CURATED
Links
Some of the best places on the internet, in my opinion, organized by category.
INDIE PORTALS
Itch.io
Today's most popular indie game platform. Offers full support for creators and an active community.
Newgrounds
One of the oldest and best-known game portals, accepting user content since 1999, including video and music.
Kongregate
Kongregate survived the Flash game era and still stands firm today.
GameJolt
Established platform with over 100,000 indie games of every kind.
Armor Games
Classic portal focused on tower defense games and several in-house productions.
MAKE GAMES
Construct 3 FAVORITE
My favorite platform for making 2D games. Simplifies the process enormously, runs in the browser, and has a free tier.
Unity
One of the most flexible and complete engines out there today.
Unreal Engine
Epic Games' software for making high-end 3D games, free.
GameMaker
YoYo Games' cross-platform tool for making 2D games, now hosted at gamemaker.io.
Blender
Open-source software for creating 3D models and animations.
RPG Maker
The classic tool for making RPGs without programming from scratch.
Twine
Tool for creating non-linear interactive stories.
Idle Game Maker
Online platform for developing idle-style games.
LEARN GAMES
Indústria de Jogos 
A good news source, with videos and articles about the Brazilian market.
Game Developer
Formerly Gamasutra, renamed in 2021. A go-to reference for games-industry articles and news.
Abragames 
Site of the Brazilian Association of Game Development Companies.
Udemy: Games
Game development courses, free and paid.
Direitos Autorais para Games 
Detailed article on the topic (in Portuguese). Essential reading for anyone who wants to publish.
FREE RESOURCES
Incompetech
Kevin MacLeod makes his work available for free use in projects, with credit.
Freesound
Collaborative audio database with sound effects of every kind and format.
OpenGameArt
Graphic resources for 2D games: spritesheets, animations, concept art.
Unsplash
High-quality image library, free to use.
DaFont
Rich selection of fonts to download, most of them free.
ONLINE TOOLS
Netlify
Platform for hosting and automating modern web projects. Not to be confused with Netflix.
Internet Archive
Non-profit library with millions of websites, images, videos, and songs.
FilePizza
Send files via torrent directly to another person through a temporary link.
donjon RPG Tools
A classic toolkit for fantasy-world and RPG enthusiasts.
GameAnalytics
Tool for analyzing game data across multiple platforms.