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Top sellingwith code under GNU General Public License v3.0 (GPL) (74 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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RetroBat is the best solution to play your ROMs collection on Windows !
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!
Crash into the 80s with an open source drum synth inspired by hexagonal classics. Available as VST3/AU.
Full SAMMI download including SAMMI Core, SAMMI Deck and SAMMI Bridge
A physically modeled chill lo-fi piano synth. Available as VST3/CLAP/AU.
A free, open source, crowdsourced GUI.
Run in browser
A mininal but complete colorpicker desktop app
Real Time Translation Tool
Display your Nintendo games on Discord.
Your Ultimate Virtual Tabletop for Tabletop RPGs
A digital toolset for the LANCER TTRPG
Convert & compress everything in 2 clicks!
A Blender 3D add-on for CSG style level creation inspired by old-school level editors like Unreal 1&2 and DoomEd.
Essential plugin for all Eli plugins in RPG Maker MV/MZ!
An unofficial Android client for itch.io
An open-source map generator for Dominions 6
Touchscreen Extension is a useful script for the Aseprite Software. It gives helpful shortcuts for PC Tablet owners.
Run any game (old or new) with any gamepad (old or new)
Procedural modeling in Blender using Node Editor
Easily download and update Dedicated Server on your Root!
A simple but elegant launcher for emulators and pc games
Retro Look Pro is a Unity advanced Post-processing effects pack. Fantastic oldschool,retro,CRT/TV/VHS/80s/90s effects
Free and open source screenwriting app for macOS
A simple and opinionated modal code editor for your terminal
An FM drum synth with the cold clanging heart of a DX7 in the fearsome frame of an 808. Available as VST3/CLAP/AU.
A Classic BASIC interpreter for the Z80 instruction set.
This is an app with which you can customize your Discord Rich Presence.
compress iso to cso from android
A hybrid drum synth modeling gritty lo-fi beats without sampling. Available as VST3/CLAP/AU.
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