diff --git a/README.md b/README.md
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@@ -487,7 +487,6 @@ There're also some great commercial libraries, like [amchart](https://www.amchar
 * [timezone-js](https://github.com/mde/timezone-js) - Timezone-enabled JavaScript Date object. Uses Olson zoneinfo files for timezone data.
 * [date](https://github.com/MatthewMueller/date) - Date() for humans.
 * [ms.js](https://github.com/rauchg/ms.js) - Tiny millisecond conversion utility.
-* [countdown.js](https://github.com/gumroad/countdown.js) - Super simple countdowns.
 * [timeago.js](https://github.com/hustcc/timeago.js) - Simple library (less then 2kb) used to format date with `*** time ago` statement.
 * [fecha](https://github.com/taylorhakes/fecha) - Lightweight date formatting and parsing (~2KB). Meant to replace parsing and formatting functionality of moment.js.
 * [date-fns](https://github.com/date-fns/date-fns) - Modern JavaScript date utility library.
@@ -899,7 +898,7 @@ There're also some great commercial libraries, like [amchart](https://www.amchar
 
 * [jTable](https://github.com/hikalkan/jtable) - A jQuery plugin to create AJAX based CRUD tables.
 * [DataTables](https://www.datatables.net/) - (jQuery plug-in) It is a highly flexible tool, based upon the foundations of progressive enhancement, and will add advanced interaction controls to any HTML table.
-* [Tabulator](http://olifolkerd.github.io/tabulator/) - (jQuery plug-in) An extremely flexible library that create tables with a range of interactive features from any JSON data source or existing HTML table.
+* [Tabulator](https://tabulator.info/) - (jQuery plug-in) An extremely flexible library that create tables with a range of interactive features from any JSON data source or existing HTML table.
 * [Bootstrap Table](https://bootstrap-table.com/) - An Extension to the popular Bootstrap framework for creating tables that fit the style of your site with no need for additional markup.
 * [floatThead](https://github.com/mkoryak/floatThead) - (jQuery plug-in) lock any table's header while scrolling within the body. Works on any table and requires no custom html or css.
 * [Masonry](https://masonry.desandro.com/) - A cascading grid layout library.
@@ -912,7 +911,7 @@ There're also some great commercial libraries, like [amchart](https://www.amchar
 * [Semantic UI](https://semantic-ui.com/) - UI Kit with lots of themes and elements.
 * [w2ui](http://w2ui.com/) - A set of jQuery plugins for front-end development of data-driven web applications.
 * [fluidity](https://github.com/mrmrs/fluidity) - The worlds smallest fully-responsive css framework.
-* [Ink](https://github.com/sapo/Ink) - An HTML5/CSS3 framework used at SAPO for fast and efficient website design and prototyping.
+* [Ink](https://ink.sapo.pt/) - An HTML5/CSS3 framework used at SAPO for fast and efficient website design and prototyping.
 * [DataFormsJS](https://github.com/dataformsjs/dataformsjs) - A minimal JavaScript Framework and standalone components for rapid development of sites and SPA's.
 * [EHTML](https://github.com/Guseyn/EHTML) - HTML Framework that allows you not to write JavaScript code.
 
@@ -1081,14 +1080,12 @@ There're also some great commercial libraries, like [amchart](https://www.amchar
 * [picturefill](https://github.com/scottjehl/picturefill) - A responsive image polyfill for <picture>, srcset, sizes.
 * [platform.js](https://github.com/bestiejs/platform.js) - A platform detection library that works on nearly all JavaScript platforms.
 * [json3](https://github.com/bestiejs/json3) - A modern JSON implementation compatible with nearly all JavaScript platforms.
-* [Logical Or Not](https://gabinaureche.com/logicalornot/) - A game about JavaScript specificities.
 * [BitSet.js](https://github.com/infusion/BitSet.js) - A JavaScript Bit-Vector implementation.
 * [spoiler-alert](https://github.com/joshbuddy/spoiler-alert) - SPOILER ALERT! A happy little jquery plugin to hide spoilers on your site.
 * [jquery.vibrate.js](https://github.com/illyism/jquery.vibrate.js) - Vibration API Wrappers
 * [list.js](https://github.com/javve/list.js) - Adds search, sort, filters and flexibility to tables, lists and various HTML elements. Built to be invisible and work on existing HTML.
 https://listjs.com
 * [mixitup](https://github.com/patrickkunka/mixitup) - MixItUp - A Filter & Sort Plugin.
-* [grid](https://github.com/hootsuite/grid) - Drag and drop library for two-dimensional, resizable and responsive lists.
 * [jquery-match-height](https://github.com/liabru/jquery-match-height) - a responsive equal heights plugin for jQuery.
 * [SurveyJS](https://github.com/surveyjs/survey-library) - SurveyJS is a JavaScript Survey and Form Library. https://surveyjs.io/
 * [Array Explorer](https://github.com/sdras/array-explorer) and [Object Explorer](https://objectexplorer.netlify.app/) - Resources to help figure out what native JavaScript method would be best to use at any given time.