# Top Free Communication Platform as a Service (cPaaS) Platforms Check out our list of free Communication Platform as a Service (cPaaS) Platforms. Products featured on this list are the ones that offer a free trial version. As with most free versions, there are limitations, typically time or features. If you'd like to see more products and to evaluate additional feature options, compare all [Communication Platform as a Service (cPaaS) Platforms](https://www.g2.com/categories/communication-platform-as-a-service-cpaas) to ensure you get the right product. ## View Free Communication Platform as a Service (cPaaS) Platforms G2 takes pride in showing unbiased reviews on user satisfaction in our ratings and reports. We do not allow paid placements in any of our ratings, rankings, or reports. Learn about our [scoring methodologies](https://research.g2.com/g2-scoring-methodologies). **66** Communication Platform as a Service (CPaaS) Products Available View all [Communication Platform as a Service (cPaaS) Platforms](https://www.g2.com/categories/communication-platform-as-a-service-cpaas) View all [Communication Platform as a Service (cPaaS) Platforms](https://www.g2.com/categories/communication-platform-as-a-service-cpaas) ### [Plivo](https://www.g2.com/products/plivo/reviews) [By Plivo](https://www.g2.com/sellers/plivo-2880e029-89f5-4ba3-8133-8e791654a76e) [ (747)4.5 out of 5 ](https://www.g2.com/products/plivo/reviews#reviews "Read Plivo Reviews") Product Description Plivo is a voice-first AI agent platform designed to streamline multi-channel customer engagement through various communication methods, including phone calls, chat, WhatsApp, SMS, email, and Slack. T **Users:** CEO, CTO · **Industries:** Computer Software, Information Technology and Services · **Market Segment:** 78% Small-Business, 17% Mid-Market User SentimentHow are these determined? Reviewers appreciate Plivo's competitive pricing, ease of implementation and integration, high reliability, and excellent customer support, as well as its ability to support high-volume messaging with minimal infrastructure requirements. Reviewers experienced issues with Plivo's inconsistent performance, poor communication skills from the support team, sudden price changes, lack of advanced analytics and intuitive interface, and limited support for country-specific messaging regulations. Year Founded 2011 HQ Location Austin, TX Company Website https://www.plivo.com/ Twitter @plivo LinkedIn® Page https://www.linkedin.com/company/plivo-inc/ ### [Twilio](https://www.g2.com/products/twilio/reviews) [By Twilio](https://www.g2.com/sellers/twilio) [ (526)4.1 out of 5 ](https://www.g2.com/products/twilio/reviews#reviews "Read Twilio Reviews") Product Description Twilio powers the future of business communications, enabling phones, VoIP, and messaging to be embedded into web, desktop, and mobile software. We take care of the messy telecom hardware and expose a **Users:** CEO, Senior Software Engineer · **Industries:** Computer Software, Information Technology and Services · **Market Segment:** 49% Small-Business, 31% Mid-Market ![Verified User in Computer Software](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Computer Software") AC The services they are supposed to offer, but everything is a problem.[Read review](https://www.g2.com/products/twilio/reviews/twilio-review-12307149) ![Shashank K.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Shashank K.") SK I like Twilio's flawless service with its comprehensive tracking of all messages. It simplifies communication, and the initial setup was very...[Read review](https://www.g2.com/products/twilio/reviews/twilio-review-12582821) Year Founded 2008 HQ Location San Francisco, CA Company Website https://www.twilio.com Twitter @twilio LinkedIn® Page https://www.linkedin.com/company/twilio-inc-/ Ownership NYSE: TWLO [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. [ Learn More ](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) ### [Telnyx CPaaS](https://www.g2.com/products/telnyx-cpaas/reviews) [By Telnyx](https://www.g2.com/sellers/telnyx) [ (525)4.7 out of 5 ](https://www.g2.com/products/telnyx-cpaas/reviews#reviews "Read Telnyx CPaaS Reviews") Product Description Telnyx is the only communications and connectivity platform that combines carrier-owned global communications, programmable APIs, voice AI agents, and edge compute under one roof. Through the Telny **Users:** CEO, Owner · **Industries:** Telecommunications, Information Technology and Services · **Market Segment:** 81% Small-Business, 16% Mid-Market JH Really good value services. I'm pairing a SIP trunk with Unifi Talk and have been really impressed by the cost and simplicity of set up. I've...[Read review](https://www.g2.com/products/telnyx-cpaas/reviews/telnyx-cpaas-review-11882665) ![Kian .](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Kian .") K I appreciate Telnyx CPaaS for being the only provider offering Swedish numbers with both voice and texting capabilities, all in one package, which...[Read review](https://www.g2.com/products/telnyx-cpaas/reviews/telnyx-cpaas-review-11894144) Year Founded 2009 HQ Location Austin, Texas, United States Company Website https://www.telnyx.com Twitter @telnyx LinkedIn® Page https://www.linkedin.com/company/3349412/ ### [Bandwidth](https://www.g2.com/products/bandwidth-bandwidth/reviews) [By Bandwidth](https://www.g2.com/sellers/bandwidth) [ (504)4.4 out of 5 ](https://www.g2.com/products/bandwidth-bandwidth/reviews#reviews "Read Bandwidth Reviews") Product Description With Bandwidth, enterprises deliver exceptional communication experiences everywhere. We enable you to integrate voice, messaging, and emergency services into your communications the way you want. O **Users:** CEO, Owner · **Industries:** Telecommunications, Information Technology and Services · **Market Segment:** 44% Small-Business, 36% Mid-Market ![Joe M.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Joe M.") JM Dashboard is easy to use Don't have issues porting in most numbers local or Toll Free[Read review](https://www.g2.com/products/bandwidth-bandwidth/reviews/bandwidth-review-9387867) ![Eddie W.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Eddie W.") EW I like the reliability of Bandwidth, the easy-to-navigate UI, and the number purchasing process. The UI makes it simple to keep track of numbers. I...[Read review](https://www.g2.com/products/bandwidth-bandwidth/reviews/bandwidth-review-9389450) Year Founded 1999 HQ Location Raleigh, NC Company Website https://www.bandwidth.com/ Twitter @bandwidth LinkedIn® Page https://www.linkedin.com/company/19149/ ### [Dotdigital](https://www.g2.com/products/dotdigital/reviews) [By Dotdigital](https://www.g2.com/sellers/dotdigital) [ (1,219)4.4 out of 5 ](https://www.g2.com/products/dotdigital/reviews#reviews "Read Dotdigital Reviews") Product Description Dotdigital is a global customer engagement, marketing automation, and data platform that helps you and your marketing teams create connected, personalized experiences across every channel. You can bri **Users:** Marketing Manager, Marketing Executive · **Industries:** Retail, Marketing and Advertising · **Market Segment:** 46% Mid-Market, 40% Small-Business ![Neil M.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Neil M.") NM I love how quickly Dotdigital enables me to create credible HTML emails. It's incredibly easy to use, which makes the process stress-free and...[Read review](https://www.g2.com/products/dotdigital/reviews/dotdigital-review-7198343) ![Verified User in Marketing and Advertising](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Marketing and Advertising") UM Dotdigital has been easy to use and intuitive, yet offers complexity when needed. It is a straightforward platform, which is especially helpful...[Read review](https://www.g2.com/products/dotdigital/reviews/dotdigital-review-11978203) Year Founded 1999 HQ Location London Bridge, London Company Website https://www.dotdigital.com Twitter @dotdigital LinkedIn® Page http://www.linkedin.com/company/1131881 Phone 1-212-971-9408 ### [Wati](https://www.g2.com/products/wati/reviews) [By Wati](https://www.g2.com/sellers/wati-4020a7cd-92a3-4b52-ae1c-627179ab724d) [ (493)4.6 out of 5 ](https://www.g2.com/products/wati/reviews#reviews "Read Wati Reviews") Product Description Wati is an agentic customer engagement platform that transforms conversations into revenue across marketing, sales, and support. By uniting AI agents and human teams across WhatsApp, Instagram, RCS, v **Users:** Founder, CEO · **Industries:** Education Management, Information Technology and Services · **Market Segment:** 73% Small-Business, 20% Mid-Market User SentimentHow are these determined? Reviewers frequently mention the ease of use, seamless integration with existing systems, quick response times, and the ability to automate and streamline customer interactions through features like chatbots. Reviewers experienced issues with customization flexibility for certain workflows, occasional glitches in message delivery, and high pricing for advanced features and larger volumes of users. Year Founded 2020 HQ Location Hong Kong, HK Company Website https://www.wati.io/ Twitter @Wati\_io LinkedIn® Page https://www.linkedin.com/company/watiglobal/ ### [Ozonetel](https://www.g2.com/products/ozonetel/reviews) [By Ozonetel](https://www.g2.com/sellers/ozonetel) [ (625)4.6 out of 5 ](https://www.g2.com/products/ozonetel/reviews#reviews "Read Ozonetel Reviews") Product Description Ozonetel is an industry-leading provider of a unified customer experience intelligence (oneCXi) platform that empowers businesses of all sizes to engage, convert, and retain customers at scale. The **Users:** Associate, Assistant Manager · **Industries:** Financial Services, Hospital & Health Care · **Market Segment:** 62% Mid-Market, 28% Small-Business ![Samuel A.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Samuel A.") SA The best thing about Ozonetel is the easy UI, ease of calling customers as well. Another feature I do like about Ozonetel is the call transfer...[Read review](https://www.g2.com/products/ozonetel/reviews/ozonetel-review-9995965) ![Pooja G.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Pooja G.") PG Easy-to-navigate dashboard with a simple and intuitive design. Minimal training required for new users. IVR (Interactive Voice Response) improves...[Read review](https://www.g2.com/products/ozonetel/reviews/ozonetel-review-10820022) Year Founded 2007 HQ Location San Jose, California Company Website https://www.ozonetel.com Twitter @Ozonetel LinkedIn® Page https://www.linkedin.com/company/668578/ ### [MSG91](https://www.g2.com/products/msg91/reviews) [By MSG91](https://www.g2.com/sellers/msg91) [ (199)4.5 out of 5 ](https://www.g2.com/products/msg91/reviews#reviews "Read MSG91 Reviews") Product Description MSG91 is a comprehensive communication platform designed to facilitate seamless interaction between businesses and their customers across multiple channels. By integrating SMS, WhatsApp, email, voice, **Users:** Founder, CEO · **Industries:** Computer Software, Information Technology and Services · **Market Segment:** 51% Small-Business, 22% Mid-Market ![Abhinav M.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Abhinav M.") AM MSG91 is easy to implement and integrate with our scheduling system. Pricing is affordable and transparent, which makes cost management...[Read review](https://www.g2.com/products/msg91/reviews/msg91-review-12262112) CP The platform is highly reliable and user-friendly, making onboarding and setup quick and hassle-free. It offers strong and well-documented API...[Read review](https://www.g2.com/products/msg91/reviews/msg91-review-12279366) Year Founded 2010 HQ Location Indore, MP Company Website https://msg91.com Twitter @msg91 LinkedIn® Page https://www.linkedin.com/company/2709873/ ### [SleekFlow](https://www.g2.com/products/sleekflow/reviews) [By SleekFlow](https://www.g2.com/sellers/sleekflow) [ (209)4.6 out of 5 ](https://www.g2.com/products/sleekflow/reviews#reviews "Read SleekFlow Reviews") Product Description SleekFlow is an AI Suite for Revenue-Driving Conversations. Trusted by over 2,000 enterprises across 70+ countries, we unify WhatsApp, Instagram, Messenger, SMS, Website Live Chat, Email, Call, and **Users:** Director, Founder · **Industries:** Retail, Health, Wellness and Fitness · **Market Segment:** 73% Small-Business, 21% Mid-Market User SentimentHow are these determined? Reviewers appreciate SleekFlow's AI and flow management features, its ability to integrate and set up automation flows, and the convenience of shifting from multiple client numbers to one, making the company appear more professional and simplifying client concerns. Reviewers noted issues with the AI learning from prompts, occasional bugs within the Flow Builder when setting up complex automations, and difficulties with the interface and analytics being intuitive and customizable. Year Founded 2019 HQ Location Singapore, SG Company Website https://sleekflow.io/ Twitter @sleekflow\_io LinkedIn® Page https://www.linkedin.com/company/sleekflow ### [Commio](https://www.g2.com/products/commio/reviews) [By Commio](https://www.g2.com/sellers/commio) [ (133)4.6 out of 5 ](https://www.g2.com/products/commio/reviews#reviews "Read Commio Reviews") Product Description Commio delivers a better way to power voice and text messaging in the cloud. Get up and running fast with our integrated Commio io portal or flexible APIs. We make it easy to bring your own 40 high-qu **Users:** CEO, Owner · **Industries:** Telecommunications, Information Technology and Services · **Market Segment:** 73% Small-Business, 21% Mid-Market ![Verified User in Consumer Services](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Consumer Services") AC Commio has been very good at communicationg every step of the process and following up.[Read review](https://www.g2.com/products/commio/reviews/commio-review-8938842) ![Verified User in Telecommunications](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Telecommunications") UT Commio is very helpful when you have a problem. They have helped with porting, new numbers and toll-free.[Read review](https://www.g2.com/products/commio/reviews/commio-review-8980269) Year Founded 2009 HQ Location Raleigh, NC Company Website https://www.commio.com/ Twitter @thinqing LinkedIn® Page https://www.linkedin.com/company/1911079/ ### [CometChat](https://www.g2.com/products/cometchat/reviews) [By CometChat Inc.](https://www.g2.com/sellers/cometchat-inc) [ (111)4.6 out of 5 ](https://www.g2.com/products/cometchat/reviews#reviews "Read CometChat Reviews") Product Description CometChat's APIs allow developers to quickly integrate in-app text messaging to any mobile app and website. Our platform provides user-to-user messaging to help you connect your users with each other **Industries:** Computer Software, Health, Wellness and Fitness · **Market Segment:** 77% Small-Business, 19% Mid-Market ![Nikhil C.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Nikhil C.") NC - Easy to integrate - Great customer service - Customizability - easy to integrate plugins.[Read review](https://www.g2.com/products/cometchat/reviews/cometchat-review-9585646) DW They offer a wide range of services and are always adding more. I am very satisfied with the service and I havent even discovered all they have to...[Read review](https://www.g2.com/products/cometchat/reviews/cometchat-review-9791284) Year Founded 2009 HQ Location Denver, CO Company Website https://www.cometchat.com Twitter @CometChat LinkedIn® Page https://www.linkedin.com/company/14548020 ### [Webex Connect](https://www.g2.com/products/webex-connect/reviews) [By Cisco](https://www.g2.com/sellers/cisco) [ (103)4.5 out of 5 ](https://www.g2.com/products/webex-connect/reviews#reviews "Read Webex Connect Reviews") Product Description Webex Connect is an enterprise Communications Platform as a Service (CPaaS) that enables rapid automation of multi-channel customer journeys. The platform makes it easy for businesses to interact with **Industries:** Information Technology and Services, Consumer Services · **Market Segment:** 46% Mid-Market, 40% Small-Business AD I like the versatility of Webex Connect. And like that people from all over were able to be on the telephone network regardless of their location....[Read review](https://www.g2.com/products/webex-connect/reviews/webex-connect-review-9093976) GH WebEx Connect enables us to communicate with our customers across a multitude of differerent channels in all of the countries in which our business...[Read review](https://www.g2.com/products/webex-connect/reviews/webex-connect-review-9686822) Year Founded 1984 HQ Location San Jose, CA Company Website https://www.cisco.com Twitter @Cisco LinkedIn® Page https://www.linkedin.com/company/cisco/ Ownership NASDAQ:CSCO Phone 847-678-6600 ### [Rocket.Chat](https://www.g2.com/products/rocket-chat/reviews) [By Rocket.Chat Technologies](https://www.g2.com/sellers/rocket-chat-technologies) [ (374)4.2 out of 5 ](https://www.g2.com/products/rocket-chat/reviews#reviews "Read Rocket.Chat Reviews") Product Description Rocket.Chat Secure CommsO® is a communication platform that unifies messaging, voice, video, AI, and mission-critical applications—ensuring uncompromising security, compliance, and operational efficie **Users:** Software Engineer · **Industries:** Information Technology and Services, Computer Software · **Market Segment:** 49% Mid-Market, 36% Small-Business KY Open-source and self-hosted—full data control and easy customization.[Read review](https://www.g2.com/products/rocket-chat/reviews/rocket-chat-review-11748423) ![Sanal A.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Sanal A.") SA I find Rocket.Chat very helpful for internal chats, especially when it's difficult to discuss team problems via calls. I like that we can mention...[Read review](https://www.g2.com/products/rocket-chat/reviews/rocket-chat-review-12084016) Year Founded 2015 HQ Location Wilmington, Delaware Company Website https://rocket.chat/ Twitter @RocketChat LinkedIn® Page https://www.linkedin.com/company/9487844/ ### [Sendbird](https://www.g2.com/products/sendbird/reviews) [By Sendbird](https://www.g2.com/sellers/sendbird) [ (126)4.6 out of 5 ](https://www.g2.com/products/sendbird/reviews#reviews "Read Sendbird Reviews") Product Description Sendbird is an omnichannel AI agent platform designed to enhance customer experience by facilitating autonomous support and sales conversations. This innovative solution enables businesses to engage w **Users:** Product Manager, Student Experience Team Member · **Industries:** Computer Software, Health, Wellness and Fitness · **Market Segment:** 47% Mid-Market, 31% Small-Business ![Becky Ying Z.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Becky Ying Z.") BZ The sendbird functions is very stable. We have been using it for 7 years, and we have honestly spent very little time fixing or maintaining it...[Read review](https://www.g2.com/products/sendbird/reviews/sendbird-review-11873791) ![Verified User in Computer Software](/assets/icons/anonymous-avatar-purple-4ae1032bdb50ee5682003170c8184aee790d25958bd397abbd384ba52c596a7b.svg "Verified User in Computer Software") AC the product guide (SDK) for the chat feature is realtivly simple to install[Read review](https://www.g2.com/products/sendbird/reviews/sendbird-review-11890082) Year Founded 2013 HQ Location San Mateo, California Company Website https://sendbird.com Twitter @SendBird LinkedIn® Page https://www.linkedin.com/company/10043307/ ### [Exotel Customer Communication Platform](https://www.g2.com/products/exotel-customer-communication-platform/reviews) [By Exotel](https://www.g2.com/sellers/exotel) [ (90)4.4 out of 5 ](https://www.g2.com/products/exotel-customer-communication-platform/reviews#reviews "Read Exotel Customer Communication Platform Reviews") Product Description Exotel is an advanced customer engagement platform that combines CPaaS, omnichannel contact centers, and Conversational AI, driving over 70 million daily conversations for more than 7,100 businesses a **Industries:** Education Management, Financial Services · **Market Segment:** 43% Mid-Market, 32% Small-Business ![Sana K.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "Sana K.") SK The cost of call is saved all thanks to this app. It is easy to use and also allows one to send out sms texts which is very cost-effective. Calls...[Read review](https://www.g2.com/products/exotel-customer-communication-platform/reviews/exotel-customer-communication-platform-review-7415253) ![CHITRANSHU G.](/assets/transparent-ad5be28fbcd25b7b08d2cebe1d957125437fb5407d75ee717965ad22c8808791.gif "CHITRANSHU G.") CG I like the IVR feature as it help us minimise the human interventions by filtering out the leads for us.[Read review](https://www.g2.com/products/exotel-customer-communication-platform/reviews/exotel-customer-communication-platform-review-7824695) Year Founded 2011 HQ Location Bangalore, Karnataka Company Website https://exotel.com/ Twitter @Exotel LinkedIn® Page https://www.linkedin.com/company/2433287/ [![G2 Advertising](/assets/my-g2-logo-41632af6f81a240a0a9886638f412b2ac9a29f4001534f8c83be89a58ef9d45d.svg "G2 Advertising")](https://sell.g2.com/case-studies/how-aisdr-uses-g2-ads-to-turn-g2-into-top-5-traffic-source) Sponsored G2 Advertising Get 2x conversion than Google Ads with G2 Advertising! G2 Advertising places your product in premium positions on high-traffic pages and on targeted competitor pages to reach buyers at key comparison moments. 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