Tools that integrate with Slack
38 tools in the tools8020 directory integrate with Slack. The strongest picks are Calendly, HubSpot and Linear, ranked by our 8020 score. 30 of them ship a free tier, and together they span 21 categories. Every Slack integration below is scored and hand-checked, so you can pick the one tool worth connecting instead of evaluating all 38.
Which tools integrate with Slack?
All 38 Slack integrations, ranked by 8020 score. The table is sorted best-first, so the top row is the pick we'd connect first.
What is the best Slack integration?
Calendly is the best-rated tool that integrates with Slack, scoring 96/100 (Essential). Calendly's Routing Forms qualify inbound leads before booking, directing prospects to the correct meeting type or sales rep based on company size, use case, or any other form field — a feature no free-tier scheduling tool matches.
- HubSpot — All-in-one CRM platform combining sales, marketing, and service in a single database. (95/100)
- Linear — Modern issue tracker built around speed and keyboard shortcuts for product engineering teams. (95/100)
How much do Slack integrations cost?
Paid Slack integrations start at $3.99/mo and reach $99/mo at the entry tier, per each vendor's published pricing. 30 options ship a free tier, so you can connect Slack and test the workflow before paying for a seat.
Which categories integrate with Slack?
The 38 Slack integrations span 21 categories. Browse the full ranked list in any of them:
All 38 tools that integrate with Slack
Calendly
Automated scheduling tool that eliminates back-and-forth by letting contacts book meetings directly on your calendar.
HubSpot
All-in-one CRM platform combining sales, marketing, and service in a single database.
Linear
Modern issue tracker built around speed and keyboard shortcuts for product engineering teams.
Loom
Screen and camera recorder that replaces status meetings with shareable async video messages.
Perplexity
The AI answer engine that cites every claim — the right tool for research, not conversation.
1Password
Password manager for individuals, families and businesses, with a 14-day free trial.
ChatGPT
OpenAI's AI assistant for everyday writing, research, image creation and coding.
Descript
Podcast and video editor that lets you edit audio and video by editing the transcript.
Google Forms
Free form and survey builder built into Google Workspace with unlimited responses.
Notion
All-in-one workspace for notes, docs, and lightweight project tracking.
Figma
The collaborative design tool that won the category. Browser-first, multi-player editing, deep plugin ecosystem.
n8n
Source-available workflow automation you can self-host — the developer's answer to Zapier.
Google Meet
Browser-based video meetings bundled into Google Workspace — the no-friction default for Gmail and Calendar teams.
Grammarly
AI writing assistant for grammar, clarity and tone, with a free plan and a paid Pro tier.
Zapier
No-code automation platform that connects AI and 9,000+ apps with point-and-click workflows.
Claude
Anthropic's AI assistant for coding, long documents and careful, instruction-following work.
Webflow
Visual web development platform for building production-grade sites without writing backend code.
DocuSign
The market-standard e-signature platform for sending, signing, and storing legally binding documents.
Tally
Notion-style form builder with unlimited forms and submissions on the free plan.
Zendesk
Enterprise-grade support platform with ticket forms, SLA management, and broad channel coverage.
Zoom
Video meetings with a free 40-minute Basic plan and paid Zoom Workplace tiers.
Asana
Work management platform built for cross-functional teams tracking complex multi-step projects.
Dropbox Sign
Clean, affordable e-signature tool — the practical pick for teams already living in Dropbox.
Fillout
Modern form builder with native database connections and AI-assisted form creation.
Hootsuite
Enterprise social media management — multi-channel scheduling, team approvals, and social listening in one dashboard.
RescueTime
Automatic time tracking that logs every app in the background — built for focus and self-awareness, not billing.
Windsurf
AI-native editor with cascade reasoning for multi-step coding tasks across your entire repo.
Attio
Modern CRM built around the relational model your data actually has. Notion-meets-Salesforce for early-stage sales.
Coda
Doc-and-table workspace for team hubs and trackers, now branded Superhuman Docs.
Harvest
Time tracking with built-in invoicing and profitability reporting — the agency pick for billing clients.
Trello
Visual Kanban board tool for organizing tasks and workflows with drag-and-drop simplicity.
Mixpanel
Product analytics built for tracking user events, funnels, and retention inside apps.
Typeform
Conversational form builder that asks one question at a time for higher completion rates.
Ghost
Open-source publishing platform for serious newsletters and membership sites.
Make
Visual automation platform with a drag-and-drop canvas — more powerful than Zapier, steeper to learn.
Plausible
Lightweight, privacy-friendly Google Analytics alternative with a 30-day free trial.
Intercom
AI-first customer messaging platform built around Fin, its GPT-4-powered support agent.
Jasper
The AI content platform built for marketing teams — brand voice, templates, and long-form generation at scale.
Frequently asked questions
How many tools integrate with Slack?
38 tools in the tools8020 directory ship a Slack integration, spanning 21 categories. They range from Jasper to top-ranked Calendly, and each is scored on the same 8020 rubric.
What is the best Slack integration?
Calendly is the highest-rated tool that integrates with Slack, scoring 96/100 (Essential). Calendly's Routing Forms qualify inbound leads before booking, directing prospects to the correct meeting type or sales rep based on company size, use case, or HubSpot is the next-strongest option.
Is there a free Slack integration?
Yes. 30 of the 38 Slack integrations we list ship a free tier, including Calendly, HubSpot, Linear. A free tier lets you connect Slack and test the workflow before paying for a seat.
How much does a Slack integration cost?
Paid Slack integrations start at $3.99/mo and run up to $99/mo at the entry tier, per each vendor's published pricing. 30 options also offer a free tier. Check each tool's page for its current pricing and free-tier details.
Related integrations
The tools above also connect to these platforms: