- Unity - Robust and beginner-friendly.
- Unreal - Powerful engine with a steep learning curve.
- Godot - Completely free and open-source.
- PICO-8 - Encourages small, but expressive designs.
- Heaps - Mature cross platform graphics engine designed for high performance games.
- Game Maker Studio - GameMaker Studio 2 is the latest and greatest incarnation of GameMaker.
- Pixelbox.js - Lightweight Javascript engine for browser games.
- Clickteam Fustion - Easy to use game engine for beginners.
- Construct 3D - Powerful Javascript based engine with visual coding editor and more!
- gbdk-2020 - A C compiler, assembler, linker and set of libraries for the Z80 like Nintendo Gameboy.
- Phaser - Fast, free and open-source framework for Canvas and WebGL powered browser games.
- CraftyJS - Free and lightweight JavaScript framework for 2D games.
- PyGame - Free set of python modules designed for writing video games.
- libGDX - Cross-platform Java game development framework based on OpenGL.
- LÖVE - Open-source framework to make 2D games in Lua.
- Dreamlo - Add leaderboards and promocodes to your game.
- Tiled - Free, easy to use and flexible level editor.
- Audacity - Free, open source, cross-platform audio software.
- LMMS - Free cross-platform alternative to commercial programs like FL Studio
- Tracktion Waveform Free - Free, cross-platform and intuitive audio workstation
- Bosca Ceoil - Free, easy to use tool for creating music.
- Famistudio - Very simple music editor for the SNES.
- Tonnoform - Easy to use open-source 8 bit music making tool.
- cgMusic - Generate music with a certain level of quality.
- MuseScore - Create, play and print beautiful sheet music.
- BeepBox - Online tool for sketching and sharing instrumental melodies.
- bfxr - Flash + AIR sound effects generator.
- sfxr - Dead easy game sound effects generator.
- ZzFX - Sound effect generator similar to to BFXR/SFXR but reworked from the ground up.
- Blender - Open source 3D creation. Free to use for any purpose, forever.
- Magicavoxel - A free lightweight 8-bit voxel editor and interactive path tracing renderer.
- ZBrush - Industry standard for digital sculpting and painting.
- GIMP - Free and Open Source Image Editor
- Paint.NET - Free image and photo editing software
- Krita - Krita is a professional free and open source painting program.
- FireAlpaca - Free digital painting software, on Mac and Windows.
- Pyxel Edit - Pixel art drawing application especially designed for working with tiles.
- Lospec Pixel Editor - Free pixel art program that you can use right here in your web browser.
- Aseprite - Animated sprite editor and pixel art tool
- PiskelApp - Free online editor for animated sprites & pixel art
- Inkscape - Free and open source vector graphics editor.
- Figma - (Free) vector graphics editor that supports collaborative editing.
- Lospec Color Palette - Searchable collection of palettes for pixel art.
- Flat UI Colors 2 - 280 handpicked colors split into 13 palettes.
- Autodraw - Online tool to predict the placeholder images you need.
- Gaugan - Skybox generator (kind of)
- Smart upscaler - Enlarge and enhance images automatically using AI.
- ZzSprite - Procedurally generate tiny pixel art sprites with options for mutation and animation frames.
- ZzArt - Evolve HD textures for use in your games.
- Removebg - Free Online Site Which Remove backgrounds 100% automatically in 5 seconds with zero clicks.
- Easy Releasy - A downloadable template pack to create itch.io pages.
- Trello - Kanban Boards, lists, and cards to enable teams to organize and prioritize project.
- Kanban.org - Free, self-hosted Kanban project managment software
- MeisterTask - (Free) online task management tool for teams.
- Google Docs - Share text files and spreadsheets with your team.
- Machinations - (Free) online tool to prototype the internal economy of your game using Machinations language.
- Miro - (Free) online tool with infinite canvas to sketch and design prototypes.
- TomatoTimer - A pomodoro timer that is dead easy to use.
- Pomofocus - Combines tasks with a pomodoro timer to estimate when you should be done and to track progress.
- Toggl Track - (Free) time tracking for any workflow. Online, offline, or on-the-go.
- itch.io - Simple way share indie games online for free.
- Dropbox - 2 GB of storage to share photos, documents, and other files from any device.
- Google Drive - 15 GB of storage to share photos, documents, and other files from any device.
- Screen2Gif - Screen, webcam and sketchboard recorder with an integrated editor that exports to gif.
- Chronolapse - Easily create your own timelapse videos.
- All image editors - Improve your marketing material by modifying it with image editors