https://chromewebstore.google.com/detail/twgroupdm-twitter-groupch/gplingcoiejcofadmbnpaefmoapgahdm?hl=en
TwGroupDM - Twitter GroupChat Mass Sender - Chrome Web Store
X/Twitter Group Chat Automation DM tool, Send mass DM (direct message) to group chat.
twittergroupchatmasssenderchrome