Communication

4YouSee

Cloud-based digital signage management platform

AiSensy

WhatsApp marketing platform for campaigns, commerce, and customer engagement

Amity Social Cloud

Embeddable social features SDK for apps — chat, feeds, live streaming, and community

BlackBerry Work

Secure enterprise email, calendar, and mobility app for regulated industries

BlogIn

Simple internal blog platform for team knowledge sharing

Calilio

Modern business phone system with AI-powered VoIP

CallFire

Cloud-based voice broadcast and SMS marketing platform for mass outreach

CareMessage

Patient engagement platform for health equity in safety-net organizations

Chaskiq

Open-source customer messaging platform for marketing, support, and sales

Chatra

Live chat and messaging platform for e-commerce and small businesses

Chatwoot

Open-source omnichannel customer support platform with AI-powered automation

CM.com

Omnichannel communications and payments platform for customer engagement at scale

Courier

Customer messaging and notification orchestration platform

D7 Networks

Global messaging API for SMS, WhatsApp, and more

Dacast

Professional live streaming and video hosting platform with built-in monetization

Discourse

Civilized discussion for your community

Donut

Automate Employee Connections and Engagement in Slack

Element

Communicate on your terms

Elgg

A powerful open source social networking engine

Emplo

Employee engagement platform for communication, performance, and collaboration

Entre

Professional network for entrepreneurs, creators, and investors

EventumBot

AI-powered event chatbot for attendee communication and engagement

Exclaimer

Centralized email signature management for Microsoft 365 and Google Workspace

Exotel

Cloud communication platform powering customer engagement with voice, messaging, and AI

Firstup

AI-powered intelligent communication platform for enterprise employee engagement

Gallabox

WhatsApp Business API platform with no-code chatbots and automation

Gather

Virtual Workspace Where Remote Teams Connect Naturally

Gmail

Secure, smart, and easy-to-use email from Google

Gruveo

One-click video conferencing with no downloads required

HumHub

Open source enterprise social network and intranet platform

Interact

The employee experience platform that connects and engages your entire workforce

Intruity OneLink

All-in-one CRM, lead management, and call automation for sales-focused teams

Jitsi Meet

Secure, simple, and scalable open-source video conferencing

Kaltura

Open video platform for enterprises and education

Knock

Customer engagement infrastructure for developers

LetsDial

AI-powered cloud phone and contact center for business

Loom

Async video messaging that replaces meetings

MagicBell

Push notification infrastructure with embeddable inbox for web and mobile apps

Mastodon

Free, open-source decentralized social network

Mattermost

Open source platform for secure collaboration across the entire software development lifecycle

Web-based digital signage software for displays, room booking, and wayfinding

Migration Monster

Fast and affordable email migration between Exchange and Office 365

Moltbook

The social network built exclusively for AI agents

Novu

The open-source notification infrastructure for developers

Pagerly

Oncalls, Rotations, Incidents & Tasks on Slack/Teams

Papercups

Open-source live customer chat and messaging

PoliteMail

Internal email analytics and measurement for Microsoft 365

PostageApp

Simple transactional email API for developers who want reliable delivery without the hassle

PrivMX

End-to-end encrypted collaboration for privacy-first teams

Pusher

Leader in realtime technologies for developers

Read AI

AI copilot for meetings, emails, and messages

Relatient

Patient engagement platform for healthcare organizations

Rocket.Chat

Open-source team communication platform

Rosie

AI phone answering service that captures leads and books appointments 24/7

SecuSUITE

Military-grade encrypted voice, messaging, and file sharing by BlackBerry

Semilimes

IoT messenger platform combining team collaboration with remote device control

Slack

The AI-powered team messaging platform where work happens

SleekFlow

AI-powered omnichannel conversation suite for customer engagement

SnapCall

AI-powered video support platform for customer service teams

streamGo

Webinars, virtual events and hybrid events platform for enterprise brands

Talkroute

Virtual phone system that turns any device into a business phone — no hardware required

TextMarks

Enterprise SMS marketing and mass text messaging platform

Tinode

Open-source instant messaging platform built mobile-first

Topicbox

Team email and group discussion made simple by Fastmail

Twilio

The customer engagement platform trusted by 335,000+ businesses

Vonage Communications APIs

Programmable voice, SMS, video, and verification APIs for developers

WATI

WhatsApp Business API platform for sales, marketing, and support

Weave

All-in-one communication platform for small business

Zoko

WhatsApp commerce platform built for Shopify and D2C brands

Zulip

Organized team chat for distributed and remote teams