The Stack

Technologies & Partners

A modular ecosystem for building custom, interconnected, and scalable architectures.

Telephony

FreeSWITCH

Advanced open-source communication platform for voice, video, and text.

Telephony

Asterisk

The #1 open source communications toolkit driving IP PBX systems.

Backend App

Python

High-level programming language used for scripting, AI logic, and backend automation.

Backend App

Django

High-level Python web framework encouraging rapid development and clean engineering design.

Backend App

FastAPI

Modern, fast web framework for building APIs with Python based on standard Python type hints.

Core Engineering

C/C++

Low-latency system-level programming for custom telephony modules.

Digital eXperience

React

Library for building highly interactive, real-time user interfaces.

Data & AI

PostgreSQL

Powerful, open source object-relational database system.

Data & AI

Redis

In-memory data structure store, used as a database, cache, and message broker.

Cloud Infrastructure

RabbitMQ

The most widely deployed open source message broker.

Core Infrastructure

Linux

The most secure, reliable, and fundamentally scalable operating system.

Voice AI

Pipecat

Open-source framework for building voice and multimodal conversational AI agents.

Voice AI

LiveKit

Real-time audio and video infrastructure for scaling WebRTC applications.

Mobile

React Native

Framework for building native apps for Android and iOS using React.

Mobile

Expo

Platform making universal React scalable native apps easy to develop and deploy.

Cloud Infrastructure

OpenStack

Simplify application and infrastructure deployment with this Cloud Computing solution.

Cloud Management

Kubernetes

Open source solution for automating deployment and managing containerized applications.

Telephony

Vicidial

Enterprise class, open-source, contact center suite designed to interact with Asterisk PBX.

Telephony

FusionPBX

Highly available single or multi-tenant PBX, carrier grade switch, call center server based on FreeSWITCH.

Backend App

Temporal

Microservice orchestration platform for building scalable and reliable distributed applications.