Email & Messaging

Top N Ranked

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Company Size

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Technology

Showing 1–25+ results

Domain	Company	Category	Country	Employees	Revenue	Rank
live.com	–	Email	–	–	–	21
whatsapp.net	–	Text & Instant Messaging	–	–	–	32
whatsapp.com	WhatsApp	Text & Instant Messaging +3	US	1K-5K	$116.6B	54
wa.me	WhatsApp	Text & Instant Messaging +3	US	1K-5K	–	70
apache.org	The Apache Software Foundation	Other	US	1K-5K	–	123
outlook.com	–	Email	–	–	–	130
mailinabox.email	Mail-in-a-Box	Email +3	–	–	–	134
gmail.com	–	Email & Messaging	–	–	–	222
telegram.org	Telegram Messenger	Text & Instant Messaging +3	GB	11-50	–	242
openai.com	OpenAI	Email	US	251-1K	$28M	250
slack.com	Slack	Text & Instant Messaging	US	1K-5K	$903M	340
line.me	LINE	Text & Instant Messaging +2	US	–	–	398
telegram.me	Telegram Messenger	Text & Instant Messaging +3	GB	11-50	–	401
live.net	–	Email & Messaging +1	–	–	–	550
discordapp.com	Discord	Voice & Video Chat +4	US	251-1K	–	822
akismet.com	Akismet	Electronic Spam	US	1K-5K	–	1,362
vivox.com	Vivox	Voice & Video Chat +7	US	11-50	$2.2B	1,789
office365.us	–	Email & Messaging	–	–	–	1,891
max.ru	MAX.ru	Text & Instant Messaging +3	RU	–	–	1,977
wa.link	Walink	Text & Instant Messaging +3	–	–	–	1,985
signal.org	Signal Messenger	Other +2	US	51-250	–	2,019
rspamd.com	–	Electronic Spam +2	–	–	–	2,154
hotmail.com	–	Email	–	–	–	2,253
web.de	–	Email +2	–	–	–	2,351
gmx.net	–	Email +3	–	–	–	2,383