Top 6 Open-Source Alternatives to Crypton.sh - SMS

The top open-source alternatives to Crypton.sh - SMS are Twilio, Signal, and MirrorFly. 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.

Twilio Landing Page
1

Twilio

Brings voice and messaging to your web and mobile applications.
Pricing:
- Open Source
#Communication #Cloud Communications #Customer Engagement
Signal Landing Page
2

Signal

Fast, simple & secure messaging. Privacy that fits in your pocket.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 180 social mentions
MirrorFly Landing Page
3

MirrorFly

World's Most Scalable Voice, Video & Chat SDK for Small, Medium & Enterprises
Pricing:
- Open Source
- Paid
- Free Trial
#Communication #Chat SDK #Group Chat & Notifications 8 user reviews
RingCentral Landing Page
4

RingCentral

RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
Pricing:
- Open Source
- Freemium
- Free Trial
- $19.99 / Monthly (All-in-One Phone, Team Messaging, and Video Conferencing.)
#Communication #VoIP #Cloud Contact Center 3 social mentions
2nd Number Landing Page
5

2nd Number

2nd number lets you call and text to US & Canada at low rates. Make private calls, send texts, and connect internationally using your data or WiFi.
Pricing:
- Open Source
- Freemium
- Free Trial
- $10.0 / Monthly
#Communication #Telecommunications #Cloud Business Telephony
Melrose Labs SMSC Simulator Landing Page
6

Melrose Labs SMSC Simulator

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