Tech
Arstechnica
Hacker News
TheReg / OSNews
Schneier / Techdirt
SS64 Forum
DosTips

Tools
Alphabetize
Conversions
email header
EzGif / SnapTik
Google Translate
.ics calendar file
Passwords
PDF Editor
Paletton
Readability
Redketchup
Regexr
Screenshot Guru
Small PDF
Tally forms
Text Mechanic
ToHTML
WiFi QR Code
JustDelete.me / SimpleOptOut

Cloud status
Alibaba / Amazon
Apple / Google / Microsoft

Web Testing
FreshPing / DownForAll
Goog Apps / Color Test
Observatory.Mozilla
PortCheck
NetCraft tools / SSL Labs
EFF Tracks / Webcompat

Zeitgeist
NewsBlur
Digg.com
Kottke / Waxy
McSweeneys
Radiolab
Sapiens
Vulture
XKCD

email
Gmailbasic
FastMail / Mailbox
Outlook / ProtonMail
Doodle / Trello
TinyLetter

Travel
Flight Radar
GoogleFlights
Kayak
LonelyPlanet
Quiet Restaurants
Rome2Rio
SeatGuru

Maps
Google Maps / MyMaps
Mapcode / Plus.Codes / W3W
Route Planner
Open Street Map
OrganicMaps
Bing maps

Security
BitLocker keys
CVE Details
VirusTotal

News
Google News
BBC / Sky / FT
AP News / Al Jazeera
New Yorker / NYT
Daily Beast / Gothamist
Vox / Teen Vogue
The Guardian
AllSides
Cache: Archive.today

Shopping
PC Keyboards / WASD
eSims for Gaza
Trustpilot / FakeSpot
Seggiano / Kinto
Rtings / KK Cool Tools

Books
Biblio / Hive
TheStoryGraph
Libro audio books

Photo/video
Flickr / Photo.net
Befunky / Unsplash
Pexels / Pixabay
Vimeo / YouTube

Movies/video
Metacritic
YouTube

Music
Bandcamp
Apple Music / Tidal
DR Db / Discogs
LoudnessPenalty
Patatap

Search
Duck Duck Go / Bing
Google / old / ncr
GoogTrends / Advanced
history/activity/ads

Office
Office / OneDrive
Google docs / Drive

File/Image sharing
Box
CryptPad
imgur
Hastebin
Linktr.ee
Pastebin
PostImages
SendSpace
WeTransfer
Wormhole

Courses
Harvard / MIT / Yale
Codecademy
Coursera / Udacity
Edx / StoryLearning

Reference
Ask Metafilter
AccuWeather
Forvo pronounce
Golden Hour
Wayback Machine
Wikipedia
World Time