
Zulip
Zulip is an open-source group chat app that uses threaded conversations for organized communication. It supports integrations and can be self-hosted.

Regal.io
Regal.io is an AI-powered customer experience platform that tailors interactions using AI and human agents to enhance customer engagement.

Happeo
Happeo is an intranet platform that centralizes knowledge and communication, facilitating collaboration through customizable pages, channels, and a company directory.

Xeno
Xeno is an AI-driven CRM that helps retailers boost repeat sales by personalizing marketing campaigns through various channels.

SMS Broadcast
SMS Broadcast allows businesses to send bulk SMS messages online easily and affordably, supporting both individual and mass campaigns.

Quiq
Quiq is a messaging platform for enterprises, allowing customers to text companies via SMS and chat apps, while enabling agents to manage conversations efficiently.

SMS.to
SMS.to is a web platform and API that enables businesses to communicate with customers via SMS, WhatsApp, and Viber, allowing for personalized messaging and analytics.

SignalWire
SignalWire is a cloud communications platform for voice, video, and SMS, offering APIs for integration and AI-driven call handling features.

smoove
Smoove is a marketing automation platform that helps businesses engage and manage relationships with current and potential customers.

Bird
Bird CRM facilitates communication between businesses and customers through various channels like SMS, Voice, and Email, serving nearly 20,000 customers globally.

Clerk Chat
Clerk Chat enables SMS and MMS messaging on existing numbers, supporting communication across channels like Slack and Microsoft Teams with analytics and automation features.

Telzio
Telzio is a VoIP solution for managing business phone services, offering features like call recording, forwarding, and analytics, with support for unlimited users.

Burst SMS
Burst SMS is an online SMS service for sending bulk messages, automated reminders, and managing SMS marketing campaigns with integration and analytics.

SMS-Magic
SMS-Magic is a CRM messaging platform facilitating business communication via SMS, WhatsApp, and Facebook Messenger, enhancing customer engagement and support.

Aloware
Aloware is a cloud-based phone system that enables SMBs to manage customer communications through calls, SMS, and email from a single dashboard.

Texting.io
Texting.io is a business SMS platform for 1-on-1 and mass texting, appointment reminders, and recurring texts, with user-friendly messaging across devices.

Call Loop
Call Loop is a communication app that automates calls and SMS messages, helping users manage contacts and send alerts efficiently.

Squaretalk
Squaretalk is a business communication platform that provides call management, CRM integration, and multi-channel messaging to enhance customer interactions.

BulkSMS
BulkSMS is a messaging platform for businesses to send SMS messages efficiently, including bulk notifications, transactional alerts, and promotional communications.

Textedly
Textedly is an SMS marketing platform that enables businesses to send mass texts, manage contacts, schedule messages, and track engagement effectively.

Diligent Administrator
The Diligent Administrator app aids governance professionals in managing administrative tasks like agenda creation, policy management, and meeting organization.

Omnisend
Omnisend is an email and SMS marketing platform for ecommerce, offering automation, segmentation, and integration with popular online stores to enhance customer engagement.

Gmelius
Gmelius is a collaboration platform that integrates with Google Workspace, enhancing email management and teamwork within Gmail and connecting to other tools like Slack and Trello.

MessageDesk
MessageDesk is a business text messaging app that enables organizations to manage SMS communications for service, sales, and support across various industries.

Trengo
Trengo is a customer engagement platform that centralizes communications from multiple channels, automates responses, and enhances team collaboration.

DialMyCalls
DialMyCalls is a mass notification app that allows users to send phone calls, SMS, and emails to large groups quickly and easily.

Superworks
Superworks is an HRMS app that automates payroll, manages employee data, tracks performance, and streamlines HR processes for small to medium-sized businesses.

Rainbow
Rainbow offers online communication tools for collaboration, time management, security, and privacy.

Freshmarketer
Freshmarketer is a marketing automation platform that helps teams personalize customer experiences, automate communications, and analyze campaign performance across various channels.

CommPeak
CommPeak is a cloud-based communication solution that provides customizable contact center services, VoIP, SMS, and analytics for efficient business operations.
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