Messaging

GatewayAPI is a reliable and scalable global SMS gateway with a comprehensive API and numerous integrations for businesses of all sizes.

Eclipse Mosquitto is a lightweight, open source MQTT broker ideal for IoT applications.

OpenTouch Message Center (OTMC) was a unified messaging application providing voicemail, fax, and email management, but is now discontinued.

seven is a reliable and easy-to-use business messaging gateway offering SMS sending and receiving solutions via API, web app, email, and direct app integration.

SMS.to is a versatile platform offering bulk SMS, SMS marketing, and SMS API services for enhanced customer communication.

Smstools offers a reliable and easy-to-integrate SMS gateway API for sending and receiving SMS messages worldwide, with features like webhooks and integrations with popular services.

Threema Broadcast is a secure web application for efficient one-to-many communication via instant messaging, offering features like messenger newsletters, chatbots, and centrally managed groups.

Threema Gateway enables secure and versatile messaging integration with your software, offering a superior alternative to SMS.

Threema Work is a secure and compliant business messenger that enhances team communication and boosts productivity while ensuring data privacy and compliance with regulations.

Threema Education offers a secure, private, and affordable instant messaging solution for schools and universities, facilitating efficient communication while protecting student and teacher data.

Threema OnPrem is a self-hosted, highly secure enterprise messaging solution providing total data ownership and control.

YateSMSC is a feature-rich, cost-effective Short Message Service Center (SMSC) for GSM, UMTS, and LTE networks, offering flexible configuration and robust management via a JSON API and web interface.