Fonoster - The open-source alternative to Twilio

Fonoster is the Open Source Twilio Alternative. It helps tp engage with your customer with voice or messaging with a single easy-to-use platform.

Its features include:

• Cloud initialization with Cloud-Init
• Multitenancy
• Easy deployment of PBXs functionalities
• Programmable Voice Applications
• NodeJS SDK
• Web SDK
• Support for Amazon Simple Storage Service (S3)
• Secure API endpoints with Let's Encrypt
• Authentication with OAuth2
• Authentication with JWT
• Role-Based Access Control (RBAC)
• Plugins-based Command-line Tool
• Support for Google Speech API
• Experimental support for Cloud Functions
• Experimental support for Secret management