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Maciej J edited this page Aug 24, 2026 · 2 revisions

2021 - index by tag

721 tags across 693 links. Cross-year view: Index-All-Years.

Jump to: learning (47) · productivity (31) · electronics (30) · hardware (28) · python (28) · career (24) · education (23) · security (21) · javascript (19) · psychology (17) · tools (17) · open-source (16) · audio (15) · diy (14) · django (14) · maker (13) · web-dev (13) · dev-tools (12) · e-ink (12) · automation (11) · raspberry-pi (11) · robotics (11) · synth (11) · coaching (10) · music-tech (10) · 3d-printing (9) · documentation (9) · ml (9) · ai (8) · business (8) · communication (8) · display (8) · graphics (8) · hiring (8) · music (8) · programming (8) · startup (8) · visualization (8) · webinars (8) · 3d-graphics (7) · architecture (7) · creative-coding (7) · devops (7) · dsp (7) · games (7) · linux (7) · midi (7) · no-code (7) · privacy (7) · team-building (7) · team-training (7) · business-model (6) · community (6) · computer-vision (6) · iot (6) · logic-game (6) · machine-learning (6) · macos (6) · polish (6) · puzzle (6)

#learning (47)

#productivity (31)

#electronics (30)

#hardware (28)

#python (28)

#career (24)

#education (23)

#security (21)

#javascript (19)

#psychology (17)

#tools (17)

#open-source (16)

#audio (15)

#diy (14)

#django (14)

#maker (13)

#web-dev (13)

#dev-tools (12)

#e-ink (12)

#automation (11)

#raspberry-pi (11)

#robotics (11)

#synth (11)

#coaching (10)

#music-tech (10)

#3d-printing (9)

#documentation (9)

#ml (9)

#ai (8)

#business (8)

#communication (8)

#display (8)

#graphics (8)

#hiring (8)

#music (8)

#programming (8)

#startup (8)

#visualization (8)

#webinars (8)

#3d-graphics (7)

#architecture (7)

#creative-coding (7)

#devops (7)

#dsp (7)

#games (7)

#linux (7)

#midi (7)

#no-code (7)

#privacy (7)

#team-building (7)

#team-training (7)

#business-model (6)

#community (6)

#computer-vision (6)

#iot (6)

#logic-game (6)

#machine-learning (6)

#macos (6)

#polish (6)

#puzzle (6)

#react (6)

#remote-work (6)

#saas (6)

#teaching (6)

#tensorflow (6)

#webgl (6)

#workplace-culture (6)

#writing (6)

#algorithms (5)

#api (5)

#art (5)

#audio-dsp (5)

#developer-tools (5)

#embedded (5)

#entrepreneurship (5)

#hacking (5)

#management (5)

#object-detection (5)

#physics (5)

#questioning-technique (5)

#reference (5)

#research (5)

#retro (5)

#streaming (5)

#synthesis (5)

#therapy (5)

#three-js (5)

#ui (5)

#video (5)

#wellness (5)

#worksheet (5)

#analytics (4)

#animation (4)

#arduino (4)

#best-practices (4)

#business-strategy (4)

#coding (4)

#coding-education (4)

#collaboration (4)

#deep-learning (4)

#deployment (4)

#esp32 (4)

#esp8266 (4)

#finance (4)

#game-dev (4)

#glsl (4)

#icebreakers (4)

#interactive (4)

#learning-resources (4)

#library (4)

#loopsynth (4)

#materials (4)

#mental-health (4)

#mentoring (4)

#networking (4)

#philosophy (4)

#publishing (4)

#reading (4)

#retro-computing (4)

#wordpress (4)

#algorithm (3)

#audio-synthesis (3)

#blogging (3)

#books (3)

#cloudflare (3)

#computer-science (3)

#concurrency (3)

#consulting (3)

#css (3)

#culture (3)

#database (3)

#design (3)

#design-patterns (3)

  • B CQRS Pattern - Microsoft architecture documentation on separating read and write operations for data management.
  • B Domain-driven design - Wikipedia overview of domain-driven design approach for architecting complex software systems.
  • C EURion constellation - Wikipedia article on the EURion security pattern embedded in banknote designs. · M

#discovery (3)

#edge-ml (3)

#embedded-systems (3)

#gardening (3)

#generative-art (3)

#hacker-news (3)

#health (3)

#ical (3)

#interviews (3)

#knowledge-management (3)

#kubernetes (3)

#leadership (3)

#llm (3)

#mathematics (3)

#media (3)

#music-production (3)

#music-theory (3)

#neural-networks (3)

#performance (3)

#permissions (3)

#postcards (3)

#presentation (3)

#project-management (3)

#reverse-engineering (3)

#social (3)

#technical-writing (3)

#tutorial (3)

#ui-design (3)

#visual-programming (3)

#wasm (3)

#web-design (3)

#ai-agents (2)

#ai-art (2)

#archive (2)

#audio-gear (2)

#authentication (2)

#authenticity (2)

#biology (2)

#bluetooth (2)

#browser-tool (2)

#burnout (2)

#c-sharp (2)

#calendar (2)

#ci-cd (2)

#circuits (2)

#cli (2)

#cognitive-bias (2)

#components (2)

#containerization (2)

#course (2)

#creativity (2)

  • B Why Build Toys - Essay exploring the philosophy and creative motivation behind building playful toy products. · M
  • C How Alphabets Are Created - Tumblr post exploring how new writing systems and alphabets emerge through creative experimentation.

#cs-education (2)

#cs-fundamentals (2)

#ctf (2)

  • A OWASP Juice Shop - Intentionally insecure web application for security training, CTF competitions, and testing tools.
  • B picoCTF / CyLab Security Academy - CMU's free cybersecurity learning platform with CTF challenges and foundational content.

#dashboards (2)

#data-export (2)

#deno (2)

#design-tool (2)

#diagrams (2)

#dopamine (2)

#dsl (2)

#educational (2)

#engagement (2)

#essays (2)

#excel (2)

#file-transfer (2)

#fitness (2)

#flutter (2)

#frontend (2)

#full-stack (2)

#fundamentals (2)

#fundraising (2)

#generative-design (2)

#gif (2)

#git (2)

#github (2)

#goals (2)

  • C SMART Goals Worksheet - Downloadable worksheet for setting specific, measurable, achievable, relevant, time-bound goals. · archived
  • C Grid Goal - Goal-tracking and personal development web application for creating life goals.

#google (2)

#hardware-hacking (2)

#history (2)

#hr (2)

#humor (2)

#indie-hacking (2)

#infrastructure (2)

#inspiration (2)

#jekyll (2)

#keyboard (2)

#laser-galvos (2)

#led (2)

#lifestyle (2)

#low-code (2)

#markdown (2)

#marketing (2)

#mentorship (2)

#microcontroller (2)

#microcontrollers (2)

#mindset (2)

#mobile-dev (2)

#music-collaboration (2)

#nlp (2)

#outsourcing (2)

#pedagogy (2)

#persuasion (2)

#planning (2)

#platform (2)

#pose-estimation (2)

#powershell (2)

#print-mail (2)

#problem-solving (2)

#processing (2)

#professional-development (2)

#projects (2)

#recruiting (2)

#research-tools (2)

#resources (2)

#saas-tools (2)

#security-training (2)

#self-hosted (2)

#sensors (2)

#seo (2)

#serverless (2)

#service (2)

#services (2)

#shader (2)

#simulation (2)

#solopreneur (2)

#spreadsheets (2)

#startups (2)

  • B Companies with successful pivots - Crowdsourced GitHub list documenting startups and companies that executed successful pivots.
  • C Dead Startup Toys - MSCHF art project creating collectible figurines from iconic failed startup products and concepts. · M

#stock-photos (2)

  • B Pexels — Free Stock Photos - Millions of free stock photos and videos from independent creators, no attribution required. · M
  • D Unsplash - (unverified - page not reachable) · M · dead

#surveillance (2)

#synth-mod (2)

#systems-programming (2)

#tedx (2)

#templates (2)

#terminal (2)

#tips (2)

#training (2)

#travel (2)

#ux (2)

#vst (2)

#vue-js (2)

#web-audio (2)

#web-scraping (2)

#web-tool (2)

#webrtc (2)

#workplace (2)

#workshops (2)

#3d (1)

#academic (1)

#active-learning (1)

#adhd (1)

#admin-panels (1)

#advice (1)

  • B Some Career Advice - Compilation of career growth, decision-making, and professional development advice.

#africa (1)

#age-transition (1)

#agile (1)

#ai-models (1)

#ai-music (1)

  • A The Infinite Drum Machine - Google Creative Lab interactive tool using ML to generate infinite drum samples from training. · M

#ai-tool (1)

#ai-tools (1)

#analog (1)

#analysis (1)

#android (1)

#anomaly-detection (1)

#api-security (1)

#app-builder (1)

  • B Bubble - No Code App Builder - Visual and AI-powered platform for building production apps without coding, combining drag-and-drop and prompting.

#app-development (1)

#apple (1)

#ats (1)

#audio-analysis (1)

#audio-effects (1)

#audio-plugin (1)

#audio-processing (1)

#audio-streaming (1)

#audiobooks (1)

#auth (1)

#authorization (1)

#biography (1)

#biohacking (1)

#blender (1)

#blockchain (1)

#blog (1)

  • D Refined Blog - Blog homepage with no clear topic or content focus evident without further navigation.

#bootstrapping (1)

#botany (1)

#browser (1)

#browser-games (1)

  • B Bitburner - Text-based hacking simulator and programming puzzle game played entirely in browser · M

#browser-tools (1)

#bundling (1)

#business-analysis (1)

#business-philosophy (1)

#business-structure (1)

#buyer-guide (1)

#caldav (1)

#camera (1)

#card-game (1)

#card-games (1)

  • C Rummy - Matching-card game family played recreationally in households and competitions.

#career-development (1)

#case-study (1)

#cassette (1)

#cellular (1)

#ceramics (1)

#certifications (1)

#cheatsheet (1)

  • B Learn C# in Y minutes - Concise C# language reference covering syntax and core concepts in quick-reference format.

#chiptune (1)

#client-management (1)

#cloud (1)

  • B GitHub Codespaces - Cloud-based IDE integrated with GitHub; spin up preconfigured dev environments from any browser.

#cloud-hosting (1)

#cloud-storage (1)

#cluster (1)

#cms (1)

#cnc (1)

#code-quality (1)

#code-reading (1)

#code-review (1)

#code-tools (1)

#coding-tutorials (1)

#cognitive-science (1)

#collaborative (1)

#collectibles (1)

  • C Dead Startup Toys - MSCHF art project creating collectible figurines from iconic failed startup products and concepts. · M

#color (1)

#community-platform (1)

#competitions (1)

#completion (1)

  • B How to Finish Things - Psychology and tactics for completing projects; addresses procrastination and motivation in creative work.

#complexity (1)

#compliance (1)

#composition (1)

#conversion (1)

#cooking (1)

#cooperative (1)

#course-creation (1)

#courses (1)

  • A MIT OpenCourseWare - MIT's free platform providing course materials from hundreds of university classes worldwide. · M

#cpp (1)

#cqrs (1)

  • B CQRS Pattern - Microsoft architecture documentation on separating read and write operations for data management.

#creative (1)

#creative-tools (1)

#creator-economics (1)

#creators (1)

  • C Streambus - Platform proposing alternative business models and monetization strategies for video creators. · M

#critical-thinking (1)

#crowdfunding (1)

#cryptography (1)

#csrf (1)

  • B CORS CSRF hacking - Blog post detailing CSRF vulnerability exploited to automate profile interactions. · M

#curation (1)

#curiosity (1)

  • C My Tungsten Cube - Why someone bought a 1.5-inch tungsten cube for $130; explores material properties and tactile satisfaction. · M

#cv (1)

#d3 (1)

#data-import (1)

#data-removal (1)

#data-science (1)

  • B Tinkerstellar - Interactive tutorials for learning Python programming and data science through hands-on exercises.

#data-tools (1)

#data-visualization (1)

#data-viz (1)

#databases (1)

#daw (1)

#ddd (1)

  • B Domain-driven design - Wikipedia overview of domain-driven design approach for architecting complex software systems.

#decentralized-networks (1)

#decision-making (1)

  • A The Focus to Say No - Essay on strategic decision-making through declining good opportunities to focus on great ones.

#deepfake (1)

#dependency-management (1)

#design-assets (1)

#design-system (1)

#design-systems (1)

#design-tools (1)

#desktop-apps (1)

#dev-culture (1)

#dev-guide (1)

  • B The Coding Career Handbook - Free open-source guide for developers progressing from junior to senior roles and deciding career direction.

#developer-community (1)

#diagramming (1)

#dialogue (1)

#difficult-conversations (1)

#digital-preservation (1)

#disclosure (1)

#display-art (1)

#diversity (1)

#diy-electronics (1)

  • B DVD Laser Scanner Microscope - DIY laser scanning microscope built from repurposed DVD components for high-magnification sample examination. · M

#diy-hardware (1)

#diy-synth (1)

  • B Binary Synthesizer - DIY electronic synthesizer built from binary logic circuits and custom wiring · M

#docker (1)

#domain-registration (1)

#dotfiles (1)

#dotnet (1)

#drum-machine (1)

  • A The Infinite Drum Machine - Google Creative Lab interactive tool using ML to generate infinite drum samples from training. · M

#drum-synthesis (1)

#e-learning (1)

#editor (1)

#eink (1)

  • B Hacking eInk Price Tags - Repurpose electronic shelf labels into wireless photo frames; battery-powered displays for maker projects. · M

#embeddings (1)

#engineering (1)

#engineering-levels (1)

#environmental-data (1)

#estimation (1)

#european-tools (1)

  • B European Alternatives - Directory of European SaaS and digital product alternatives to mainstream American services.

#eurorack (1)

#execution (1)

#exercises (1)

#experiences (1)

#eye-tracking (1)

#fabrication (1)

#face-generation (1)

#face-swap (1)

#fastapi (1)

#feedback (1)

#filament (1)

#fire (1)

#firebase (1)

#firmware (1)

#fl-studio (1)

#fm-synth (1)

#food (1)

#forth (1)

#fraud-prevention (1)

#freelance (1)

#frontend-dev (1)

#ftp (1)

#full-stack-web (1)

#game-based-learning (1)

#game-engine (1)

#game-engines (1)

#game-theory (1)

  • B The Evolution of Trust - Interactive game theory guide exploring cooperation, trust, and reciprocity through playable scenarios. · M

#gamification (1)

#gaming (1)

#gear (1)

#generative-music (1)

#genres (1)

  • B Every Noise at Once - Interactive map of Spotify genre relationships; explore music taxonomy and discover adjacent genres. · M

#geopolitics (1)

#gesture-recognition (1)

#github-list (1)

#glitch-art (1)

#goal-tracking (1)

#golang (1)

#google-sheets (1)

#gotchas (1)

#gpt-3 (1)

#gpt-neo (1)

#graphics-programming (1)

#graphing (1)

#growth (1)

#guitar (1)

#hardware-mod (1)

#harmonics (1)

#harmony (1)

#hip-hop (1)

#home (1)

#home-automation (1)

#home-workouts (1)

#hosting (1)

#html (1)

  • C HTML Tips - Common HTML best practices and code snippets for web development.

#html5 (1)

#huggingface (1)

#hugo (1)

#icons (1)

#ideas (1)

#image-tools (1)

#inclusion (1)

#indie-dev (1)

#information-security (1)

#input-device (1)

#interactive-learning (1)

  • A Naval Architecture - Interactive visual explanation of how ships float, maintain stability, and handle physics in water. · M

#interfaces (1)

#internal-tools (1)

#ios (1)

#ios-sideload (1)

#ipad (1)

#it (1)

#jamstack (1)

#javascript-lib (1)

#job-hunting (1)

#journaling (1)

#journalism (1)

#junior-dev (1)

#jupyter (1)

#kabbalah (1)

#kaggle (1)

#keyboards (1)

#kindle-hack (1)

#korg (1)

#labor-rights (1)

#landing-pages (1)

#languages (1)

#laptop (1)

#laser (1)

#lego (1)

#linting (1)

#live-coding (1)

  • A TidalCycles - Live coding environment for music written in Haskell; perform algorithmic music through code. · M

#llm-few-shot (1)

#llm-fine-tuning (1)

#llm-finetuning (1)

#logo-design (1)

#lora (1)

  • B Off The Grid Messenger - Open-source LoRa-based communication system enabling off-grid messaging without infrastructure. · M

#macros (1)

#maker-projects (1)

#max-msp (1)

#mechanical (1)

  • B Animated Engines - Interactive 3D visualizations showing how diesel, Wankel, steam, jet, and other engine types actually work. · M

#meditation (1)

  • C When Buddhism Goes Bad - Personal account of how intensive mindfulness meditation led to psychological crisis and recovery.

#meetings (1)

#messaging (1)

  • B Off The Grid Messenger - Open-source LoRa-based communication system enabling off-grid messaging without infrastructure. · M

#microsoft-graph (1)

#microsoft-teams (1)

#mir (1)

#misc (1)

#ml-audio (1)

#ml-hardware (1)

#ml-theory (1)

#ml-tracking (1)

#mobile (1)

#mobile-forensics (1)

#mobile-security (1)

#modular (1)

#module (1)

#monetization (1)

#monitor (1)

  • B 8.8inch IPS Side Monitor - Portable IPS display for dual-screen setups; useful for coding, monitoring, and music production workflows. · M

#monitoring (1)

#motion-graphics (1)

#motivation (1)

#motors (1)

#mushroom-growing (1)

#music-app (1)

  • D AUDIAK - (unverified - page not reachable) · M · dead

#music-composition (1)

#music-dsp (1)

#music-education (1)

#music-gear (1)

  • B Octatrack Trigs Mind Map - Community mind map documenting Octatrack MIDI sequencer trigger functions from the official manual. · M

#music-hardware (1)

#music-language (1)

#nature (1)

#neuroscience (1)

#newsletter (1)

#nginx (1)

#no-code-platform (1)

#nodejs (1)

  • B NodeJS Security Cheat Sheet - Security best practices and vulnerability prevention for Node.js applications; OAuth, error handling, crypto.

#nomad (1)

#notation (1)

#nutrition (1)

#oauth (1)

#obs (1)

#octatrack (1)

  • B Octatrack Trigs Mind Map - Community mind map documenting Octatrack MIDI sequencer trigger functions from the official manual. · M

#online-education (1)

#open-hardware (1)

#optimization (1)

#owasp (1)

  • A OWASP Top 10: 2021/2025 - Essential security framework listing top ten web application vulnerabilities and risks.

#p2p (1)

#paid-content (1)

#papers (1)

#parser (1)

#parsing (1)

  • B htmlq: jq for HTML - Command-line tool for querying HTML documents using jq-like syntax for extraction.

#party-games (1)

  • C Party game - Encyclopedia overview of party games designed for social entertainment.

#password-management (1)

#payments (1)

#pcb-design (1)

#peer-instruction (1)

#performance-management (1)

#perlin-noise (1)

#personal-brand (1)

#personal-projects (1)

#personality-testing (1)

#phones (1)

#photo-editor (1)

#photo-printing (1)

#php (1)

#pitch-decks (1)

#pitching (1)

#plugins (1)

#podcast (1)

#postgres (1)

#product-design (1)

  • B Why Build Toys - Essay exploring the philosophy and creative motivation behind building playful toy products. · M

#product-management (1)

#productized-services (1)

#program-synthesis (1)

#programming-advice (1)

#programming-books (1)

#programming-puzzle (1)

  • B Bitburner - Text-based hacking simulator and programming puzzle game played entirely in browser · M

#prompt-eng (1)

  • B The art of asking nicely - Essay on effective prompt engineering techniques for neural nets and generative image/text models.

#psychological-safety (1)

#public-speaking (1)

#python-tools (1)

#python-web (1)

#pytorch (1)

#quick-reference (1)

  • B Learn C# in Y minutes - Concise C# language reference covering syntax and core concepts in quick-reference format.

#realtime-comms (1)

#recipe (1)

#regex (1)

#relationships (1)

#repair (1)

#replit (1)

#responsive-design (1)

#retro-gaming (1)

#retrospectives (1)

#revenue (1)

#ritual (1)

#roadmap (1)

#roundup (1)

#routines (1)

#runtime (1)

#rust (1)

#samples (1)

#satire (1)

#scheduling (1)

#screen-recording (1)

#sdf (1)

#search (1)

#search-skills (1)

#self-hosting (1)

#self-improvement (1)

#self-learning (1)

#sequencer (1)

  • B Octatrack Trigs Mind Map - Community mind map documenting Octatrack MIDI sequencer trigger functions from the official manual. · M

#server (1)

#shaders (1)

#sharepoint (1)

#shell (1)

#shell-scripting (1)

#shortcodes (1)

#signal-processing (1)

#soft-skills (1)

#software (1)

#software-architecture (1)

#software-design (1)

#software-engineering (1)

#songwriting (1)

#sound-design (1)

#sound-synthesis (1)

#spaced-repetition (1)

#spectrogram (1)

#speculative-execution (1)

#speech-recognition (1)

#sql (1)

#standard-library (1)

#standards (1)

#starter (1)

#startup-tool (1)

  • B Bubble - No Code App Builder - Visual and AI-powered platform for building production apps without coding, combining drag-and-drop and prompting.

#state-management (1)

#static-site-generator (1)

#static-sites (1)

#stm32 (1)

#stock-video (1)

#stoicism (1)

#strategy (1)

#subscription (1)

#supply-chain (1)

#survey-design (1)

#svg (1)

  • B OMG, SVG Favicons FTW! - Guide to SVG favicons with dark mode, emoji support, inlining, and CSS animations.

#synth-dev (1)

#synthesizers (1)

  • B Binary Synthesizer - DIY electronic synthesizer built from binary logic circuits and custom wiring · M

#tablet (1)

#tdd (1)

#teaching-methods (1)

  • B Flipped classroom - Wikipedia on flipped classroom pedagogy where students review content before in-class discussion.

#teaching-tools (1)

#team-operations (1)

#team-process (1)

#tech-history (1)

#tech-stack (1)

#technology (1)

#template (1)

#testing (1)

#third-party-tools (1)

#time-tracking (1)

  • C TimeTrack Raspberry Pi - Open-source time tracking system using Raspberry Pi with web calendar and kiosk badge entry. · M

#tool (1)

#toys (1)

  • B Why Build Toys - Essay exploring the philosophy and creative motivation behind building playful toy products. · M

#tpu (1)

#transformers (1)

#typography (1)

  • C How Alphabets Are Created - Tumblr post exploring how new writing systems and alphabets emerge through creative experimentation.

#ui-components (1)

#usb (1)

  • B ESP32 USB Software Host - Implement USB host via GPIO pins on ESP32; connect USB keyboards, mice, joysticks without hardware USB. · M

#vector-db (1)

#vehicles (1)

#venture (1)

#verification (1)

#video-compression (1)

#video-streaming (1)

#vim (1)

#visibility (1)

#vscode (1)

#vue (1)

#vulnerability (1)

#wall-art (1)

#watch-mod (1)

#wealth (1)

#weather (1)

#web-framework (1)

#web-infrastructure (1)

#web-performance (1)

#web-security (1)

  • A OWASP Top 10: 2021/2025 - Essential security framework listing top ten web application vulnerabilities and risks.

#web-serial (1)

  • A Splitflap Display Web Demo - Interactive browser demo controlling split-flap displays (airport board style) via Web Serial API. · M

#web-tools (1)

#webassembly (1)

#website-builder (1)

#wiki (1)

#wireless (1)

#work (1)

#yc (1)

#zigbee (1)

Across all years: Highlights · Index-All-Years

2021: Home · Best-Of · By tag · By category · For Maciek · Dead links · Noise

Other years: 2018 · 2019 · 2020 · 2022 · 2023 · 2024 · 2025 · 2026

Across all years: Highlights · Index-All-Years

2021: Home · Best-Of · By tag · By category · For Maciek · Dead links · Noise

Other years: 2018 · 2019 · 2020 · 2022 · 2023 · 2024 · 2025 · 2026

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