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Topwith code under GNU General Public License v3.0 (GPL) (306 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
Laigter
$4.99
Simple normal map generator for 2D sprites!
A lightweight yet highly customisable pngtuber app
An unofficial Android client for itch.io
A digital toolset for the LANCER TTRPG
Massif PressVerified Account
Display your Nintendo games on Discord.
An alternative to the Elgato Game Capture Software for all Capture cards
CSS components & tweaks to spice up your itch.io pages.
Run in browser
Canvas Presets scripts made for Aseprite
Your Ultimate Virtual Tabletop for Tabletop RPGs
A tool to create heroquest cards
Run in browser
The node-based painting program
A video editor made with Godot and FFmpeg by Voylin's Gamedev Journey!
Sort, search, and launch all your Quest's apps and games.
Full SAMMI download including SAMMI Core, SAMMI Deck and SAMMI Bridge
A simple 2D animation tool
An Aseprite plugin-extension to preview Minecraft Skins.
Convert & compress everything in 2 clicks!
Tool for creating games for ZX Spectrum visually using Tiled and the ZX Drawer image editor.
RetroBat is the best solution to play your ROMs collection on Windows !
Run any game (old or new) with any gamepad (old or new)
Run your PNGTuber / VTuber avatar with a web browser
Run in browser
Convert MIDI files to Thirty Dollar Website songs
A set of improvements / jailbreak for the Pandora Box DX, Saga DX and King of Air 2 Pandora Boxes
A sleek gallery template for your personal website!
Open-Source 2D Animation Software
A Blender 3D add-on for CSG style level creation inspired by old-school level editors like Unreal 1&2 and DoomEd.
An open-source, fully offline gallery organization tool
Free Waveform Audio Visualizer
A project that showcases Godot's different Tween types with various examples!
Run in browser
A (real) homestuck chat client
Run in browser
A JavaScript text adventure game engine
Run in browser
Modern and powerful color management software
Flipnote Studio Player for Nintendo DS
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