S

Slack

Disclosed by 401 companies

• D

  Dynatrace

  Cloud based communication services

  United States

  “Slack Technologies, Inc.” source · checked Oct 24, 2026

• E

  eesel AI

  eesel's own team workspace for internal alerts and support

  United States

  “Slack” source · checked Oct 24, 2026

• E

  ElevenLabs

  Collaboration; communication with clients and support tickets

  United States

  “Slack” source · checked Oct 24, 2026

• E

  Ellucian

  Messaging for professional services and support

  United States

  “Slack” source · checked Oct 24, 2026

• E

  Employment Hero

  Real-time messaging and file sharing for team communication and collaboration

  United States

  “Slack Real-time messaging and file sharing for team communication and collaboration.” source · checked Oct 24, 2026

• E

  Encord

  Purpose not stated

  United States

  “Slack” source · checked Oct 24, 2026

• E

  Entri

  Slack is a real-time communications tool that may be used to communicate between Entri and its customers.

  United States

  “Slack Technologies, LLC” source · checked Oct 24, 2026

• E

  EvalFlow

  Customer-enabled Slack notifications, recognition alerts, and workflow updates

  United States

  “Slack Customer-enabled Slack notifications, recognition alerts, and workflow updates.” source · checked Oct 24, 2026

• E

  Expensify

  Sales and Support (Support and Account Management)

  United States

  “Slack” source · checked Oct 24, 2026

• E

  Experian

  Team communication and messaging platform used for internal and customer support coordination

  United Kingdom

  “Slack Team communication and messaging platform used for internal and customer support coordination” source · checked Oct 24, 2026

• E

  Extend

  Collaboration

  United States

  “Slack • Collaboration. USA” source · checked Oct 24, 2026

• E

  EZ Texting

  Communications

  United States

  “Slack | Communications | US” source · checked Oct 24, 2026

• E

  EzyConn

  Slack channel integration

  “Slack | Slack channel integration” source · checked Oct 24, 2026

• F

  fal

  Internal communication tool used by Engineering

  United States

  “Slack Technologies, LLC” source · checked Oct 24, 2026

• F

  Featurebase

  Internal communication

  United States

  “Slack | Internal communication | USA” source · checked Oct 24, 2026

• F

  Fibery

  Communication tool

  Ireland

  “Slack Technologies Ltd drama, cringe, dopamine, cortisol - choose wisely (Communication Tool) Ireland” source · checked Oct 24, 2026

• F

  Filevine

  Communications platform

  United States

  “Slack Technologies, LLC | 500 Howard Street, San Francisco, California 94105 | Communications platform” source · checked Oct 24, 2026

• F

  Findmyshift

  Customer support

  “Slack Technologies, Inc. (Customer support)” source · checked Oct 24, 2026

• F

  Fireworks AI

  Collaboration

  United States

  “Slack Collaboration” source · checked Oct 24, 2026

• F

  Flagsmith

  Chat Communications

  United States

  “Slack | Slack Technologies, Inc. | Chat Communications | USA” source · checked Oct 24, 2026

• F

  Fleetio

  Employee communication and file sharing

  United States

  “Slack | Employee communication and file sharing | United States” source · checked Oct 24, 2026

• F

  Fly.io

  Customer support communication

  United States

  “Slack | United States | Customer support communication” source · checked Oct 24, 2026

• F

  Formspree

  Purpose not stated

  United States

  “Slack Technologies” source · checked Oct 24, 2026

• F

  Fortinet

  Collaboration ticketing

  United States

  “50 Fremont Street, San Francisco, CA 94105, USA Collaboration ticketing” source · checked Oct 24, 2026

• F

  FreeAgent

  Internal communication and collaboration

  United States

  “Slack” source · checked Oct 24, 2026

• F

  Fresha

  Cloud-based communication services

  United States

  “Slack Technologies, Inc” source · checked Oct 24, 2026

• F

  Frill

  Communication

  United States

  “Slack” source · checked Oct 24, 2026

• F

  Frontegg

  Communication

  United States

  “Salesforce, Inc. (Slack) | Communication | US” source · checked Oct 24, 2026

• G

  Gainsight

  IT Support Chat

  United States

  “Slack Technologies, Inc.” source · checked Oct 24, 2026

• G

  Gcore

  Internal communications

  Ireland

  “Slack Technologies Limited, Ireland” source · checked Oct 24, 2026

• G

  Glean

  Customer communications

  United States

  “Slack Technologies, LLC | Customer communications” source · checked Oct 24, 2026

• G

  GoodHire

  Internal Communication

  United States

  “Slack | Internal Communication | United States” source · checked Oct 24, 2026

• G

  GoSkills

  Communication

  United States

  “Slack” source · checked Oct 24, 2026

• G

  Grain

  Collaboration

  “Slack • Collaboration” source · checked Oct 24, 2026

• G

  GreenArrow Email

  Internal communication tool

  United States

  “Slack Technologies, Inc.” source · checked Oct 24, 2026

• G

  Guardey

  Internal communications / notification services

  United States

  “Slack Internal communications / notification services US” source · checked Oct 24, 2026

• G

  Guesty

  Communication and collaboration platform

  United States

  “Slack Technologies, Inc. - Communication and collaboration platform” source · checked Oct 24, 2026

• G

  Guideflow

  Asynchronous communication

  “Slack Asynchronous communication” source · checked Oct 24, 2026

• H

  H2O.ai

  Customer and internal communications

  “Slack | Customer and internal communications.” source · checked Oct 24, 2026

• H

  Hasura

  Business Applications

  United States

  “Slack Technologies LLC | USA | Business Applications” source · checked Oct 24, 2026

• H

  Hightouch

  Customer support and communications

  United States, Ireland

  “Slack Technologies, LLC | Customer support and communications | USA, Ireland” source · checked Oct 24, 2026

• H

  Homebase

  Internal team messaging and collaboration

  United States

  “Slack | Internal team messaging and collaboration | United States” source · checked Oct 24, 2026

• H

  Honeybadger

  Internal communications

  “Slack | Internal communications” source · checked Oct 24, 2026

• H

  HoneyBook

  Collaboration

  “Slack • Collaboration” source · checked Oct 24, 2026

• H

  HostedScan

  Messaging Software

  United States

  “Slack Technologies Inc.” source · checked Oct 24, 2026

• H

  HowdyGo

  Internal communication and collaboration tool.

  United States

  “Slack” source · checked Oct 24, 2026

• H

  Hugging Face

  Communication

  United States

  “Slack Technologies | Communication | United States” source · checked Oct 24, 2026

• H

  Hunter

  Internal communication platform

  United States

  “Slack Technologies, LLC” source · checked Oct 24, 2026

• I

  Ignition

  Team communication and collaboration

  “Slack Team communication and collaboration” source · checked Oct 24, 2026

• I

  Imply

  Customer support requests

  United States

  “Slack, Inc. Customer support requests 500 Howard Street San Francisco, CA 94105” source · checked Oct 24, 2026