Game Engines/Authoring

• Godot - Multiple Modern Platforms - GDScript/C++/C#/VisualScript
• Simulant - Sega Dreamcast, PSP, Windows, Mac, Linux & Android - C++
• UltraEd - Nintendo 64 - C/C++
• Jo-Engine - Sega Saturn - C
• LoveDOS - DOS - Lua
• Butano - Game Boy Advance - C++
• GBStudio - Game Boy & Game Boy Color
  • GBSenpai - Game Boy Advance & Nintendo DS
• Stardust - PSP, Windows, Mac & Linux. (PS2 & PS Vita support coming soon)
• Integrity - Dreamcast, PSP, Windows, Mac & Linux.
• RedPill Game Creator - Amiga
• NESMaker - NES
• DVDStyler - Interactive DVD Games
• SNES
• CD-i
• Starling - Flash/Ruffle - Actionscript
• Coldstone - Classic Macintosh
• Adventure Creator - Classic Macintosh
• Adventure Simulator - Classic Macintosh
• ONELua/Scratch onPSP - Playstation Portable & Playstation Vita - SNAP!/Lua
• Nitro Engine - Nintendo DS

SDKs

• JagStudio - Atari Jaguar - Assembly, BASIC & C.
• Nuon Official SDK - Nuon - C
• PSY-Q - PS1 - C
• PSn00b - PS1 - C
• N-Gage SDK - C/C++
• Pokèmon Mini - Assembly, C
• GameComHDK - Tiger Game.com
• Android Studio - Android - Java

Other Tools

• Goldeneye Setup Editor - Nintendo 64
• Dreamcast CDi Tool - Dreamcast

Dev Tutorials

Homebrew

• 3DO - C
• PSP Tool Chain - Platstaion Portable - C++/Rust/Zig
• PS1 - C
• N64 - C
• BD-j/Blu-Ray - Java
• Goldeneye Setup Editor (Nintendo 64)
• Atari 2600
• LCD Games
• J2ME - Java
• Goldeneye-Style Facemnapping Tutorial

Code Editors/IDEs

• VSCodium
• IntelliJ/IDEA

Asset Building

2D

• GIMP
• Paint.Net
• LibreSprite
• Piskel
• Inkscape

3D

• Blender
• Wings 3D

• Audacity
• LMMS

Fonts

• FontForge
• DaFont

Royalty-Free Resources

• (CG) Textures
• OpenGameArt
• FreeSound.org

Documentation & Presentations

• LibreOffice
• Notepad++
• Notepadqq
• ASCII-Generator

Online Presence

Building

• Brackets
• BlueGriffon
• KompoZer

Blogging

• Publii

Publishing

• XAMPP
• FileZilla
• roll-your-gopher
• Finger.Farm

Physical Media

Artwork

• UnderCoverXP

Production

• Kunaki
• Band CDs
• EditHouse
• ImgBurn
• CDBurnerXP

Image & Video

Recording

• Lightshot
• ShareX
• FlameShot
• OBS Studio

Editing

• Kdenlive
• Olive

Compression/Conversion

• HandBrake
• FormatFactory
• GifCurry
• TinyPNG
• GIF Compressor

Versioning/Backup

• Git
• EasyMercurial
• GitLab
• MEGA

Productivity

• Tomato.es
• The Pomodoro Tracker
• Trello

Other

• VCDgear