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Topwith code under GNU General Public License v3.0 (GPL) (256 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!
An unofficial Android client for itch.io
A digital toolset for the LANCER TTRPG
Massif PressVerified Account
A lightweight yet highly customisable pngtuber app
Display your Nintendo games on Discord.
The node-based painting program
An alternative to the Elgato Game Capture Software for all Capture cards
Full SAMMI download including SAMMI Core, SAMMI Deck and SAMMI Bridge
3d virtual tabletop for tactical combat skirmish/TTRPGs
RetroBat is the best solution to play your ROMs collection on Windows !
A simple 2D animation tool
Canvas Presets scripts made for Aseprite
Run any game (old or new) with any gamepad (old or new)
An Aseprite plugin-extension to preview Minecraft Skins.
Your Ultimate Virtual Tabletop for Tabletop RPGs
A JavaScript text adventure game engine
Run in browser
Modern and powerful color management software
A project that showcases Godot's different Tween types with various examples!
Run in browser
Tool for creating games for ZX Spectrum visually using Tiled and the ZX Paintbrush image editor.
Touchscreen Extension is a useful script for the Aseprite Software. It gives helpful shortcuts for PC Tablet owners.
A Blender 3D add-on for CSG style level creation inspired by old-school level editors like Unreal 1&2 and DoomEd.
Run your PNGTuber / VTuber avatar with a web browser
Run in browser
A sleek gallery template for your personal website!
A Dungeon Crawler Designer for your GB Studio project!
Run in browser
Convert & compress everything in 2 clicks!
Sort, search, and launch all your Quest's apps and games.
GB studio plugin to swap BG tiles.
Import fonts from various niche formats for use in creating Decker decks.
Run in browser
Configure your Logitech steering wheel in Linux
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
Free Waveform Audio Visualizer
Convert MIDI files to Thirty Dollar Website songs
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