Missive Alternatives (September 2025)

Get more done and save money by collaborating with your whole team IN ONE APP. Group chat, task manager, voice/video calls, and more. Start getting your team organized for FREE today!

Business communication and team messaging software. Unlimited users, direct and group messages, and unlimited message history.

10K+ teams trust Hiver to streamline shared inbox management and run multi-channel help desks from their Inbox. Try Hiver free for 7 days.

Dossier is an app for organizing customer conversations, no matter where it happens, with zero disruption to the ways you already communicate. Based in San Francisco, Dossier is helping business owners, business professionals and teams around the globe intelligently sync their customer communication channels and organize documents, tasks and more. Welcome to a new way to build better customer relationships and a better business.

Flock, the best team communication app and online collaboration platform, comes with team messaging, project management and other great features that improve productivity and boost speed of execution.

Put some Genius into Gmail! Gmelius is the leading process automation and email collaboration software built for Gmail and Google Workspace. Start for free.

Loop Email unlocks teamwork right inside your email inbox. It's an all-in-one shared inbox that transforms email into your team’s superpower.

Our mission is to make the world more productive. To do this, we built one app to replace them all - Tasks, Docs, Goals, and Chat.

Slack is a new way to communicate with your team. It’s faster, better organized, and more secure than email.

Sortd is an All-in-one Sales, Service and Task tracking app ‍for Gmail-based Teams. Manage your emails, customers, tasks and workflows, in your Inbox.

Shared inbox for a transparent workspace—Zoho TeamInbox lets you manage team emails efficiently, gives you clutter free inboxes and helps attain Inbox Zero easily.

Embrace the Deep Work revolution with Deep Collaboration up to 5x the Productivity of email.

Email and chat for your team

Turn Gmail into a Team Workspace. Use DragApp to manage workflows such as Help Desk, CRM or Tasks. #1 Gmail Shared Inbox tool.

Start the conversation on your website, stay in touch through messaging apps. √ Website chat √ Chatbots √ GDPR √ WhatsApp & more

Zoho Cliq, a team communication app powers business productivity by organizing people, conversations & workflows in one single place. Sign up now!

Run your team with Range. Async check-ins, meeting management software & goal tracking.

Discover our Business Messaging Platform for Startups & SMBs. The one-stop for sales, marketing & support in one platform: Crisp. 14-day free trial. No credit card required. Try now! We provide Knowledge base, Team Inbox, Chatbot, CRM and multiple other features to let you build your own way to customer success.

Create AI-personalized workflows across all messaging channels. Discover how SleekFlow's Conversational AI revolutionizes and automates customer interactions.

Install Live Chat on your website and turn your visitors into paying customers with JivoChat. Easy setup, 5 agents free!

MILVUS Centralize o atendimento e aumente a produtividade da sua equipe Veja como automatizar seus processos, otimizar a gestão da sua equipe e os resultados da sua empresa. Faça um teste grátis Acesso ilimitado à plataforma sem cartão de crédito Solicite uma reunião Fale com um de nossos especialistas MILVUS Centralize o atendimento e aumente

Helpmonks is an all-in-one email management software with powerful customer engagement features, including email marketing, knowledge base, live chat, and more

The fastest email experience ever made. Blazingly fast, delightful, and stress free. Get 4 hours back every single week.

A new dawn for teamwork. Manage projects, tasks, file storage, and messaging with Morningmate, the best all-in-one productivity software for efficiency and teamwork. Sign Up for free.

SoWork is your Smart Virtual Office. It gives your remote team efficiency, presence, spontaneity, and connection.

Whippy | Business Messaging & Automation.

Mailspring: The open-source, extensible email app for Mac, Linux, and Windows with open tracking, link click tracking, contacts enrichment data and more.

Project management software for SMBs. Online collaboration tool · 35 000+ customers · 4.67/5 - 423 reviews · #1 Productivity App

The #1 app making collaborative planning working at scale between teams for SaaS & Live Game companies. Agile team collaboration, smoother than ever.

Try the best virtual office platform used globally. See how the best remote teams communicate better, collaborate faster, and work daily in a virtual HQ.

Instant messaging for working teams - Join the thousands of working teams across all industries using Zenzap today as their go-to messenger, and get seamless collaboration no matter your business type or size

Say hello to the next level collaboration. StartADAM brings teams together by creating cross-platform collaboration between tools.

Everything in one place. Track tasks, manage projects, maintain a knowledge base, support your customers, collaborate, and deliver great products. Designed with every member of your team in mind. Free for teams of up to 10. In our cloud or on your server.

Integrate WhatsApp, FB, IG, LINE, WeChat and Website Live Chat to meet customer service, marketing and sales needs in one stop. Trusted by over 5,000 brands worldwide, Omnichat offers advanced conversational commerce solutions with enhanced efficiency, user behaviour analysis and remarketing strategy development, thus creating 5x conversion rate.

Explore Rocket.Chat, where we put data privacy into every conversation and enable teams to collaborate seamlessly.

Deliver human-centered service with email, live chat, and docs from Help Scout.

Bring people together, have discussions, make proposals and achieve clear outcomes

Emails, calendars, contacts, tasks, chat and more

Visualize your ideas on Weje's canvas, group and share ideas and brainstorms on this collaboration software platform, communicate with your team live

Experience virtual work (and play) that feels more natural, more productive, more human . The all-in-one communication space builder for teams that value connection, creativity, and building a vibrant culture. [...]

Mailtrim provides secure Free email client software with its unique team collaboration Feature and is designed to serve the mailing needs of all business

Use Umnico communication platform to enhance your Omnichannel customer support and online sales by leveraging multiple instant messages and social media in one window. Try it now for free!

Create, edit, and track your sales activities from your inbox. Stay focused on your goals with customer and prospect data where you work.

Teamwork Desk is a help desk ticketing system that allows you to centralize communication and improve transparency, so you can focus on customer happiness.

Home Page, Startup 4.0 has become a popular trend and the motivation for young enterprises to participate in the success rate,...

Hitask is a unique project and task manager for teams. It helps to focus on team collaboration, getting tasks done and manage an entire project.

Manage multiple WhatsApp numbers and agents in one shared inbox. Share team access to your WhatsApp account, and reply to more chats from your clients in less time.

Message.Help is a service for integrating WhatsApp, Instagram and Telegram with Altegio, amoCRM, Bitrix24 CRM systems

Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest.

Turn your conversations into conversions with ChatMaxima’s conversational marketing software. Our AI-powered chatbots drive sales and improve customer engagement. Sign up now.

Chat Breezes is a social commerce platform that helps businesses connect with customers, streamline operations, and boost sales. Start your free trial today!

Help Scout's shared inbox, help center, and live chat software gives your team the tools you need to easily manage customer communications.

Zulip is an organized team chat app, designed for efficient communication.

Secure hosted email with custom domain. Shared calendars, chat, storage, documents & apps. The only solution integrated and working together in one screen.

Simple group email discussion lists for your club, association, office, society, family and more. Get started in minutes. 14-day free trial.

Textedly is an easy text message marketing (SMS) platform. Increase revenue and mass communication using automated, bulk texting services.

Automate two-way, interactive conversations in Instagram Direct Messages, Facebook Messenger, and SMS to grow your brand

Explore ticketing and live chat solutions that simplify workflows, improve customer satisfaction, and make agents' lives easier.

Mattermost is a secure collaboration platform for accelerating mission critical work in complex environments.

End-to-end encrypted communication and collaboration with tasks, documents and projects for business teams.

Meet your AI workforce with Taskade! Build, train, and deploy AI agents that think, learn, and act—ready to plan, research, and complete tasks alongside your team. Unlock agentic workflows where humans and AI collaborate to boost productivity 10X. Automate tasks and turn insights into action—all in one unified workspace.

Email made easy and beautiful. Manage multiple accounts with the best email client for Windows 2024. Download the #1 email client program free Now.

An all-in-one workplace platform that allows highly collaborative teams to build, share, and automate custom workflows and processes for data-driven results

Always-on text messaging platform for your business or organization. Send SMS & MMS and more. Contact us today.

Standuply automates standup meetings, retrospectives, 20+ Agile and HR processes in Slack & MS Teams to increase productivity of hybrid work.

Enterprise Communications Platform as a Service (CPaaS)

Trusted by the fastest growing brands in over 78 countries. Wati is the #1 end-to-end WhatsApp API solution for SMBs across the globe.

Task management for effective teams ✓ MeisterTask is the most intuitive task management tool out there ✓ Sign up, invite your team and start working

Huddle helps teams collaborate better remotely. Take your office communication tools with you wherever you go with Huddle.Team.

Ad-free Business Email Hosting with a clean, easy-to-use interface. Integrated Business Calendar, Contacts, Notes, Tasks. Free for up to 5 users.

Volley is the fastest way to collect feedback on any website. Create comments on any webpage to collect visual feedback. Volley is free.

Cut your team's email management time in half & get started on the road to a cleaner inbox and more productive day with SaneBox. Start your free trial now!

Stames is a software platform that helps businesses unify their messaging, sales and other important data across multiple channels and apps.

Fast, private email hosting for you or your business. More productive, lightning fast, simple and built to save you time.

Feature-rich browser for productive working on the web. Tab manager, multi-account sign-in, unified search, workspaces and more

Supercharge your productivity with AI writing, search, scheduling, and more

Miro is a visual workspace for innovation where teams manage projects, design products, and build the future together. Join 70M+ users from around the world.

Discover ZoomSphere: the social media management tool for effective teamwork! Plan, schedule, analyze, and collaborate on your content. Start our free trial!

Coda is an all-in-one platform that blends the flexibility of docs, structure of spreadsheets, power of applications, and intelligence of AI.

Automate your work. Make allows you to visually create, build and automate workflows. User friendly no-code integration tool. Try it now for free!

Fast email client with full Gmail, Hotmail and other services synchronization. Best replacement for MS Outlook or Thunderbird. Free version for Home users.

UChat is the ultimate chatbot platform that allows you to automate your business without coding. Build your chatbot with the 12+ channels we support.

Thousands of leading companies use LaunchNotes to launch new products, announce new features, share product roadmaps, collect customer feedback, and more.

Groove is the simple yet powerful alternative to Zendesk. The best helpdesk software for your business. Shared inbox, knowledge base, chat and more!

EssentialPIM helps you manage your life with powerful tools for email, calendar, contacts, notes, password entries and tasks.

Box empowers your teams by making it easy to work with people inside and outside your organization, protect your valuable content, and connect all your apps.

Box empowers your teams by making it easy to work with people inside and outside your organization, protect your valuable content, and connect all your apps.

Take back control of your email with this easy-to-deploy mail server in a box.

Textline's business texting software offers solutions for sales, marketing, customer service and beyond. Utilize the power of SMS to grow quickly.

HCL Notes is the email client software that supports social collaboration. Integrates enterprise applications in a single workspace with agile security from the core.

Looking for a business text messaging software that will help you stay connected with your customers? Look no further than Avochato! Our easy-to-use platform makes it simple to send and receive text messages.

Zoho Workplace is a productivity and collaboration suite trusted by millions. It brings mail, chat, files, office suite, meetings, and more into one place.

Discover how our AI Copilot at Worknet.ai streamlines your workflow. Enhance productivity and efficiency with our advanced AI tools. Visit us now!

HCL Verse is the best instant messaging app and enterprise email management software for web-based mail clients powered by messenger software to provide an instant and secure messaging application.

Discover your new all-purpose inbox. Write emails, create notes, set reminders and assign to-dos—your everyday tools, in Twobird.

Customer service platform for SMBs to help you serve customers faster and retain them better. Helpwise empowers agents to serve customers not tickets.

OX Cloud Email - Easy, Fast, Secure - Powerful email built for business

Only Wrike's work management platform gives your team full visibility and control over all your tasks and projects. Project management software has never been more collaborative.

Capture leads, automate chats and converse to convert across WhatsApp, email, social media with the top AI-powered customer conversation management software.