webbkoll <— monitor privacy-enhancing features on websites, and find out who is letting you exercise control over your privacy
  • Whois <— whois lookup
  • Your social media fingerprint <— check where you are currently logged in

📊 Data Science

 Subscribe to my newsletter to find out even more inspiring stuff to help you with your analytics! 

cheatsheets

My private OneNote would be there, but I prefer to share only the most relevant content. IMPORTANT: be aware that many cheatsheets repeat false information, such as classifying logistic regression as a pure classification algorithm.

datasets

jobs

  • CalmJobs <— job board of companies who value work-life balance
  • DataJobs <— jobs on the US market
  • Indeed <— worldwide job search
  • Kaggle jobs <— job board on Kaggle
  • LinkedIn <— social platform for employees
  • Remote Jobs <— browse 1,900+ remote companies and learn about their team, benefits, work culture and more
  • StatsJobs <— jobs for statisticians
  • Tech Interview Handbook <— carefully curated content to help you ace your next technical interview with a focus on algorithms

tools

  • Glassdoor <— find jobs and company reviews from its employees
  • Jobscan <— optimise your resume using the ATS system
  • levels.fyi <— compare salaries and career levels at big companies

learning material

news

online tools

questions

subreddits

 As there are many, I highly encourage you to check my custom feeds: 

visualisations

🎨 Design

colour palettes

create

  • Canva <— create graphics easily
  • Carbon <— share an image of code
  • Coggle <— generate mind maps
  • diagrams.net <— free online diagram software (previously: draw.io)
  • Hatchful <— logo creator from the Shopify team
  • Kapwing <— collaborative platform for creating images, videos, and GIFs
  • Launchaco <— free online logo maker
  • Marvel <— create mockups in the browser
  • Venngage <— infographic creator

edit

  • Photopea <— Photoshop in the browser
  • Pixlr X <— online image editor
  • remove.bg <— automatically remove background from an image
  • Unscreen <— automatically remove background from a video

icons

  • CoreUI Icons <— premium designed free icon set with marks in SVG, Webfont and raster formats
  • Eva Icons <— simple open-source icons
  • Flaticon <— free vector icons
  • Font Awesome <— vector icons and social logos for your website
  • icons8 <— free icons

📆 Events

📰 IT News

 All the mentioned sites are mostly free of clickbait and offer the triumph of form over content. 

🧠 Learning

  • Brilliant <— app that I do not feel guilty wasting my time with and paying to be a premium subscriber. It’s part of my “Three Goals” programme
  • Hypothesis <— open-source tool to highlight/annotate the text you read online and in the scientific papers. It’s a great way to organize your research, as well as hold discussions about your annotations with other users like me
  • Polar Bookshelf <— open-source tool to annotate PDF documents and websites and later turn them into Anki flashcards. It’s a quite unique alternative to Hypothesis
  • Researcher <— feed for scientific papers
  • Simple Wikipedia <— Wikipedia articles explained in simple words

flashcards

I’ve explained my way of using flashcards (mainly Anki) thoroughly in this blog post.

languages

  • Busuu <— global language learning community, where you can take language courses to practice reading, writing, listening and speaking (great alternative to Duolingo)
  • Clozemaster <— language learning gamification through mass exposure to vocabulary in context
  • Duolingo <— free web/mobile app to learn most of the languages
  • LyricsTraining <— learning languages with the music videos and filling in the lyrics of your favorite songs
  • Reverso Context <— translator with example sentences to give more context
  • Rosetta Stone <— learn online with a possibility to book online conversations with a native speaker
  • YouGlish <— search engine to find the pronunciation of the phrase in a YouTube video. The site offers multiple languages

online courses

  • Coursera <— courses by universities and other professional organizations
  • Courseroot <— course search engine
  • DataCamp <— online courses just for data science
  • Dataquest <— online courses just for data science (seems to be tougher than DataCamp but lacks the mobile app)
  • edX <— online university-level courses
  • HN Academy <— online courses recommended by the community of Hacker News
  • Khan Academy <— free online university
  • Linux Academy <— the #1 rated Learn-by-Doing, multicloud training platform, and the Hands-On Lab pioneers
  • SwitchUp <— compare/rank bootcamps by subjects
  • Udacity <— high-quality courses for tech topics
  • Udemy <— find and create online courses

questions

  • Quora <— ask anything
  • Reddit <— find the right subreddit for your question
  • Stack Exchange <— find the right site to ask your question
  • Stack Overflow <— all the programming related questions

simulations

➗ Math

learn

tools

  • Desmos <— graphing calculator. You can create visualisations close to 3blue1brown style (such as [1] or [2])
  • Manim <— generate explanatory animations for your math videos (created by 3blue1brown)
  • Mathway <— algebra problem solver
  • Symbolab <— step by step solver
  • WolframAlpha <— ultimate online calculator

📱 Mobile Apps

🎶 Music

DAW

  • Ableton
  • FL Studio <— my favourite choice with lots of online tutorials. Can be highly extended with multiple plugins

learn

listen

  • Last.fm <— track your scrobbles. Make sure to follow me!
  • lofi hip hop radio <— live YouTube transmission of background music for your studying sessions
  • musicForProgramming <— series of mixes intended for listening while ‘+task+’ to aid concentration
  • Poolside FM <— the chillest place online: a place where it’s perpetually the summer of 1997 (probably my favourite radio)
  • Radio Garden <— listen to thousands of radio stations from the world using a Google Earth based menu
  • SoundCloud <— find lots of indie music and upload your own one. Make sure to follow me!
  • Spotify <— stream music online

sample packs

  • ADSR <— sample packs + music courses
  • BBC Sound Effects <— 16000 BBC Sound Effects in WAV format
  • Cymatics.fm <— 1000’s of free samples, presets, and more
  • Loopmasters <— different types of samples: one shots, loops, construction kits (samples combined for one particular song)
  • SoundPacks <— comprehensive source for free sample packs, drum kits, loop packs, and preset packs

tools

📧 Newsletters

Try gathering all your favourite newsletters into Newsletry (Feedly for newsletters).

  • Awesome Newsletters <— curated list of awesome newsletters
  • Bullets.news <— scientific papers summarized in few bullet points
  • Data Elixir <— weekly dose of the top data science picks from around the web. Covering machine learning, data visualization, analytics, and strategy
  • Data Science Weekly <— featuring curated news, articles and jobs related to Data Science. You can read the archive at any time
  • DEV Community <— weekly newsletter of top 7 posts (activate in settings of your account)
  • GitHub Trending Repos <— subscribe to weekly/daily sets of trending repositories from different languages
  • Hacker Newsletter <— weekly newsletter of best posts from Hacker News
  • Highbrow <— choose a topic to learn and receive a daily message
  • Inside <— daily newsletters on different topics. For example, check out Inside AI and its recent issues at any time
  • James Clear <— apply better habits in your life (from the author of Atomic Habits)
  • Morning Cup of Coding <— daily programming newsletter featuring long form technical articles of all fields of software engineering
  • Podcast Notes <— summary of podcasts in few bullet points
  • The Data Science Roundup <— internet’s most useful data science articles
  • The Overflow <— newsletter by developers, for developers
  • unknowNews (🇵🇱) <— weekly newsletter. Check its archive or search engine for the past sendings
  • Unreadit/Tech <— Reddit content on tech

🎧 Podcasts

 I recommend listening to all podcasts through Pocket Casts web/mobile app

business

cybersecurity

data science

general/science

health

programming

⏲ Productivity

  • ActivityWatch <— open-source time tracker (alternative to RescueTime)
  • Brain.fm <— music to improve focus. Try sample sounds on their YouTube channel
    • myNoise <— background noises & interactive soundscapes
    • Noises <— free alternative to Brain.fm
    • Noisli <— another alternative
  • Box Breathing Exercise <— take a break, breathe and calm down
  • Effective Engineer Notes <— quick read on how to be effective and get things done
  • Feedly <— news aggregator. Save time by browsing what matters
  • Focusmate <— let others watch you while you work
  • Integromat <— automate various tasks (more advanced than IFTT and 2.5x cheaper than Zapier)
  • Intention <— Chrome extension to stop visiting distractive websites
  • Leave Me Alone <— see all of your subscription emails in one place and unsubscribe from them with a single click
  • lofi hip hop radio <— live YouTube transmission of background music for your studying sessions
  • Monochrome mode (grayscale mode) activation on your mobile device <— attract yourself less to the colourless screen
  • musicForProgramming <— series of mixes intended for listening while ‘+task+’ to aid concentration
  • Notion <— all-in-one workspace to replace to-do lists and note-taking apps
  • Obsidian <— powerful knowledge base (note-taking tool) that works on top of a local folder of plain text Markdown files
  • OneNote 2016 <— my favourite note-taking tool (2016 version more feature-rich over the UWP app)
  • Productivity Methods <— large list by Todoist
  • Productivity Stack <— list of productivity tools
  • Quirk <— app to apply Cognitive Behavioral Therapy (CBT). The website also explains what is CBT
  • Raindrop.io <— bookmark manager (Pocket like app)
  • RemNote <— note-taking app that will convert your notes to flashcards with the use of specific syntax. Here you can check its live demo
  • Roam <— note-taking tool as powerful as a graph database, applying the Zettelkasten method (alternative to Obsidian)
  • Todoist <— my daily to-do app (using this link you will get 2 months of premium for free!). If you don’t know how to start, check out my Todoist setup and inspire yourself!
  • Toggl <— the most integrated time tracker

👨‍💻 Programming

coding challenges

  • Binary Search <— create a room, invite your friends, and race to finish the problems
  • CheckiO <— learn Python or JavaScript through the online game
  • CodeGym <— online Java programming course that is 80% based on practice
  • CodeSignal <— the most popular website of this kind
  • CodinGame <— <— learn programming through online sets of puzzles
  • Edabit <— simple, new website in the market
  • exercism <— 100% free service, where you submit solutions through your terminal
  • HackerRank <— my personal choice. I’ve started with included 30-days coding challenge and can totally recommend it
  • LeetCode <— more advanced website, where you will mostly find problems asked by the world’s largest tech companies. I recommend watching Kevin Naughton Jr. who goes through many problems from there

IDE

  • Anaconda <— most popular Python/R Data Science platform, which lets you install and manage all of the following tools:
  • Google Colab <— alternative to Jupyter Notebook. Run your code entirely in the browser and improve the model learning time by leveraging Google’s GPU/TPU
  • PyCharm <— more robust Python IDE
  • Repl.it <— world’s leading online coding platform
  • Sublime Text <— the most optimised text editor with a package control

online tools

  • Airtable <— partly spreadsheet, partly database. Can replace WordPress for non-technical users, who can also manage multiple domains using this tool
  • Algorithm Visualiser <— interactive online platform to visualise algorithms from code
  • Bubble <— visual programming (no coding required)
  • Coda <— build docs as powerful as an app (no coding recuired)
  • ExtendsClass <— toolbox for web designers and webmasters
  • json.pizza <— beautify your JSON code
  • Python Tutor <— visualise Python algorithms, step by step
  • regex101 <— online regex tester and debugger
  • StackEdit <— visual Markdown editor

websites to study from

🛫 Travel

🖥 Windows

  • 7-Zip <— file archiver with a high compression ratio
  • AIMP <— music player
  • AquaSnap <— tiling window manager
  • Audacity <— simple audio editor
  • AutoHotkey <— ultimate automation scripting language for Windows
  • Calibre <— e-book manager
  • Chocolatey <— package manager
  • ConEmu <— improved windows terminal
  • Directory Opus <— ultimate file manager (worth paying for)
  • Ditto <— clipboard manager
  • Everything <— search local files instantly
  • FileZilla <— free and open-source FTP client/server
  • f.lux <— reduce the amount of blue light at night (you can also install the preferred UWP app)
  • Frink <— practical calculating tool and programming language designed to make physical calculations simple
  • GitKraken <— cross-platform GUI Git client
  • JDownloader <— open-source download management tool
  • KeePassXC <— cross-platform password manager. Otherwise, consider 1Password as the most secure online manager
  • Mp3tag <— mp3 tag editor
  • Ninite <— install and update all your programs at once
  • PDF-XChange Editor <— most feature-rich PDF viewer/editor
  • PortableApps.com <— full-featured portable software system
  • Potplayer <— video player
  • PowerToys <— Windows system utilities to maximize productivity. FancyZones is one of them, which improves window layout management
  • PuTTY <— SSH and telnet client
  • qBittorrent <— open-source torrent manager
  • ShareX <— most feature-rich screen capture tool

✍ Writing/Research

LaTeX

  • Awesome LaTeX <— list of LaTeX resources
  • Mathpix Snip <— convert images to LaTeX by capturing your screen
  • Overleaf <— online LaTeX editor, recommended not only for the beginners

research websites

  • arXiv <— open access to the scientific papers
  • DOAJ <— directory of open access journals
  • Google Scholar <— web search engine that indexes the full text or metadata of scholarly literature
  • JSTOR <— access to more than 12 million academic journal articles, books, and primary sources in 75 disciplines
  • ResearchGate <— European commercial social networking site for scientists and researchers to share papers, ask and answer questions, and find collaborators
  • ScienceDirect <— website which provides subscription-based access to a large database of scientific and medical research
  • Sci-Hub <— unlock access to all scientific papers using its URL, PMID/DOI
  • Springer <— access to millions of scientific documents from journals, books, series, protocols, reference works and proceedings
  • Wikipedia’s List of academic databases and search engines

📼 YouTube Channels

cybersecurity

data science

entertainment

math

productivity/business

  • Akademia Bogactwa (🇵🇱) <— daily vlog of Polish entrepreneur focused on real estate
  • Ali Abdaal <— one of the best channels to learn organisation and study techniques from a med student
  • Andrzej Krzywda (🇵🇱) <— daily vlog of Polish programmer/entrepreneur
  • BrainCraft <— self-improvement tips and advice based in psychology and neuroscience
  • Charisma on Command <— master your charisma
  • Devstyle (🇵🇱) <— daily vlog of Polish entrepreneur (past programmer)
  • FightMediocrity <— summaries of the most inspiring books
  • MiroBurn (🇵🇱) <— daily vlog of Polish entrepreneur focused on online courses, biohacking, motivating others and establishing new companies
  • Wojna Idei (🇵🇱) <— psychology, philosophy, sociology and culture

programming

science

  • AK LECTURES <— biology, biochemistry and physics. I recommend going through the playlists
  • AsapSCIENCE <— quick scientific explanations
  • Astrofaza (🇵🇱) <— everything about space
  • BrainStuff – HowStuffWorks <— everyday science in the world around us
  • CGP Grey <— short explanatory videos on varying subjects, including politics, geography, economics, history, and culture
  • exurb1a <— attempt to explain the way universe works
  • Geography Now <— first and only Youtube Channel that actively attempts to cover profiles on every single country of the world
  • iBiology <— biology talks by the world’s leading scientists that show the process of science and the wonders of discovery. Make sure to check out their other channels
  • It’s Okay To Be Smart <— Joe Hanson, Ph.D. is a curious group of atoms in a curious universe, and he’s here to tell you how it all works
  • Kurzgesagt <— videos explaining things with optimistic nihilism (quality > quantity)
  • Langfocus <— channel of a language enthusiast, globetrotter
  • Lex Clips <— clips from the Artificial Intelligent podcast and other conversations with Lex Fridman
  • Life Noggin <— quickly animated explanations
  • Mark Rober <— channel of a former NASA engineer and a friend of science
  • MinuteEarth <— science and stories about our awesome planet
  • minutephysics <— cool physics and other sweet science
  • Nauka. To Lubię (🇵🇱) <— for everyone who likes science
  • National Geographic <— world’s premium destination for science, exploration, and adventure
  • PBS Space Time <— explore the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi and more
  • Physics Girl <— adventures into the physical sciences with experiments, demonstrations, and cool new discoveries
  • Primer <— animated academic subjects
  • Reigarw Comparisons <— comparisons of sizes, speed, price, or anything interesting
  • SciFun (🇵🇱) <— world of science
  • Simone Giertz <— channel of a maker/robotics enthusiast/non-engineer
  • Smarter Every Day <— exploring the world using science (also check out the 2nd channel)
  • Smartgasm (🇵🇱) <— lots of astronomy and physics
  • Stuff Made Here <— building fabrication projects, writing software, making electronics, and more
  • The Thought Emporium <— from biohacking and biology, to nuclear physics and nanotech
  • TierZoo <— what if to talk about animals in terms of stats
  • Today I Found Out <— brand new videos 7 days a week to learn something new
  • Tom Scott <— channel of a British Internet personality
  • Uwaga! Naukowy Bełkot (🇵🇱) <— well-researched topics from the overall science
  • Veritasium <— videos about science, education, and anything else found interesting
  • Vsauce <— mostly scientific, psychological, mathematical, and philosophical topics
  • What If <— what if ___ ?
  • What I’ve Learned <— mostly health-based videos from a single person

tech news

  • Dave Lee <— critical reviews of the newest tech on the market
  • Linus <— entertaining tech explanations
  • Techquickie <— humorous answers to tech questions

🤷 Other