DeArrow/Community
Android
Thumbnails only
TV
Android TV
SmartTube supports title and thumbnail replacements
Samsung TV
TizenTube supports title and thumbnail replacements
Desktop
FreeTube supports title replacement
yt-dlp plugin Replaces titles when using yt-dlp
Terminal
terminal-yt supports title replacement
dearrow-cli is a DeArrow browser frontend for titles and can be used to vote for submissions
Discord
DeArrow Discord bot by cane. Automatically replaces YouTube embeds with thumbnails and titles from DeArrow
BetterDiscord Plugin by SuperManifolds (Alex Sørlie)
Vencord Plugin by Vendicated
sb-lookup by mchangrh. Replaces title and thumbnail of Discord embeds with thumbnails and titles from DeArrow
koutube by iGerman00. Replaces titles and thumbnails in Discord embeds
User Scripts
https://github.com/mchangrh/dea.js by mchangrh
Websites
DeArrow Browser by mini_bomba. A database explorer for DeArrow inspired by SB Browser with an in-memory server-side database. Main instance updates every 90 minutes. (Source code)
Other
YouTube-Agent.bundle by ZeroQI. A Plex Movie & TV Series library metadata agent
gobot by Brawl345. Telegram bot