TMail21 Alternatives (September 2025)

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.

Bring the full power of Evernote to every member of your organization with Evernote Teams. Collaborate, share knowledge, and move projects forward.

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

Atlassian's team collaboration software like Jira, Confluence and Trello help teams organize, discuss, and complete shared work.

Email, group chat and tasks for productive teams. One app for all your internal and external communication. Work management at its best. Try it free!

Atlassian's team collaboration software like Jira, Confluence and Trello help teams organize, discuss, and complete shared work.

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!

From internal communications to surveys, knowledge and task management, and more, equip your company with a unified intranet to boost culture and work towards the common vision.

Drive sustained engagement levels, accelerate business decisions and processes, and equip your team with the tools to meet their business goals.

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.

Increase connection and teamwork with our secure, flexible visual work platform. Make it a mural, not a meeting.

Teamwork Spaces is a modern, intuitive content collaboration workspace with smart features like required reading and live widgets. Learn more about our new document management software."

Talkspirit, collaboration and business communication platform: improve teamwork and productivity of your employees.

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

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.

BasicOps is a Collaborative Project Management Tool, where tasks and messaging are in one place.

InVision is the online whiteboard and productivity platform powering the future of work. See how InVision Freehand is purpose-built for team collaboration.

WorkDeck® is the ultimate team collaboration platform that simplifies teamwork and boosts productivity. All-in-one platform. Start the free trial today!

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

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. [...]

Zoom Workplace brings communication, employee engagement, spaces, and productivity solutions together on a single platform with Zoom AI Companion capabilities woven throughout.

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

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

Diggspace is a ready-to-use and customizable platform that empowers you to build an Intranet/Extranet in the blink of an eye.

Polymail is the best email platform designed to make the work-life of any professional much easier. Offering tools and features that benefit you. Visit us now!

Create collaborative online workspace in the secure cloud or host it yourself. Work remotely using features of an online workspace. Manage projects and emails, collaborate on docs, chat in ONLYOFFICE Workspace.

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.

Work remotely side-by-side in digital Spaces that make virtual interactions more human.

A modern, simple, and blazingly fast way to collaborate – bring knowledge, docs, and projects together in one place.

HCL Connections is the Enterprise Collaboration Platform powered by efficient software that offers digital employee engagement solutions to enhance the experience and support a collaborative workspace in modern enterprises.

Boost productivity and streamline communication with GroupWise, our enterprise collaboration software perfect for remote and virtual teams

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

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

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

As an online collaborative whiteboard, Boardmix integrates whiteboard, mind map, flowchart, and various digital tools to boost team work efficiency. With Boardmix, you can easily find solutions in multiple business scenarios!

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

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

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

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.

Team collaboration made simple with Zoho Connect for Google Workspace. Connect, converse, plan, with your team for better productivity and employee collaboration. Comes with Google Drive, Google Calendar integrations for Google Workspace.

SmartSuite is a collaborative work management platform that enables teams to plan, track and manage workflows, projects and everyday tasks. Try it free today!

Intranet Solutions and Company Intranet Software. 100% useful. 100% customizable. 100% loved by over 6 million people. 30-Day Free Trial.

ovice provides virtual workspace that keeps you in sync with anyone, anywhere.

Hypercontext helps managers have better 1:1s and team meetings. Build agendas, manage meetings, set goals, and get feedback—all in one place.

Creative collaboration just got easier. With Cage, you can design, revise, & share assets quickly & securely with clients. Collaborate better to celebrate sooner.

Build your own collaborative and social networks to faciliate communication and teamwork.

A new tool that blends your everyday work apps into one. It's the all-in-one workspace for you and your team.

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.

Employee engagement platform to improve workplace satisfaction and productivity. Foster collaboration, recognition, and communication to empower your team.

Zoho Projects is a cloud-based project management solution that helps teams plan, track, collaborate, and achieve project goals. Try our online project management platform for free!

Secure Cloud collaboration tool for smarter working. Transform collaboration with your team and stakeholders, with secure online workspaces.

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

Your new productivity Hub

Identify knowledge in documents to drive productivity with Document & Email Management software such as iManage Work. Book a demo today.

Our award-winning intranet software makes it easy to help employees share knowledge, stay informed, and feel connected.

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

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

LumApps is the only intranet packaged solution that enables employees to feel connected to their organization and engaged in their work from anywhere by delivering a modern, smart digital headquarters that empowers your employees to design a work experience that works for them.

Optimize your workflow with data-driven insights from CodeTogether. Accelerate delivery, improve quality, and make smarter decisions. Start a free trial today.

Stormboard is the data-first collaborative workflow platform that turns unstructured interactions into data-rich collaborative workspaces, creating new structured and actionable data from normal human collaboration, whether in-person or across distance.

Create a free gantt chart online in minutes with TeamGantt. Our gantt chart maker is easy to use with drag & drop scheduling—no downloads or training required.

The Easiest Way to Collaborate with People Inside or Outside of Your Company. Secure online workspaces that are user-friendly and quick to implement.

The best collaborative platform to get feedback and creative input from clients and internal teams.

Automate daily standups, retros, and more workflows with DailyBot. Keep everyone on the same page asynchronously with AI reports and team analytics. Try DailyBot for free!

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

A visual collaborative whiteboard where teams can diagram, brainstorm, and organize ideas together.

Secure online collaboration tool and GDPR compliant online whiteboard with over 14M+ users around the world. Experience the power of visual collaboration!

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.

All-in-one employee enablement platform to increase business synergy and employee collaboration aligning organizational and employee goals.

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

Engage employees across your organization with events and communities. Give your workplace purpose, build human connection, and increase cross-collaboration — all in one place

Design together, in real-time with version control for Sketch. Collaborate in the same file at the same time, without losing the original.

Wurkr is an online workplace tool helping companies to cultivate culture and encourage spontaneous collaboration in remote / distributed environments.

Work habits analytics platform loved by people leaders. Hundreds of teams use Network Perspective to boost teams’ productivity and well-being.

Wikifactory's product development platform unifies teams in real-time, streamlines workflows, and accelerates time-to-market. Try it today.

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

Simplified is the time saving, all in one app that your modern marketing team can use for collaboration. Millions of free images, videos, and audio clips. Thousands of designer templates. Long and short-form content writing in 30+ languages. Content Calendar to schedule and publish posts to social media. Free Forever!

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

Stay ahead with our #1 Productivity Tracking Software. Effortlessly monitor tasks, measure progress, and enhance collaboration. Free demo available!

Engaging your employees at every moment from hire to retire, and delivering engagement insights to help you support, promote, and retain your people.

Turn text into powerful data transforming reviews, feedback, chats, support tickets, social media, emails, etc. into business intelligence.

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

TeamsPro is a suite of Applications that improves employee experience on Microsoft Teams. Customize Microsoft Teams with apps like Calendar Pro or Contacts Pro by Witivio

Perfony is a task and project management solution for teams and businesses. With Perfony, you can organise your work, collaborate in real time and easily track the progress of your projects. Discover our intuitive and secure platform, adapted to all your needs.

DeepCura AI | Best AI Medical Scribe. DeepCura AI is the only platform that provides a built-in clinical scanner, clinical prompt shortcuts and real-time transcript diarization.

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

Our note taking app helps you capture and prioritize ideas, projects and to-do lists, so nothing falls through the cracks. Start your free trial today!

BHyve is your organisation’s AI knowledge sharing, management & collaboration tool to help you source, store, and share tacit knowledge instantly across teams, locations, and functions.

Get stunning online collaboration desktops and dedicated virtual assistants.

Jostle’s an employee success platform where everyone connects, communicates & celebrates together. See how our platform helps employees succeed!

Boost your business productivity with Retable, the all-in-one solution for collaborative data management. Try now and streamline your spreadsheet management!

monday.com is an open, work platform where anyone can create the tools they need to run every aspect of their work.

monday.com is an open, work platform where anyone can create the tools they need to run every aspect of their work.

Beautifully simple internal blog and knowledge-sharing platform. Share news and knowledge, boost company culture and improve internal communication. Free trial.

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

Organize, understand, and centrally access your assets. MyHub is your one-stop-shop to manage Microsoft 365 workspaces. Get a FREE demo today.

Strengthen your digital workforce. See how iTacit’s employee platform connects communication and learning to foster the digital employee experience.

One intelligent platform with all the AI tools, best-practice content, learning assets and expert services to supercharge business communication and presentation productivity.

Exchange business-class email helps increase user productivity while protecting your data. Get it as a hosted service or run it on your servers.