Top 4 Open-Source Alternatives to CallFire SMS

Product categories

API API Tools Chat SDK Cloud Communications Communication Communications SDK Customer Engagement Customer Interaction Group Chat & Notifications Instant Messaging Messaging Realtime Backend / API

Summary

The top open-source alternatives to CallFire SMS are Melrose Labs SMSC Simulator, WhatsApp Web, and Twilio. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Melrose Labs SMSC Simulator Landing Page
1

Melrose Labs SMSC Simulator

SMPP SMSC simulator to test SMS messaging applications.
Pricing:
- Open Source
- Freemium
- Free Trial
#Messaging #Communication #Text Messaging
WhatsApp Web Landing Page
2

WhatsApp Web

A WhatsApp client for web
Pricing:
- Open Source
#Communication #Messaging #Group Chat & Notifications 180 social mentions
Twilio Landing Page
3

Twilio

Brings voice and messaging to your web and mobile applications.
Pricing:
- Open Source
#Communication #Cloud Communications #Customer Engagement
Maytapi Landing Page
4

Maytapi

Serverless Whatsapp Api with Chat and Agent support.
Pricing:
- Open Source
#Messaging #API #API Tools 1 social mentions