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  • Arctic Code Vault Contributor


@zwift @hypermindr

Hi there 👋

I'm Lucio, a Brazilian software engineer living in Lisbon, Portugal 🇧🇷 🇵🇹 . Welcome to my collection of open source projects. You may be interested in:

  • Heapify 🟢 , a fast Javascript priority queue implementation;
  • Witchcraft 🧙‍♀️ , a cool Chrome extension to load custom JS/CSS files in any web page;
  • iTermoxyl 💻 , a tool to open multiple ssh connections via iTerm;
  • Graham scan 🔲 , for computing convex hulls in JavaScript;
  • Country flags 🇫🇷 , a tiny JavaScript library for loading flag images based on country codes;
  • The rest of my +100 collection of published projects.

You can find me on Twitter (@luciopaiva) 🐦 , StackOverflow 🕵️ , ArtStation 🎨 , LinkedIn 💼 .

A have a few articles + other stuff here:


  1. The fastest JavaScript priority queue out there. Zero dependencies.

    JavaScript 515 13

  2. Inject Javascript and CSS right from your file system. Think GreaseMonkey for more advanced users.

    JavaScript 152 6

  3. Tool to automatically open multiple ssh connections in iTerm2 by querying ~/.ssh/config.

    Python 18 2

  4. See movie session seat maps right from your console window!

    JavaScript 10 1

  5. Chladni plate simulation made with vanilla Javascript.

    JavaScript 11 2

  6. A JavaScript implementation of the Graham scan algorithm for finding the convex hull of a set of points.

    JavaScript 2

1,208 contributions in the last year

Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Mon Wed Fri
Activity overview

Contribution activity

January 2021

Created 3 repositories
99 contributions in private repositories Jan 1 – Jan 27

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