fix: broken links

README.md

@@ -67,7 +67,6 @@ _Great graphics placeholders and tools to turn that squared game into a picasso
 - :money_with_wings: [Kenney Assets](http://kenney.nl/assets) - Royalty free assets
 - :free: [Liberated Pixel Cup assets](http://lpc.opengameart.org) - Free graphic assets of the Liberated Pixel Cup (LPC) held by the OpenGameArt forums
 - :free: [Matcaps](https://github.com/nidorx/matcaps#matcaps) - A Huge library of matcap textures in PNG and ZMT, organized by color.
-- :free: [OpenClipart](https://openclipart.org/) - Collection of free cliparts.
 - :free: [OpenGameArt](http://opengameart.org/) - a media repository intended for use with free software game projects.
 - :moneybag: [Oryx Design Lab](http://oryxdesignlab.com/) - Cheap high quality royalty free sprites
 - :money_with_wings: [PlainTextures](http://www.plaintextures.com/) - Free high resolution textures, brushes and photos
@@ -122,7 +121,6 @@ _Great graphics placeholders and tools to turn that squared game into a picasso
 #### Animation
 
 - :money_with_wings: [Cascadeur](https://cascadeur.com/) - Powerful physics-based 3D character animation
-- :tada: [DragonBones](http://dragonbones.com) - The Open Source 2D skeleton animation solution for Flash
 - :tada: [LWF](http://gree.github.io/lwf/) - Lightweight SWF. LWF is an animation engine which can play animation data converted from FLASH contents in HTML5, Unity, Cocos2d-x, iOS UIKit, and more.
 - :moneybag: [Fusion Character Animator](http://loopengo.free.fr/) - small tool for Clickteam Fusion 2.5 to facilitate the animation of 2D character sprites for developers.
 - 🆓 [GraphicsDale](https://graphicsgale.com/us/) - Powerful tool for spriting and pixel art.
@@ -149,7 +147,6 @@ _Great graphics placeholders and tools to turn that squared game into a picasso
 - :moneybag: [Pixelator](http://pixelatorapp.com) - Turn any image into fancy pixel-art
 - :moneybag: [Pixen](https://github.com/Pixen/Pixen) - Pixel Art Editor for OSX
 - :free: [project one](http://p1.untergrund.net) - A picture converter and editor for the Commodore 64 covering different graphics mode of this computer. Windows only
-- :moneybag: [PXL8](http://www.pxl8.it) - A cross platform (Windows, Mac, Linux) pixel art editor in development which aims to be distraction free
 - :moneybag: [PyxelEdit](http://pyxeledit.com/) - Pixel art editor designed to make it fun and easy to make tilesets, levels and animations.
 - :free: [REXPaint](https://www.gridsagegames.com/rexpaint/) - a powerful and user-friendly ASCII art editor.
 - :tada: [rx](https://rx.cloudhead.io/) - a modern & minimalist pixel editor
@@ -463,7 +460,6 @@ _Blogs, portals, magazines and more_
 
 ### Game Jams
 
-- [CompoHub](http://compohub.net/) - A compilation site of many game jams in a timeline.
 - [Game jams on itch.io](https://itch.io/jams) - Listing of itch.io game jams
 - [Game Off](https://gameoff.github.com) - GitHub's game jam :octocat:
 - [GMTK Game Jam](https://itch.io/jam/gmtk-jam-2022) - Popular yearly game jam