Slack
Channel-based collaboration platform with messaging, huddles, workflows, 2,600+ app integrations, Slack Connect and AI-powered search and summaries.
Slack combines channels, DMs, search, huddles, Slack Connect, canvases, lists, Workflow Builder, clips, app integrations and a rapidly expanding AI layer including conversation summaries, huddle notes, search, recaps, file summaries, workflow generation and Slackbot/enterprise search by plan.
G2's current work-management snapshot rates Slack 4.5/5 with 37,922 reviews while Salesforce's current seller page lists roughly 39,853 Slack reviews; Capterra rates Slack 4.7/5 from 24,215 with 4.6 ease of use and 4.4 customer service. Users overwhelmingly praise channels, search and integrations, while notification overload is the dominant recurring complaint.
Slack has a genuine Free plan, Pro at $7.25 per active user/month billed annually ($8.75 monthly), Business+ at $15 annually ($18 monthly) and Enterprise+ custom. Fair Billing credits inactive members, and paid trials are available without a card, though promotional discounts should not be treated as standard pricing.
Slack currently advertises more than 2,600 apps and strong Salesforce integration. Its Trust Center lists SOC 2 Type II, SOC 3, ISO 27001/27017/27018/27701/42001 plus enterprise controls such as SAML SSO, SCIM, DLP, EMM and customer-managed keys on eligible plans.
Scored by Surabhi Singh
Quick facts
- Vendor
- Salesforce, Inc.
- Pricing model
- freemium
- Plan pricing
- $0; Pro $7.25/user/mo billed annually Vendor source checked; not a hands-on review
- Free plan
- Yes — check limits
- Free trial
- Yes — check eligibility
- Last verified
- Not yet verified
About Slack
Slack is Salesforce's workplace collaboration platform for channel-based messaging, direct messages, search, huddles, cross-company Slack Connect, lightweight project/knowledge tools and workflow automation. Paid plans add full history, group huddles, unlimited integrations and increasingly advanced AI, while Business+ and Enterprise+ add stronger identity, security, data governance and enterprise search.
Best for
Teams that want fast asynchronous communication, searchable project context and deep workflow/app integration, especially software, product and distributed teams.
Slack pros and cons
Pros
- Permanent Free plan for basic collaboration.
- Pro pricing is transparent at $7.25 per active user/month billed annually.
- More than 2,600 apps in the Slack App Directory.
- Excellent channel organization, search and cross-company Slack Connect workflows.
- Fair Billing automatically credits inactive paid members.
- Strong SOC/ISO security and enterprise administration controls.
Cons
- −Free plan limits searchable access to 90 days and allows up to 10 apps.
- −Pro still lacks some advanced Business+ AI, SSO and administration features.
- −Notification overload can become a productivity problem in large workspaces.
- −Per-active-user pricing can become expensive at scale.
- −Enterprise+ pricing is custom.
- −Slack credits are not cash refunds and expire after paid-plan termination.
Features
Platforms
Integrations
Pricing
Free forever for basic team communication.
$7.25 per active user/month billed annually or $8.75 monthly.
$15 per active user/month billed annually or $18 monthly.
Contact sales for pricing.
Official pricing / availability source · Checked 6 October 2026. Confirm current taxes, regional terms and allowances. A listed plan is not necessarily the cheapest option.
Editorial verification: Not yet verified. Check the vendor's site for current pricing.