diff --git a/README.md b/README.md
index 9e89c87..572c01a 100644
--- a/README.md
+++ b/README.md
@@ -98,7 +98,6 @@ _Great graphics placeholders and tools to turn that squared game into a picasso
 - :free: [PNGGauntlet](http://pnggauntlet.com/) - Smash PNGs for faster sites
 - :free: [PNGoo](https://pngquant.org/PNGoo.0.1.1.zip) - Windows GUI for batch conversion.
 - :tada: [Pngyu](http://nukesaq88.github.io/Pngyu/) - simple PNG image file compression tool.
-- :tada: [SuperPNG Photoshop plug-in](http://www.fnordware.com/superpng/) — Mac and Windows. Comparison with "Save for Web"
 - :money_with_wings: [TinyPNG](https://tinypng.com/) - Advanced lossy compression for PNG images that preserves full alpha transparency.
 
 #### Texture Tools
@@ -191,9 +190,7 @@ _Great graphics placeholders and tools to turn that squared game into a picasso
 
 - :tada: [goxel](https://github.com/guillaumechereau/goxel)
 - :free: [MagicaVoxel](https://ephtracy.github.io/)
-- :free: [Q-Block](http://kyucon.com/qblock/)
 - :free: [Sproxel](http://sproxel.blogspot.com.br/)
-- :free: [Vengi](https://mgerhardy.github.io/vengi/)
 
 ## Code
 
@@ -247,7 +244,7 @@ _Set of game frameworks, engines and platforms_
 - :tada: [FlashPunk](http://useflashpunk.net/) - free ActionScript 3 library designed for developing 2D Flash games.
 - :tada: :money_with_wings: [Flax Engine](https://flaxengine.com/) - multi-platform 3D game engine
 - :tada: [Foster](https://github.com/FosterFramework/Foster) - A small cross-platform 2D game framework in C#.
-- :money_with_wings: [GameMaker](http://www.yoyogames.com/en/gamemaker) - GameMaker accommodates the creation of cross-platform video games using drag and drop or a scripting language known as Game Maker Language, which can be used to develop more advanced games that could not be created just by using the drag and drop features.
+- :money_with_wings: [GameMaker](https://gamemaker.io/) - GameMaker accommodates the creation of cross-platform video games using drag and drop or a scripting language known as Game Maker Language, which can be used to develop more advanced games that could not be created just by using the drag and drop features.
 - :tada: [gameplay](http://gameplay3d.io/) - A free, open-source, cross-platform, 2D + 3D game framework written in C++. It is aimed towards indie game developers who are creating desktop and mobile games.
 - :money_with_wings: [GameSalad](https://gamesalad.com/) - Game Creation Engine for Mac and Windows.
 - :tada: [GB Studio](https://www.gbstudio.dev/) - A free and easy to use retro adventure game creator for your favourite handheld video game system.
@@ -385,7 +382,6 @@ _Audio editors, sounds collections and more._
 - :tada: [MilkyTracker](https://github.com/milkytracker/MilkyTracker) - open source tracker for Mac/Linux/Windows platforms.
 - :tada: [musagi](http://www.drpetter.se/project_musagi.html) - open source, fairly large and sophisticated music editor and synthesizer
 - :moneybag: [Resemble](https://www.resemble.ai/unity) - Resemble's voice cloning engine within Unity
-- :tada: [Sekaiju](http://openmidiproject.osdn.jp/Sekaiju_en.html) - Open Source MIDI sequencer.
 - :free: [Soundation](https://soundation.com/) - Online Professional music studio.
 - :free: [SunVox](http://www.warmplace.ru/soft/sunvox/) - a small, fast and powerful modular synthesizer with pattern-based sequencer (tracker).