Microsoft Kaizala Alternatives: Top 10 Business Instant Messaging Software in 2025

Chatwork is a group chat app designed to help global teams communicate, collaborate, and increase productivity. Chatwork is the simple, fast, and fun way to connect individuals and teams of all sizes. Chatwork combines nine tools in one, which improves efficiency and enables you to make decisions faster. Upload files in various formats such as spreadsheet, word document, and image file. Conduct a face-to-face video conference with members in the chat room. You can enable Chatwork to send you an email when you have unread messages in your inbox for a certain amount of time.

Dialog is an online-based Business Instant Messaging Software. You can find colleagues easily, communicate in group chats, share files and make audio and video calls. Combining various tools in one platform optimizes the cost of software, hardware, maintenance and support. Create them for teams and projects in order to concentrate efforts, make work more transparent, and information accessible to everyone. Call up colleagues in the messenger or audio/video conferencing system. A convenient chat search will help you find presentations, images, documents. Integration with the address book will help you find the right person by name, position or department.

BBM® Enterprise offers secure text, voice, video, group chat and conferencing on any device, including smartphones and desktops. BBM Enterprise offers multi-party voice and video conferencing for up to 15 participants. Users can quickly create ad-hoc conferences on any device, inviting individuals inside or outside the organization by simply sharing a conference link. Users can edit, delete or retract their own message, or set an expiry time on sent messages and pictures. Allow users to communicate and stay connected, regardless of which device they have on hand, whether it be iOS, Android™, macOS, or Windows®.

From a single platform, Sendchamp enables businesses to engage with customers across several messaging channels, including SMS, WhatsApp, email, and voice. Businesses can simply authenticate consumers with Sendchamp by sending One-time Passwords (OTPs) over WhatsApp, email, SMS, or voice communications. Use one-time passwords to quickly verify consumers by SMS, email, voice, and WhatsApp. Send messages via many channels, including email, WhatsApp, SMS, voice, and others. Customers can get help from you via automated WhatsApp responses, voice messages, and emails. Widgets, Popups, Simulators, Sandbox, and anything else that doesn't require coding knowledge are our top priorities. Sendchamp makes your communication experience more seamless because you don't need to be a developer to get started. We're here to help you construct whatever you want. Our SDKs and APIs have been thoroughly tested. Documentation and other tools to help you get up and running in less than ten minutes.

Eko is a mobile collaboration and communication app for teams. Eko allows you to make voice and video calls, send voice messages, share files, start threaded group chats, have 1-2-1 chats, and create polls and broadcasts. Eko allows you to create workflows, forms, and tasks that can be customized according to your unique business needs. You can create different workflows for each teams that allow you to approve forms from your phone, accept reports, set deadlines, and enable approval hierarchies. You can also send and receive workflows, as well as comment on these workflows, attach files and digitally sign documents. With Eko’s admin tools, you can ensure your data is secure, as well as manage and audit it, and configure Eko in a way that works best for your business. You can also customize the solution in line with your company’s unique branding.

Sent revolutionizes business instant messaging by streamlining cross-channel communication through its robust, unified API. Professionals can now easily manage their messaging strategy with features like automatic channel identification, effortless personalization, content transformation, and comprehensive analytics. By recognizing a contact’s primary messaging platform using just their phone number, Sent ensures messages are delivered on the most effective channel, including SMS, WhatsApp, and iMessage. Additionally, it seamlessly handles alternative and fallback channels to guarantee deliverability. Personalization is a breeze with Sent’s reusable templates, which support dynamic fields and media components, making messages more engaging and relevant. The platform leverages AI to transform and format content automatically, ensuring compatibility across various channels while maintaining consistent recipient experiences. Advanced analytics provide deep insights into message deliverability, engagement, and interactions, empowering businesses to optimize their campaigns effectively. Sent allows users to focus on content creation and brand growth by simplifying complex tasks. It's not just a messaging tool; it's a comprehensive solution that enhances communication efficiency and effectiveness, making it an indispensable partner for modern businesses. Discover how Sent is redefining A2P messaging while offering a first-class developer experience.

Crypton.sh is a solution that allows you to encrypt SMS messages and send them in a secure manner. Every single message and conversation is encrypted with the user’s personal key, which nobody else can access (including Crypton). Crypton uses industry standard 256-bit asymmetric encryption to encrypt the messages, which means they cannot access any user’s data. Crypton offers an API, which enables you to send and receive messages on any device, including Android and iOS phones, as well as terminals. You can receive messages for free as long as you have a phone number, and you can choose one of Crypton’s pay-as-you-go plans to send messages at a fixed cost. Crypton also encrypts any contacts that you have saved, and you can both import and export these contacts using VCF files. Crypton hosts and stores all data on servers that are physically located in Switzerland.

TIMU your team is able to get more done, inside and outside of meetings. Organize ideas and conversations across threads, events, files, and tasks. HD video conferencing with screen sharing, meeting recordings, and audio transcription. A persistent message thread for meetings and teams. Comment, review, and collaborate on all your files. Give team members access to all your files, tasks, and meetings with one click. Browse and share files from anywhere in your TIMU workspaces.

Givitas is a Business Instant Messaging Software. They know that engagement, loyalty, and even profitability are all outcomes of creating a generous culture. Searching a repository of institutional knowledge, collaborating, and connecting takes under 5 minutes a week. Encourages knowledge sharing and collaboration across silos and geography. A multinational technology enterprise used Givitas to build helpful connections among employees at six global delivery centers. Givitas is designed to bring the softer side of giving and collaboration to your team, but that doesn’t mean they skimp on the science.

Crugo is a cloud-based Business Instant Messaging Software. Bring team conversations together into one secure place. Simplify the chaos with simple open and private group chats or direct messaging, allowing everyone to keep in contact. Send and receive messages with your work colleagues in an instant from any device. No spam, no clutter, just clarity, and speed. Organize one-on-one conferences for your remote workers and clients. Keep track of all your file versions, so you can revert back whenever you need.

A customer communication platform that combines widgets, emails, social media, SMS, and your team into a single view. This ensures all your teammates have an impact on the overall customer experience.

Arma is on a mission to revolutionize the way teamwork is approached by catering to non-tech-savvy operational teams and small businesses on a global scale. The primary goal is to provide an intuitive and user-friendly collaboration platform that empowers teams to enhance their communication, streamline tasks, and seamlessly share ideas. It firmly believe that every team, irrespective of their tech proficiency, should have the tools to collaborate efficiently and cultivate their own super team. The vision is rooted in empowering teams to transcend barriers and reach their full potential by fostering collaboration. At Arma, are driven by a commitment to creating the most exceptional workplace collaboration experience worldwide. It aspire to provide a collaboration platform that is accessible and effective for everyone, regardless of their technological background. The dedication to this mission fuels this pursuit of excellence, ensuring that Arma remains at the forefront of workplace collaboration solutions.

Cardinal is a no-code, human-friendly database platform that is an easily customizable and adaptable solution for almost anything one would need. Teams can setup a database in minutes. Cardinal is created to share, communicate and collaborate at work.

Hibox is an out-of-the-box solution to handle the three most critical pain points in collaborating with your team. Having all these tools integrated helps teams start working right away, whereas with other messaging apps you have to set up separate products that require an additional cost and time and create external integrations that often just show notifications that don’t actually let you get work done. You can also integrate your favorite apps like Dropbox and Google Drive so you can keep working with the tools your team loves.

Chatfully helps teams follow-up with every opportunity by centralizing communication in shared team inboxes to follow-up in 1/3 the time. Text with your leads, customers, and team to maximize open rates and receive blazing fast replies. Start with one number, add others, and transfer your text-enabled landlines once ready. Chatfully connects omnichannel messaging, campaigns, and CRMs into a single tool. Yet, it is still flexible enough to work with your other tools. Use it to streamline chat at any scale.

Office Chat is just like texting, but it works on both your desktop computer and mobile phone. With a fast and straightforward setup process, any company, no matter the size, can quickly transition to a new work environment and continue being productive while working from anywhere. Send priority messages that get flagged as important and remain at the top of the recipient's inbox until reading. There is no additional cost for using Office Chat from your mobile phone. So, no more paying per message or per platform. It's all included in your flat-price subscription.

Glip is your team's conversation platform to plan, share & organize work. Chat in real-time anytime, anywhere, from any device. Connect with individuals, create teams, make remote workers feel local, and build stronger relationships with customers. Open files and add comments to provide on-the-spot feedback while keeping everything organized, accessible, and visible. Create teams based on projects, themes, or departments to get everyone working on the same page. Sometimes it’s easier to meet face-to-face to discuss a project, resolve an issue, or seal the deal.

Messenger Communication Platform software is a platform used to manage customer communication with data protection regulations. The software offers tools to create Chatbots to support your customer service via messaging apps (WhatsApp, Instagram, Apple Business Chat, Facebook Messenger, Telegram). Collaborate with teams to assign tickets to the right agents to automate workflows.

Prokeep is an easy-to-use, ever-improving messaging platform built exclusively for distributors, and supported by a team focused on customers’ success. Prokeep helps you streamline customer communications in a way that keeps customer relationships and business growing.

Symphony transforms the way users communicate effectively and securely with a single workflow application. Symphony has everything you need to hold large or small meetings securely over the internet. Group meetings are integrated with a one-click start, easy file- and screen-sharing, chat, video, and attendee options. Joining Symphony gives you automatic membership to a vibrant global business community, with access to external, firm-to-firm communication channels. A Symphony message is encrypted the instant sent. Only the intended receiver can decrypt it. That’s true end-to-end encryption.