COMPETITIVE BENCHMARKS & REPLACEMENTS

Best Slack Alternatives in 2026

Looking for competitors to Slack? Compare top verified options in Productivity & Collaboration by starting price, open source capabilities, and feature benchmarks.

Other Alternatives:Cursor Claude ChatGPT Supabase Notion Linear Stripe

Baseline Benchmark Tool

Current Reference

Slack

Real-time messaging, channels, audio huddles, and automated app integrations for teams

Simulate Team Size:

Est. Slack Spend:$131.25/mo ($1,575/yr)

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Top Ranked Alternatives (8 verified)

Showing live TCO for 15 team seats

#1 Alternative

Productivity & Collaboration

Notion

Starting Cost$10 / user / mo

Connected workspace uniting documents, project wikis, databases, and AI agents

EST. 15-SEAT COST$150/mo ($1,800/yr)

Enterprise Feature Parity

WikisProject ManagementDatabasesAI Notes

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#2 Alternative

Productivity & Collaboration

ClickUp

Starting Cost$7 / user / mo

Customizable project management, task automation, docs, and team goals workspace

EST. 15-SEAT COST$105/mo ($1,260/yr)

Save $315/yr vs Slack

Task ManagementAgile SprintsAutomation

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#3 Alternative

Productivity & Collaboration

Monday.com

Starting Cost$9 / user / mo

Work operating system for managing workflows, projects, and cross-team operations

EST. 15-SEAT COST$135/mo ($1,620/yr)

Enterprise Feature Parity

Work OSProject TrackingGantt

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#4 Alternative

Productivity & Collaboration

Todoist

Starting CostNot tracked — see the vendor's pricing page

Task manager and personal to-do list app with natural language date parsing

EST. 15-SEAT COST$285/mo ($3,420/yr)

Enterprise Feature Parity

Task ManagementTo-Do ListPersonal Productivity

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#5 Alternative

Productivity & Collaboration

Linear

Starting Cost$10 / user / mo

Purpose-built issue tracking and software engineering project management tool

EST. 15-SEAT COST$150/mo ($1,800/yr)

Enterprise Feature Parity

Issue TrackingAgile EngineeringProject Management

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#6 Alternative

Productivity & Collaboration

Raycast

Starting Cost$10 / user / mo

Extendable Mac launcher, system commands, AI copilot, and team snippet manager

EST. 15-SEAT COST$150/mo ($1,800/yr)

Enterprise Feature Parity

macOS LauncherDeveloper ProductivityExtensions

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#7 Alternative

Productivity & Collaboration

Notion

Starting Cost$10 / user / mo

Connected workspace for notes, wiki documents, project tracking, and AI knowledge retrieval

EST. 15-SEAT COST$150/mo ($1,800/yr)

Enterprise Feature Parity

Connected WorkspaceWikiNotesProject Management

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#8 Alternative

Productivity & Collaboration

Obsidian

Starting CostFree Tier ($0)

Extensible knowledge base operating on local plain Markdown folders with rich graph views

EST. 15-SEAT COST$0/mo ($0/yr)

Save $1,575/yr vs Slack

MarkdownLocal-firstKnowledge GraphSecond Brain

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