Dalamud	Game hooking and plugin API, fully in .NET
XIVLauncher	Feature-rich custom launcher for FFXIV

MinSharp	Minimal .NET wrapper for TsudaKageyu's MinHook
KeySharp	Cross-platform OS keychain access for C#/.NET
NetStone	All-in-one web scraping library for the FFXIV Lodestone

Other interesting stuff

ffxiv-explorer-fork	Modernized FFXIV Explorer fork
MSBTool	Tool to convert MIDIs from/to FFXIV Performance tutorial sheets
ULDPartExtractor	Tool to extract parts of FFXIV UI Textures based on UI definition rects
xl-authenticator	Android/iOS OTP authenticator app for XIVLauncher built in Flutter
OmoriDialogue	Static site generator for OMORI dialogue and maps

FFXIV Plugins

Wotsit	Spotlight-like search bar for (pretty much) everything in FFXIV
Dalamud.LoadingImage	Replaces black loading screens with beautiful FFXIV zone art
Dalamud.DiscordBridge	Privately relays chat messages, duty pops, retainer sales, etc. into a Discord server of your choice
Dalamud.CharacterSync	Safely synchronizes your main's character data to your alts
Dalamud.RichPresence	Shows a fancy Discord Rich Presence status for FFXIV, selectively containing name, world, job and zone

If there is anything urgent you need to contact me for, you can use Discord(@goat#7231) or send an email to goatsdev at protonmail.
My public key: https://keybase.io/goatz, proof