Top 12 Open-Source Alternatives to BulkSMS

BulkSMS

SMS messaging service provider offering two-way SMS communication services.

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Pricing:

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Product categories

Business Text Messaging Chat SDK Communication Customer Engagement Instant Messaging Messaging SMS Marketing Sms Gateway Telecommunications Text Messaging Voice And Messaging API Web And Video Conferencing

Summary

The top open-source alternatives to BulkSMS are Twilio, Melrose Labs SMSC Simulator, and OpenTok. 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
Melrose Labs SMSC Simulator Landing Page
2

Melrose Labs SMSC Simulator

SMPP SMSC simulator to test SMS messaging applications.
Pricing:
- Open Source
- Freemium
- Free Trial
#Messaging #Communication #Text Messaging
OpenTok Landing Page
3

OpenTok

Build a custom video experience using our robust APIs, or add plug-and-play video to your website in minutes using Video Chat Embeds. Start Building for FreeTalk to SalesTalk to Sales .
Pricing:
- Open Source
#Messaging #Communication #Cpaas
Chatti Landing Page
4

Chatti

Business communication SMS platform trusted by the world's leading brands. Earn Qantas Points with every SMS sent with 100% delivery.
Pricing:
- Open Source
- Freemium
- Free Trial
#Communication #Telecommunications #Voice And SMS
SignalWire Landing Page
5

SignalWire

A next-generation communications API and collaboration platform. Powered by a global elastic cloud network featuring APIs for video, voice, messaging, and collaboration products like SignalWire Work, SignalWire Events, and more.
Pricing:
- Open Source
- Paid
- Free Trial
#Telecommunications #Web And Video Conferencing #Video Conferencing 3 social mentions
GuniSMS Landing Page
6

GuniSMS

Fastest & Affordable SMS Marketing Solutions
Pricing:
- Open Source
- Freemium
- Free Trial
- AU$16.0 / Monthly
#Business Text Messaging #SMS Marketing #Sms Gateway
RingCentral Landing Page
7

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
Maytapi Landing Page
8

Maytapi

Serverless Whatsapp Api with Chat and Agent support.
Pricing:
- Open Source
#Messaging #API #API Tools 1 social mentions
TextBelt Landing Page
9

TextBelt

Send text messages to any phone via Terminal!
Pricing:
- Open Source
#Communication #Text Messaging #SMS Marketing 9 social mentions
Telegram Landing Page
10

Telegram

Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Pricing:
- Open Source
#Communication #Messaging #Instant Messaging 129 social mentions
Signal Landing Page
11

Signal

Fast, simple & secure messaging. Privacy that fits in your pocket.
Pricing:
- Open Source
#Communication #Group Chat & Notifications #Messaging 180 social mentions
CometChat Landing Page
12

CometChat

Seamless Real-Time Chat Integration for Your Applications.
Pricing:
- Open Source
- Freemium
- Free Trial
- $109.0 / Monthly (Based on the Monthly Active Users (MAUs))
#Chat SDK #Communication #Voice And Messaging API 4 social mentions