Chrome //
Extensions 
Chrome
Web store
select chrome_id_no,plugin_tag_line,plugin_name,plugin_icon,sitemap_url,oldvsnew_comment from final_chrome_totaldata_sept2022 where MATCH(plugin_name) AGAINST('+bulk +messenger' IN Boolean MODE) order by users desc
Bulk Messenger
Bulk Messenger lets you automatically outreach to people on Facebook, through Facebook Messenger.
Messenger Bulk Sender - FB Messager DM Bot
Send mass DM (direct message) to specify users for Facebook Automation.
Automated Bulk Whatsapp Messenger
This extension helps in sending dynamic Whatsapp Messages in bulk- By FusionHawk