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Top freewith 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
Help in the evaluation of upscalers, upscan converters, line doublers and of course TV processing of 240p video.
Simple normal map generator for 2D sprites!
A lightweight yet highly customisable pngtuber app
A digital toolset for the LANCER TTRPG
Massif PressVerified Account
An unofficial Android client for itch.io
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
The node-based painting program
Tool for creating games for ZX Spectrum visually using Tiled and the ZX Drawer image editor.
Full SAMMI download including SAMMI Core, SAMMI Deck and SAMMI Bridge
A tool to create heroquest cards
Run in browser
Your Ultimate Virtual Tabletop for Tabletop RPGs
Convert & compress everything in 2 clicks!
Sort, search, and launch all your Quest's apps and games.
A simple 2D animation tool
Canvas Presets scripts made for Aseprite
An Aseprite plugin-extension to preview Minecraft Skins.
RetroBat is the best solution to play your ROMs collection on Windows !
Run any game (old or new) with any gamepad (old or new)
An automatic music generator for your projects!
Modern and powerful color management software
An open-source, fully offline gallery organization tool
A Blender 3D add-on for CSG style level creation inspired by old-school level editors like Unreal 1&2 and DoomEd.
A (real) homestuck chat client
Run in browser
3d virtual tabletop for tactical combat skirmish/TTRPGs
Convert MIDI files to Thirty Dollar Website songs
Run your PNGTuber / VTuber avatar with a web browser
Run in browser
GB studio plugin to swap BG tiles.
Free Waveform Audio Visualizer
A sleek gallery template for your personal website!
Touchscreen Extension is a useful script for the Aseprite Software. It gives helpful shortcuts for PC Tablet owners.
A project that showcases Godot's different Tween types with various examples!
Run in browser
Play a common event every time the players close/exits the menu.
Easily download and update Dedicated Server on your Root!
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