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Topwith code under GNU General Public License v3.0 (GPL) (252 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
Simple normal map generator for 2D sprites!
Help in the evaluation of upscalers, upscan converters, line doublers and of course TV processing of 240p video.
A lightweight yet highly customisable pngtuber app
A digital toolset for the LANCER TTRPG
Massif PressVerified Account
An unofficial Android client for itch.io
Display your Nintendo games on Discord.
A tool to create heroquest cards
Run in browser
3d virtual tabletop for tactical combat skirmish/TTRPGs
The node-based painting program
Full SAMMI download including SAMMI Core, SAMMI Deck and SAMMI Bridge
Your Ultimate Virtual Tabletop for Tabletop RPGs
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)
Convert & compress everything in 2 clicks!
GB studio plugin to swap BG tiles.
Convert MIDI files to Thirty Dollar Website songs
Touchscreen Extension is a useful script for the Aseprite Software. It gives helpful shortcuts for PC Tablet owners.
Free Waveform Audio Visualizer
A JavaScript text adventure game engine
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.
A project that showcases Godot's different Tween types with various examples!
Run in browser
Sort, search, and launch all your Quest's apps and games.
Modern and powerful color management software
Show the branches of your Ren'Py visual novel in a fancy graph! Online and offline version available
A Gtk3 program to enable extreme cooling for Lenovo laptops on Linux
Run your PNGTuber / VTuber avatar with a web browser
Run in browser
Create and share visual novels without any programming skills!
A sleek gallery template for your personal website!
Configure your Logitech steering wheel in Linux
A (real) homestuck chat client
Run in browser
An Aseprite plugin-extension to preview Minecraft Skins.
Retro Look Pro is a Unity advanced Post-processing effects pack. Fantastic oldschool,retro,CRT/TV/VHS/80s/90s effects
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