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Topwith code under GNU General Public License v3.0 (GPL) (248 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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Help in the evaluation of upscalers, upscan converters, line doublers and of course TV processing of 240p video.
Retro shaders on top of any Windows app
Simple normal map generator for 2D sprites!
Display your Nintendo games on Discord.
An unofficial Android client for itch.io
A lightweight yet highly customisable pngtuber app
A digital toolset for the LANCER TTRPG
Massif PressVerified Account
Your Ultimate Virtual Tabletop for Tabletop RPGs
Full SAMMI download including SAMMI Core, SAMMI Deck and SAMMI Bridge
A tool to create heroquest cards
Run in browser
A Blender 3D add-on for CSG style level creation inspired by old-school level editors like Unreal 1&2 and DoomEd.
The node-based painting program
Canvas Presets scripts made for Aseprite
RetroBat is the best solution to play your ROMs collection on Windows !
A simple 2D animation tool
Modern and powerful color management software
Convert & compress everything in 2 clicks!
3d virtual tabletop for tactical combat skirmish/TTRPGs
Run any game (old or new) with any gamepad (old or new)
GB studio plugin to swap BG tiles.
Sort, search, and launch all your Quest's apps and games.
A (real) homestuck chat client
Run in browser
A sleek gallery template for your personal website!
A JavaScript text adventure game engine
Run in browser
Application for audio / midi music from fractals.
fast and simple painting software
A project that showcases Godot's different Tween types with various examples!
Run in browser
Show the branches of your Ren'Py visual novel in a fancy graph! Online and offline version available
Create and share visual novels without any programming skills!
A simple but elegant launcher for emulators and pc games
Configure your Logitech steering wheel in Linux
Retro Look Pro is a Unity advanced Post-processing effects pack. Fantastic oldschool,retro,CRT/TV/VHS/80s/90s effects
Free Waveform Audio Visualizer
Test your gamepad vibration! ;3
An open-source map generator for Dominions 6
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