Alternatives to Slack
The top SaaS companies similar to Slack, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
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Viktor62Artificial IntelligenceWarsaw, Poland$64.7MAn AI coworker that lives in Slack and Microsoft Teams and works across the tools companies already use.
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Lark63HealthTechMountain View, United States$186.7MAI-powered digital health coaching for chronic condition management.
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Glia61Tallinn, Estonia$143.0MGlia provides a customer communication platform for the financial services industry, integrating messaging, chat, and voice.
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Ask-AI58EnterpriseSan Francisco, United States$20.0MAsk-AI empowers B2B SaaS support teams with AI agents, support analytics, and no-code automation—boosting customer experience, efficiency, and ROI.
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Lua Global56Agentic AISan Francisco, United States$5.8MThe mid-market agent platform delivering enterprise reliability with speed and flexibility.
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Zenzap40MessagingA professional work chat app solution for teams to stay aligned, operations organized, and business data protected.
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Sila54Agentic AINew York City, United States$300.0MAgent-native messaging platform where teams and AI work as one.
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Ando51Agentic AISan Francisco, United States$15.0MReimagining work messaging platforms by integrating AI agents as true teammates alongside humans.
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Sidekick50Frontline Worker AI AssistantSan Francisco, United StatesAI-powered SMS assistant for frontline workers, providing instant answers from company documents.
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OffSight35EnterpriseTel Aviv, IsraelOffSight (now noknok) provides flexible voice communication for remote and hybrid teams.
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Yeo Messaging49CybersecurityLondon, United Kingdom$19.3MWhatsApp on steroids with real-time facial verification.
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Emerj48Enterprise$800KInternal confidential platform for employee knowledge sharing and connection in large organizations.
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Synumatic33EnterpriseFramework for in-context messaging, file sharing, tasks, scheduling, and collaboration within apps.
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xFind.ai48EnterpriseTel Aviv, Israel$3.0MAI-powered knowledge extraction and retrieval for enterprise business interactions.
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Den47Agentic AISan Francisco, United States$6.3MAn AI-native workspace for seamless human and AI agent collaboration.
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Superfy46PersonalNew York, United States$2.2MAI-powered chat app connecting users to the right person for real-time answers.
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An AI colleague that lives inside Slack to assist with recurring tasks and advance work.
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Zoho Workplace56Productivity SoftwareChennai, IndiaA unified suite of productivity, collaboration, and communication tools for businesses.
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SQUAD15CollaborationTel Aviv, IsraelSQUAD is a platform that helps teams collaborate and manage projects efficiently.
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TeamSpeak10GamingChula Vista, United StatesHigh-quality, low-latency voice chat platform for gamers and businesses.
- Website Vibeshift8Agentic AI
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Resonate48Agentic AISan Francisco, United StatesThe first AI-native messaging platform for generative social content and UI.
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Papillon7Collaboration SoftwareReplace Slack, Notion, Miro and Zoom with live docs, chat, tasks, whiteboards, meetings and AI in one fast, offline-ready workspace.
- Website Docxter7Document Intelligence
- Website SCScalixEnterprise SoftwareOttawa, Canada
Scalix provides a unified platform for managing and collaborating on customer communications.
- Website SpacieRemote Work Tools
Spacie is a platform that helps businesses manage their remote and hybrid teams by providing tools for communication, collaboration, and culture building.
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Microsoft TeamsCollaboration SoftwareRedmond, United StatesA unified communication and collaboration platform for businesses.
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Supercut33Video MessagingSan Francisco, United StatesVideo messaging platform for asynchronous work communication and action.
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Deskfirst27EnterpriseSan Francisco, United StatesDeskfirst provides intuitive online collaboration spaces that mimic desktop environments for seamless teamwork.
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Microsoft 36525Productivity SoftwareRedmond, United StatesA suite of productivity, collaboration, and cloud-based services owned by Microsoft.
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FreeDi21EnterpriseTel Aviv, IsraelPlatform for large-scale collaboration and consensus-building through innovative decision-making technologies.
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Etherwaves AI14Conversational AIDevelops conversational Slack applications using AI and NLP to integrate natural language requests with product interfaces.
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Open and Async10Agentic AISan Francisco, United StatesAI-powered platform for asynchronous communication and knowledge management.
- Website Teloport9Remote Work Tools
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Getcave8Team MessagingTeam messaging with a built-in script runtime for custom bots.
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Kooo8Ephemeral MessagingEphemeral group chat rooms with AI, no logins, and auto-deletion after seven days.
- Website Eliaison AI7Enterprise SoftwareSan Francisco, United States
Eliaison provides an AI-powered platform to streamline communication and collaboration for businesses.
- Website Voxbi6Voice AI
A cloud-based phone system for European businesses, built by telecom operator Mixvoip.
- Website GOGoogle Workspace AI6AI Tools & AppsMountain View, United States
AI-powered features integrated into Google Workspace for enhanced productivity and collaboration.
- Website FUFuture of Work AI5Agentic AISan Francisco, United States
AI to enhance collaboration and productivity in remote workforces.
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Remote. TeamTeamwork PlatformValletta, MaltaSecure business chat and task management for remote teams with client communication.
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Azeus ConveneEnterprise SoftwareTunis, TunisiaInnovative meeting and collaboration software for board directors and senior leadership teams.
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Notion64SaaSSan Francisco, United States$200.0MNotion is an all-in-one workspace that combines notes, wikis, tasks, and databases.
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Asana75SaaSSan Francisco, United States$50.0MA work management platform designed to help teams organize, track, and manage their work.
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Dropbox69SaaSSan Francisco, United States$3.0BCloud storage and file synchronization service for individuals and businesses.
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Mentimeter58SaaSStockholm, Sweden$63.0MCreate interactive presentations and engage your audience in real-time.
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Roam49SaaSMiami, United States$40.6MCloud HQ solution for distributed companies, enhancing productivity and connection.
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Spike45SaaSNew York City, United States$13.0MSpike offers a unified work ecosystem integrating email, chat, calendar, and tasks into a single inbox.
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theGist48Generative AITel Aviv, Israel$7.0MGenerative AI platform to combat information overload and improve workplace collaboration by synthesizing data.
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Cove62Artificial IntelligenceSan Francisco, United StatesAI collaboration startup that developed a visual workspace for teams, acquired by Microsoft.
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Mellanox Technologies75SemiconductorYokneam, Israel$100.0MHigh-performance InfiniBand and Ethernet interconnect solutions for data centers.
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DeepL74Artificial IntelligenceCologne, Germany$300.0MAI-powered language translation and writing assistant platform delivering highly accurate translations for individuals and enterprises.
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Superhuman71ProductivitySan Francisco, United States$75.0MAn AI-native email app designed to save users time and increase productivity through faster collaboration and an efficient inbox experience.
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Zoom70Communication ToolsSan Jose, United States$145.5MVideo conferencing and online meeting platform for businesses and individuals.
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Glean69Artificial IntelligencePalo Alto, USA$410.0MGlean is a Work AI platform that connects to all company data, enabling employees to find, create, and automate anything with AI assistants and agents.
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Atlassian27Enterprise SoftwareSydney, Australia$264.3MEnterprise software company providing Jira and Confluence for project management and team collaboration
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Notion Labs67AISan Francisco, United States$525.0MAI assistant integrated into Notion for writing, summarizing, brainstorming, and streamlining workflows within the workspace.
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Discord67ConsumerSan Francisco, United States$978.0MDiscord is rolling out age verification globally next month to ensure users access age-appropriate content and settings.
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Posit67Data Science PlatformBoston, United States$169.9MOpen-source data science platform for enterprise teams, enabling collaboration and reproducible results.
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Figma66Software DesignSan Francisco, United States$3.8MFigma is a collaborative interface design tool that helps design and development teams build great products together through design, prototyping, and developer handoff features.
Compare Slack head to head
Side by side on what each one does, what it costs, and what real users report.