Say I spent 20 k hours on my game, and everything below took 2000 k hours to build. My own efforts only contributed to 1% of my game.
Blender = sculpting heads for character portraits
Google, Duckduckgo = image references
LMMS = DAW, making music
audacity = edit and export
freesound.org = sound effects
soundcloud = music references
Vim = text editor
JavaScript, TypeScript, Python = code
Make = build automation
Git, GitLab = version control
AWS for a long time, then switched to Cloudflare, Nginx = web server
PostgreSQL for awhile, but removed = database
Firefox = web browser, debuger, profiler
developer.mozilla.org/en-US/ = web API references
w3schools.com = HTML and CSS references
Godaddy to Namecheap = domain name
Linux = operating system
LibreOffice Writer = outline, notes
thesaurus.com
merriam-webster.com = dictionary
imdb.com = market research
scriptslug.com = screenplay references
tvwriting = screenplay references
scripts.tv-calling.com/archives = screenplay references
comedy central (YouTube) = comedy references
laugh factory (YouTube) = comedy references
dry bar comedy (YouTube) = comedy references
YouTube
Wikipedia
Quora
StackOverflow
Steam = market research
Reddit = memes, news