Top 11 customer success · saas that work with Slack

Gainsight is the highest-ranked provider in the Top 11 Gainsight vs ChurnZero vs Catalyst: 11 Best Customer Success Software Platforms 2026 that integrates with Slack.

Why this answer

Filtered to entries that publicly document a Slack integration. We do not include "API available" as proof of integration — there has to be a named connector or first-class workflow.

Showing all 4 matches. Top 11 publishes whatever the data supports — we don’t pad lists. See the full ranked Gainsight vs ChurnZero vs Catalyst: 11 Best Customer Success Software Platforms 2026.

  1. #1Gainsight(rank #1 in Gainsight vs ChurnZero vs Catalyst: 11 Best Customer Success Software Platforms 2026)

    9.4/9.4

    The undisputed enterprise leader with unmatched power, scalability, and customization for complex CS needs.

    Full Gainsight review · Compare: Gainsight vs ChurnZero · Alternatives

  2. #2ChurnZero(rank #2 in Gainsight vs ChurnZero vs Catalyst: 11 Best Customer Success Software Platforms 2026)

    9.2/9.4

    A powerful, user-friendly platform balancing strong automation with high CSM adoption for the mid-market.

    Full ChurnZero review · Alternatives

  3. #3ClientSuccess(rank #6 in Gainsight vs ChurnZero vs Catalyst: 11 Best Customer Success Software Platforms 2026)

    8.2/9.4

    A clean, straightforward platform focused on making the individual CSM's job easier.

    Full ClientSuccess review · Alternatives

  4. #4Hook(rank #11 in Gainsight vs ChurnZero vs Catalyst: 11 Best Customer Success Software Platforms 2026)

    —

    A next-gen platform for turning product usage signals into sales and success opportunities.

    Full Hook review · Alternatives

Methodology: /methodology · No paid placement ever · Verified .