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Topwith code under GNU General Public License v3.0 (GPL) (239 results)

Explore tools with code under GNU General Public License v3.0 (GPL) on itch.io · Upload your tools with code under GNU General Public License v3.0 (GPL) to itch.io to have them show up here.

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Retro shaders on top of any Windows app
Simple normal map generator for 2D sprites!
Help in the evaluation of upscalers, upscan converters, line doublers and of course TV processing of 240p video.
A lightweight yet highly customisable pngtuber app
Display your Nintendo games on Discord.
An unofficial Android client for itch.io
A digital toolset for the LANCER TTRPG
Massif PressVerified Account
Essential plugin for all Eli plugins in RPG Maker MV/MZ!
Your Ultimate Virtual Tabletop for Tabletop RPGs
A Blender 3D add-on for CSG style level creation inspired by old-school level editors like Unreal 1&2 and DoomEd.
Full SAMMI download including SAMMI Core, SAMMI Deck and SAMMI Bridge
Canvas Presets scripts made for Aseprite
RetroBat is the best solution to play your ROMs collection on Windows !
The node-based painting program
A simple 2D animation tool
Run any game (old or new) with any gamepad (old or new)
An automatic music generator for your projects!
An Aseprite plugin-extension to preview Minecraft Skins.
Touchscreen Extension is a useful script for the Aseprite Software. It gives helpful shortcuts for PC Tablet owners.
Modern and powerful color management software
A JavaScript text adventure game engine
Run in browser
Convert & compress everything in 2 clicks!
Easily download and update Dedicated Server on your Root!
Free Waveform Audio Visualizer
GB studio plugin to swap BG tiles.
A project that showcases Godot's different Tween types with various examples!
Run in browser
Test your gamepad vibration! ;3
Configure your Logitech steering wheel in Linux
Create and share visual novels without any programming skills!
Show the branches of your Ren'Py visual novel in a fancy graph! Online and offline version available
Retro Look Pro is a Unity advanced Post-processing effects pack. Fantastic oldschool,retro,CRT/TV/VHS/80s/90s effects
A free and open source Music tool to tag, organize and listen to your favourite music
An open-source map generator for Dominions 6
Run your PNGTuber / VTuber avatar with a web browser
Run in browser
A simple but elegant launcher for emulators and pc games
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