In today’s digital world, SMS marketing remains a powerful tool with an impressive open rate. However managing bulk SMS campaigns can be expensive. If you’re looking for a cost-effective solution, then free and open-source bulk SMS-sending software is a great option. This software gives you the control and flexibility you need without breaking the bank. Here’s a look at the top 15 options to consider for your bulk SMS needs.

Top 15 Open-Source and Free Bulk SMS Software

Open-Source Bulk SMS
Source: Snoopearlth

Various open-source, free bulk SMS-sending software are available in the market. Companies can benefit from having their promotions and getting their target audience.

Here are the top 15 open-source and free bulk SMS messages software you can utilize for transmitting bulk SMS messages to your diverse customers/clients.

Attentive 

It is one of the complete Bulk SMS marketing solutions for eCommerce brands, as it drives over 20% of revenue for Rebecca Minkoff, Urban Outfitters, and Supergoop. It relies on personalized text messaging to encourage consumer action and revenue conversion. Attentive promotes engagement and conversation with the end receivers, while most text messaging platforms do not permit replies.

Components

  • It observes every user’s activity, creates a great understanding, and employs a unique method of engagement for each one.
  • It allows you to identify your clients using their demography, such as age or place.
  • It stresses Telephone Consumer Protection Act (TCPA) and Cellular Telecommunications Industry Association (CTIA) observance for their client’s protection.
  • It presents strategies to guide and ensure that you meet your KPI goals.
  • It offers a knowledge resource to access training, the most valuable practices, and approaches to creating content and boosting engagement.
  • It features customizable text messaging sign-up templates that could be used for your website.
  • It allows you to create a custom integration with associate platforms such as MailChimp and ZenDesk to facilitate workflow and unite customer data.

Pricing and Plans

Attentive only offers custom projects. No complimentary trial is available, so you must book a demo for your business to use their services.

MY SMS Mantra

My SMS Mantra is an open-source, free software for sending Bulk SMS. The client can use it just by using an online Excel plug-in, and all you have to do is download and have the Excel plug-in to stay connected to your clients via SMS.

Components

  • It handles sending single and bulk SMS instantly from your Excel sheet.
  • It also provides group SMS functionality.
  • It helps customization Bulk SMS sending speed of up to 25000/minute.
  • It gives SMS delivery reports and schedules SMS sending at a particular time.
  • It gives an online Address Book and online group management and furnishes you with Management Information System (MIS) Reports.
  • It is free and charges no setup fees and no monthly fees.
  • It has fast delivery to all networks nationwide, making premium high-speed gateways available to priority customers like commodities or stockbrokers.

Pricing and Plans

Their packages depend on the type of SMS to be sent, and the price varies on whether it is a promotional or a transactional SMS.

Messagebird

Messagebird is a message marketing solution that allows users to send and receive an SMS to and from any number worldwide. It also arranges interactions via different messaging channels, such as Whatsapp, Instagram Direct, Kakao Talk, and even Google Maps. The primary users are companies like Google, Facebook, and Uber.

Components

  • Messagebird has contacts in over 140 countries using 240 carriers.
  • It offers customizable auto-replies and automation of workflow, customer support, and tasks.
  • It can also forward SMS to email when someone responds to your messages.
  • It automates dumped cart SMS reminders.
  • It facilitates messages from multiple channels in one inbox. 
  • It offers a single-window customer thread. Agencies can also access total customer interactions, including order information and delivery details.
  • It uses Artificial Intelligence to crack languages, auto-translation, recognize emotion, and generate guided replies.
  • It gives you access to the Flow Builder, enabling you to build data channels and flows across diverse providers, systems, and tools.
  • You can send Bulk sms campaigns irrespective of the scale. It could even be millions.
  • It ensures account security by providing two-factor authentication and single-use passwords.
  • It also allows uploading images, audio, videos, location, and documents as attachments for a better user experience.
  • It has 24X7 customer support.

Pricing and Plans

A free plan that allows for up to a total of 1,000 messages received and sent. The paid plan can be customized based on needs and demands.

Twilio 

Twilio streamlines the difficulties of consumer communication and helps your business scale without hurdles. One of Twilio’s oldest investors is Amazon. Amazon Web Services now hosts Twilio’s communication structure using APIs, and other clients include Marks and Spencer and Door Dash, and it now has over 1,500 partner carriers.

Components

  • It uses the functionality of flexible Application Programming Interfaces (APIs) to propose different solutions for various clients.
  • It offers cloud-messaging APIs, and you can message clients on their desired messaging app regardless of their global location. 
  • It notifies and revises customers of their account activity, purchases, and shipping tracking numbers using programmable messaging.
  • It can deliver time-sensitive messages to customers and employees on a large scale.
  • It lets you build customer associations using cross-channel communications.
  • It safeguards the security of users by offering one-time passwords for verification.
  • It can swap between manual replies and using artificial intelligence and bots at any point in an exchange.
  • It edits the text body and phone numbers for security purposes.
  • It translates content across different channels.
  • It analyzes message deliverability, monitors engagement and conversions, and furnishes performance trends that the carrier, channel, or country can sort.
  • It customizes customer profiles and pulls data from your CRM so your SMS marketing agents can provide a more personalized experience.

Pricing and Plans

The price varies depending on the country you send messages to and from. The type of message sent and the server used. Twilio uses a pay-as-you-go system and offers country-specific prices. 

Text Magic

Text Magic has been in the industry since 2001 and is one of the most uncomplicated yet detailed apps to date. They deliver over 15 million messages through their program every month, and they handle 20,000 businesses worldwide, with engagement in the United States, the United Kingdom, Canada, and Australia. It is positively rated on Trust Pilot, Capterra, and G2, with an average of 4.9 stars.

Components

  • It has a cross-section of 190 countries where they send texts directly. 
  • It has the provision of email to SMS gateway. 
  • Its software is consistent with your PC or Mac for easier access and functionality, and an app downloadable for iOS and Android.
  • It can forward essential emails as SMS using distribution lists.
  • For your convenience, it allows you to pre-schedule important text alerts, such as campaigns and reminders and is an image, PDF, and Word file-friendly app.
  • It has access to mobile numbers via an Excel sheet, which makes input and automation easier and faster.
  • Here the customers have the privilege to unsubscribe from your messaging lists.
  • It supplies performance reports and analytics, including delivery reports, reply stats, and costs.
  • It corroborates carriers and numbers to avoid unnecessary costs.
  • It has an SMS gateway API that seamlessly agrees with your website. There is no message loss since they are fully backed up.
  • The messages can have 918 characters.

Pricing and Plans

Text Magic accounts are entirely free, and it has all premium features. You are charged for the text you send; the price per text varies depending on the country. 

Atomic SMS Sender

Atomic SMS Senders can send bulk SMS messages from their phones or computers, covers more than 200 countries, and supports over 700 mobile operators. 

Components

  • It covers all languages.
  • SMS sending has anti-abuse support for most carriers and countries.
  • There is no size limit. 
  • SMS can be scheduled.
  • It offers delivery reports.
  • It can send a text message in the GSM and Unicode alphabet.
  • It delivers SMS within a minute.
  • It helps interface with other applications via its API.

Pricing and Plans

It has demand-based pricing, and the pricing is dependent on the SMS bulk per month. They present extra discounts depending on the SMS volume and ten free SMS for their user.

XtraBulk SMS

XtraBulk SMS is a slender, quick, and trustworthy web-based application for bulk SMS. The application on your server can connect easily with any HTTP, API, or SMPP Server. The software is immaculate for mobile fabricators, providers of Bulk SMS, or banks that want to hold security and privacy.

Components

  • Code customization is available.
  • Works from the first minute of installation.
  • Cost-saving.
  • 100% of your lifetime ownership and is free to use.
  • It is a plug-and-play-ready app with diverse SMS providers and SMS Gateways.

Pricing and Plans

It has customer-friendly pricing, and it is cheaper compared to other packages.

SMSFlight

SMSFlight delivers bulk SMS service for premium SMS gateway. The program also offers free bulk SMS-sending services to clients all over India. 

Components

  • It can send Bulk SMS.
  • It offers Bulk SMS gateways.
  • It is swift and sends more than 1000 SMS per second.
  • It immediately shows failed SMS.
  • The Excel Plug-in is known for sending bulk SMS in a single click.

Pricing and Plans

You must reach them for a cost quotation if you want to use this software. They want payments 100% upfront.

RapidSMS

RapidSMS is a comprehensive SaaS-based free and open-source SMS-sending software. It offers solutions for customers who wish to avoid buying the software. 

It offers services that are quality-tested, customized, and free of hassles SMS solutions. 

Components

  • It is protected and dependable.
  • It can follow message history and delivery.
  • It has fast delivery with up to over 100,000 SMS/hour.
  • It protects privacy–protection-compliant with strict anti-spam laws.
  • It allows you to send SMS directly from Microsoft Outlook.
  • It can also send bulk SMS coursing through an Excel add-in.

Pricing and Plans

Their pricing is in three packages: 1-way bulk messaging, 2-way messaging, and ad-hoc campaign – starting from around USA $270. 

FrontlineSMS

FrontlineSMS is an open-source best Bulk SMS sending software that allows a quick two-way transmission to any mobile handset. Its compact software can be downloaded for free.

Components

  • It is safe to use.
  • It is easily implementable and user-friendly.
  • It offers fast SMS delivery.
  • It provides delivery reports and generates reports immediately.
  • It provides configurable auto-reply.
  • It is cloud-hosted and has open API.

Pricing and Plans

You pay for the messages you send; the download is free. This software tracks missed calls. Yet, if you want to update the desktop version, their cloud-based versions are obtainable at different levels from $25 per month.

Clicksend

Clicksend is a global text messaging service based in Australia. It delivers various SMS solutions depending on the client’s needs, like web-based SMS and multi-user SMS. It is cloud-based, and businesses can easily connect with their customers and employees. The company looks after over 90,000 customers and has an average of 4.3 stars across Trust Pilot, G2, and Capterra.

Components

  • It integrates with different business apps and platforms, including Zoho, Google, Slack, Salesforce, Shopify, and WordPress.
  • Bulk SMS text messages always go through direct courses, regardless of whether you send messages to ten or ten million, which indicates that your messages are always received instantly.
  • It offers 24X7 human tech staff support.
  • This software is built on high-level security and has a 100% uptime Service Level Agreement (SLA) guarantee.
  • It can transform text speech into multiple languages and male and female voices according to the audience.
  • SMS software download is not required. You can directly access the API or dashboard once you sign up. It makes access more accessible and faster.
  • It would help if you had a web-connected computer to send SMS with their online gateway.
  • It offers smooth integration for SMS to email messages.
  • The medium is created keeping the developers in mind. It can adapt and cater to your current mobile messaging application software and technical structure.
  • It can send up to 4,800 messages per minute with a character limit of 1,224.

Pricing and Plans

The pricing for SMS messages varies as per the demand of the customer. It will cost $0.07 Australian dollars per SMS for less than 2,000 messages, $0.065 Australian dollars for 2,001 to 10,000 messages, $0.06 Australian dollars for 10,001 to 100,000 messages, and $0.055 Australian dollars for over 100,000 messages.

PlaySMS

This free and open-source Bulk SMS software playSMS is a reasonable bet. It is a flexible, web-based system customized to fit diverse usefulness. It can be used as a Bulk SMS provider, SMS gateway, individualized messages, or mass transmission.

Components

  • The software backs multiple database engines.
  • It can send SMS to both single and multiple mobile devices.
  • It can send SMS published to a group of mobile phones or SMS bulk.
  • It supports Unicode, flash, and mass text messages.
  • It can send SMS to email and email to SMS via using a polling mailbox.
  • It can manage large volumes of SMS (Up to 500k SMS/month).
  • It has a mass text messaging service with easy configuration. 

Pricing and Plans

It has a hassle-free and quality-tested customized SMS solution. Their pricing is consumer friendly.

Kannel

Kannel may look like simple software, but it has a power-packed open-source Bulk SMS software used for Wireless Application Protocol (WAP) and volume SMS solutions. 

It was specially designed on Linux-based systems, which explains the website’s plainness and is portable to other Unix-like systems. Kannel is used for SMS exchange, which serves WAP Push notifications through a mobile internet connection.

Components

  • It supports a push-pull gateway.
  • It observes the SEMA SMS2000 OIS protocol.
  • It connects effortlessly with HTTP-based content gateways.
  • It can manage hundreds of SMSes in one go.
  • It can manage more than 1000 SMS/second.
  • It is easily used as an aggregator.

Pricing and Plans

It customs prices as per the demand, and the pricing is dependent on the SMS bulk per month. 

EZTexting

EZTexting is easy to navigate and the most dependable to use for your customers. Their open-source Bulk SMS software has impressive attributes that work on a permission-based SMS marketing approach. It does not let your messages go to spam. It offers a free trial period of 14 days to help you check out all of its features.

Components

  • Drip campaigns use pre-planned, automated messages to current and forthcoming clients to encourage interchange and sales. The multi-step communication system can be triggered by time, the recipient’s actions with prior correspondence, interaction with the website, and other predetermined parameters.
  • It offers personalized reminders for message campaigns.
  • You have sign-up forms.
  • Unique mobile keywords.
  • It has text-to-landline. 
  • It has a Poll builder too.
  • It limits time spent by using a link shortener. 
  • It helps you have unique mobile keywords unavailable to other users.
  • MMS Marketing allows you to display your image pop-up in the message.

Pricing and Plan

It is directed towards teams and priced depending on how many users or team members will use the platform. Enterprise-level plans will be quoted on a case-to-case basis.

MessageDesk

 MessageDesk works excellent for Bulk texting and broadcasting to large groups from a 10-digit phone number or 800 number. You can also link your existing business phone number or text-enable your landline. 

MessageDesk is an ideal tool for businesses and organizations looking to create automated chatty experiences with their customers. Additionally, it is appropriate for text message marketing.

Components

  • It offers planned and automated text messages.
  • It offers templates and MMS messages.
  • It also caters to group texts and broadcasts without replying to all.
  • It has call forwarding and voicemails to any number.
  • It offers desktop, tablet, and mobile apps.
  • It helps high-volume A2P carrier-verified messaging.
  • It has built-in opt-in and opt-out tools for TCPA compliance.
  • It has a highly usable shared team inbox.
  • It offers an affordable starting price.
  • It has excellent customer service.

Pricing and Plan

After a free trial, one user has a starting cost of $14 per month. It also offers custom pricing for larger teams.

Many Direct to Consumer (DTC) and eCommerce brands work that offer text-based marketing campaigns across their customer journey. Some brands you should review to get motivation from include; Amazon, OLLY, Brooks Brothers, Kindra, Clevr Blends, Smile Direct Club, Abercrombie, and Snow Teeth Whitening.

Author

Shashank is an IT Engineer from IIT Bombay, specializing in writing about technology and Software as a Service (SaaS) for over four years. His articles have been featured on platforms like HuffPost, CoJournal, and various other websites, showcasing his expertise in simplifying complex tech topics and engaging readers with his insightful and accessible writing style. Passionate about innovation, Shashank continues to contribute valuable insights to the tech community through his well-researched and thought-provoking content.