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Topwith code under GNU General Public License v3.0 (GPL) (238 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.
An unofficial Android client for itch.io
Display your Nintendo games on Discord.
A lightweight yet highly customisable pngtuber app
A digital toolset for the LANCER TTRPG
Massif PressVerified Account
A tool to create heroquest cards
Run in browser
Essential plugin for all Eli plugins in RPG Maker MV/MZ!
The node-based painting program
Your Ultimate Virtual Tabletop for Tabletop RPGs
Canvas Presets scripts made for Aseprite
An Aseprite plugin-extension to preview Minecraft Skins.
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
RetroBat is the best solution to play your ROMs collection on Windows !
Run any game (old or new) with any gamepad (old or new)
A simple 2D animation tool
GB studio plugin to swap BG tiles.
Touchscreen Extension is a useful script for the Aseprite Software. It gives helpful shortcuts for PC Tablet owners.
Modern and powerful color management software
Easily download and update Dedicated Server on your Root!
Convert & compress everything in 2 clicks!
A JavaScript text adventure game engine
Run in browser
An automatic music generator for your projects!
Application for audio / midi music from fractals.
Free Waveform Audio Visualizer
fast and simple painting software
Play a common event every time the players close/exits the menu.
Configure your Logitech steering wheel in Linux
A simple but elegant launcher for emulators and pc games
A project that showcases Godot's different Tween types with various examples!
Run in browser
Create and share visual novels without any programming skills!
Retro Look Pro is a Unity advanced Post-processing effects pack. Fantastic oldschool,retro,CRT/TV/VHS/80s/90s effects
Test your gamepad vibration! ;3
An open-source map generator for Dominions 6
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