Top free tools tagged Open Source

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Explore tools tagged Open Source on itch.io · Upload your tools to itch.io to have them show up here.

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PNGtubing App!

A simple and easy-to-use library to enjoy videogames programming.

Ray

Godot Engine

Free and open source 2D and 3D game engine

Godot Engine

GIF

Sprytile

A Blender add-on for building tile based low-poly scenes with paint/map editor like tools

Jeiel Aranal

SLK_img2pixel

Convert images/textures to pixel art

Lukas Holzbeierlein

Usagi Engine

2D pixel art game engine for rapid prototyping

Brett Chalupa

GIF

vdcrpt - video corruptor

Destroy videos in weird and interesting ways.

branchpanic

Mitch

An unofficial Android client for itch.io

gardenapple

Tuesday JS visual novel engine

simple web-based free and open-source visual novel editor, it can be used in web browser.

Kirill Live

Run in browser

GIF

SpookyGhost

Open source procedural sprite animation

Encelo

DOSBox Pure

DOSBox reimagined, with a friendly interface, ZIP loading and save states

Schelling

Fractal Sound Explorer

Listen to fractals or just explore

CodeParade

Pitch – CSS Components and Tweaks for Your itch.io Pages

CSS components & tweaks to spice up your itch.io pages.

nnda

Run in browser

OGMO Editor

A free, open source, project oriented level editor made for indie game developers by indie game developers.

OGMO Editor

VideoGameCapture an alternative Capture card Software. OpenSource (GPLv3)

An alternative to the Elgato Game Capture Software for all Capture cards

ImmerNochNoah

void◆sprite

free pixelart editor

cntrpl

Run in browser

Modular Asset Staging Tool

Unity editor plugin for level design

Keith at Fertile Soil Productions

OHRRPGCE

Official Hamster Republic Role Playing Game Construction Engine

James Paige / Bob the Hamster

Ninty Launcher

Nintendo Switch-styled launcher.

NinStar

ASCII Art Paint

The editor for ASCII-graphics, combining a graphical editor and an image to text converter.

Kirill Live

Run in browser

Zoner

A tool for building static blogs!

Ryan Trawick

AnimeEffects

A simple 2D animation tool

Yukusai

projectM Music Visualizer

Cross-platform music visualization. Open-source and Milkdrop-compatible

codav

Narrat

Narrat is an interactive fiction game engine

Liana

Wicked Engine

3D engine with modern graphics

turanszkij

Piano Trainer

A MIDI utility for learning scales, chords, and more!

ZaneH

Linear Spectrum and Oscilloscope Visualizer

FOSS music visualization tool

Aaron F. Bianchi

Ultimate 2D Platformer Controller - Godot 2D Character Controller

Make the perfect character for your 2D platformer in Godot! Try it out in this demo!

Noasey

Run in browser

PyNGtuber - a really personalizable PNGtuber App

A really personalizable PNGtuber app

Gemmstone

Baldi's Basics Classic 1.4.3 Decompile[OFFICIAL]

BBCD143

KickstaretrBaldi

mspaintCompanion (Layers for MSPaint)

mspaintcompanion is a tool crafted from spite

Talon Zane

GIF

Ct.js game engine

Create cool 2D games with a free game maker!

Ct.js

WiPersona - PNGTuber on Web Browser

Run your PNGTuber / VTuber avatar with a web browser

ItsZariep

Run in browser

Metallics by Draneria ✦ Free Krita Brushes

Everything from glitter and gold leaf to hammered metal.

Draneria

GIF

godots

Ultimate go-to hub for managing your Godot versions and projects

MakovWait

Lightning Launcher

Sort, search, and launch all your Quest's apps and games.

Ethan M.

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Top freeToolsGamesToolsGame assetsComicsBooksPhysical gamesAlbums & soundtracksGame modsEverything elsetagged Open Source (425 results)

New itch.io is now on YouTube!

Top free
Games Tools Game assets Comics Books Physical games Albums & soundtracks Game mods Everything else
tagged Open Source (425 results)