Zulip Alternatives (September 2025)

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

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!

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!

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

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.

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

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.

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.

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

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

Office Chat is a Fast, Simple and Secure Messaging App For Smartphones and PC. Mobile teams and businesses use Office Chat to share rich messages, documents, pictures, videos and location with their colleagues.

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

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

Ziteboard is a zoomable online whiteboard with realtime collaboration for tutoring. Explain, sketch, teach anything.

Email and chat for your team

The easy way to connect with all the groups in your life, big and small

Use Teamup calendar to organize teams and business, consolidate schedules and activities, simplify communication with security and privacy.

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

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!

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

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.

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

Parabol is a Free Agile Meeting Tool for Remote Teams. Seamlessly integrates with Atlassian Jira, GitHub, Slack, and Mattermost. Free and Open-Source.

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

Collaboard Online Whiteboard ► 100% GDPR compliant ✅ Hosting in Germany & On-Premises ✅ More than 100 templates!

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

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

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

How to send messages, start video calls, transfer files over a local network? Download LAN Messenger for Windows, Android, and Mac for secure team chat in an office.

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

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

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

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

All purpose digital organizer. Capture information, write notes and documents, annotate content, build knowledge connections, and stay organized. For individuals and teams of all sizes.

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

An all-in-one free platform to manage your team and run your sales, Bitrix24 is designed to be seamlessly integrated into all your business processes and help you manage them with the highest precision and efficiency.

Groupware tool for online collaboration and organisation. EGroupware integrates cutting edge collaboration technologies - available in a german hosting environment or on-premises.

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

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

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

Voxer is a Walkie Talkie messaging app for your smartphone with live voice (like a PTT walkie talkie), text, photo and location sharing. Download Voxer for iPhone, Android, or use Voxer for web

Get up to date contact information with a simple & free cross-platform contact manager app that sync across multiple accounts and devices automatically.

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.

The Jupyter Notebook is a web-based interactive computing platform. The notebook combines live code, equations, narrative text, visualizations, interactive dashboards and other media.

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. [...]

Yabbu is a simple, secure, shared agenda where teams discuss issues, upload files, and assign tasks before meeting up in real time. Productivity App no.1!

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

Zenhub helps your teams get more done faster with time-saving agile automations, fewer meetings, and more visibility in GitHub.

Agile Meetings for Remote and Hybrid teams. Integrates with Slack, Microsoft Teams, Jira, Linear, Asana, and Basecamp. Start for free today!

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!

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

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.

Milanote is an easy-to-use tool to organize your ideas and projects into visual boards. Add notes, images, links and files, organize them visually and share them with your team.

Zube lets the product team work alongside the developers. The GitHub integration always keeps developer issues up to date.

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

Die Sherpany Meeting Management Software fördert die Zusammenarbeit und beschleunigt die Entscheidungsfindung von Führungsteams.

www.tawk.to is 100% Free Live Chat Software to monitor and chat with visitors on your website or from a free customizable page.

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

Make the impossible, possible with Trello. The ultimate teamwork project management tool. Start up a board in seconds, automate tedious tasks, and collaborate anywhere, even on mobile.

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.

The entirely free way to collaborate more efficiently with groups of people.

A visual collaboration platform for medium to large-sized businesses to manage and execute projects with advanced Kanban Boards.

Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.

Looking to improve your team's agile process? TeleRetro makes it easy to gather feedback, track progress, and identify areas for improvement.

Open source project management software for classic, agile or hybrid project management: task management✓ Gantt charts✓ boards✓ team collaboration✓ time and cost reporting✓ FREE trial!

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

Karrot is a free and open-source tool for grassroots initiatives and groups of people that want to coordinate face-to-face activities on a local, autonomous and voluntary basis.

Fast track your integrations roadmap with the KNIT unified API. Webhooks based architecture, no data storage policy, and whitelabeled auth for complete peace of mind!

TeamRetro is the effective and trusted online retrospective and health check tool for remote teams. Enterprise ready, integrated, SSO-included.

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

Visual review, approval, and issue tracking for digital content. Markup, record screen and collaborate faster. Sign up for free!

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

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

Expand your online sales through an all-in-one live chat app. Support and sell simultaneously. Start a free trial today! Trusted by over 37,000 businesses.

Free desktop project scheduling and management app with Gantt chart for Windows, Linux and macOS

Zuplo is the API management platform for developers. Build, deploy, and scale APIs faster with Zuplo.

Excalidraw is a free virtual collaborative whiteboard for creating simple hand-drawn style diagrams, illustrations, flowcharts.. No sign-up. Just draw

Trusted by millions, Basecamp puts everything you need to get work done in one place. It’s the calm, organized way to manage projects, work with clients, and communicate company-wide.

Looking for free agile planning tools, but need quality? Try Helix Plan project management. It's one of the best agile tools & free today. Plan track, and deliver better products at scale.

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

Team App is a platform that allows teams and groups to improve communication by creating their very own smartphone app.

Team-GPT helps companies adopt ChatGPT for their work. Organize knowledge, collaborate, and master AI in one shared workspace. 100% private and secure.

Work anywhere, anytime with Midlap. Midlap puts everything you need to get work done in one place. Control team and organization work to focus on their goals, projects, and tasks.

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

Spond is The Free Sports Team Management App Chosen by 1000's of Teams Worldwide! Start Scheduling Events, Sending Invites & More Today.

A simple to use and intuitive lead capture app that connects up your events, sales and marketing teams and effectively transforms data into sales.

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.

Build a winning team culture with simple, native polls for Slack.

Powerful blocks to create unique chat experiences. Embed them anywhere on your apps and start collecting results like magic.

A free reference manager that helps you to discover, collect, organize and cite your scholarly literature and research in an efficient way.

Sylpheed - Sylpheed はシンプル、軽量かつ高機能で使いやすい、無料のメールソフトです。Sylpheed は Windows から Linux まで様々なプラットフォームに対応しています。

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.

Accessible live chat and chatbot software for sales, marketing and customer support on your website. Start talking to your customers today!

Slack to Microsoft Teams migration engine with direct messages support.

MantisBT is a popular free web-based bug tracking system. It is written in PHP works with MySQL, MS SQL, and PostgreSQL databases. MantisBT has been installed on Windows, Linux, Mac OS, OS/2, and others. It is released under the terms of the GNU General Public License (GPL).

Powerful notes app for individuals and teams. Fast, focused, always in sync. Notejoy is available on Mac, PC, iOS, Android, and the web. Sign up free.

Increase your team's AI adoption with AICamp's collaborative AI Platform. Connect your own OpenAI/Anthropic/Custom API keys for Claude, GPT-4 Gemini, Mistral, Llama, and more. Boost productivity with this affordable ChatGPT alternative

Postbox is the power email app for busy professionals, like you.

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