Slack

Slack Technologies, Inc. operates a business communication platform that facilitates collaboration among teams by integrating messaging, voice and video calls, and file sharing into a cohesive environment. Founded in 2009 and headquartered in San Francisco, California, the company serves a diverse clientele, ranging from Fortune 100 companies to small businesses, helping them streamline communication and enhance productivity. Slack's software is offered under a software-as-a-service model, making it accessible to organizations globally. In addition to its core platform, Slack has established the Slack Fund, which invests in early-stage technology ventures aimed at promoting more efficient workplaces. With multiple offices worldwide, Slack continues to focus on improving the working lives of individuals and teams by bringing together people, applications, and data.

Stewart Butterfield

Co-Founder

Dillon Ferdinandi

Investor

Caroline Fiegel

Investor

Liza Gurtin

Associate Product Manager, Platform

Jason Spinell

Director, Slack Fund

Past deals in Collaboration

Five to Nine

Seed Round in 2022
Five to Nine is a culture engagement solution that aims to enhance workplace connectivity and inclusion through its online platform. The platform enables human resource administrators to manage and evaluate both virtual and in-person internal programs effectively. By integrating workflows and collecting event analytics and feedback, it allows organizations to measure employee participation and sentiment. This data-driven approach helps HR teams create communities of interest within the workplace, promoting a positive work culture and driving business outcomes. Five to Nine focuses on leveraging culture-building opportunities to foster a more inclusive environment where employees feel engaged and connected.

Grain

Series A in 2022
Grain Intelligence, Inc. is a software company based in San Francisco that specializes in enhancing team meetings and collaboration through its innovative platform. Founded in 2018, Grain focuses on capturing and sharing essential content from Zoom calls. The platform allows users to record calls, take synchronized notes, and create video highlight clips of significant moments during conversations. These clips can be generated easily by using designated emojis during the call or through an automated transcript afterward. Grain's features facilitate the sharing of these highlights across various platforms, including Slack, Notion, Twitter, and Discord, making it a valuable tool for teams and individuals engaged in research, interviews, and meetings. By enabling users to create and share meaningful video clips, Grain supports informed decision-making and enhances collaboration within organizations.

Knapsack

Seed Round in 2022
Knapsack is a platform that streamlines the process of creating and managing design systems for digital products. It enables users to design, develop, document, deploy, and scale their design systems efficiently. By integrating design and development workflows, Knapsack serves as a single source of truth for digital experiences, facilitating the creation of everything from simple buttons to complex shopping cart functionalities. The platform allows for the synchronization of designs with code, enabling users to view components in context and manage multiple brands and templating languages in one place. This functionality accelerates the shipment of code, ensuring adherence to accessibility and brand standards while allowing product teams to create consistent, reusable experiences across various websites and applications. Additionally, Knapsack exposes these digital experiences as APIs, enabling simultaneous updates and innovations across all platforms.

Commsor

Series B in 2022
Developer of a community platform designed to grow better, engage, and make money for community-led organizations and teams. The company's platform provides software, education, and resources that help to manage community businesses and help companies build trusted partnerships with unique audience segments, enabling community leaders to access tools for managing online communities.

Daily.co

Series B in 2021
Pluot is the easiest way to video conference. A complete hardware + software solution for video conferencing and screen sharing. Dedicated hardware that easily connects to your TV. Free software so anyone can join your meetings.

Crossbeam

Series C in 2021
Crossbeam, Inc. is a software-as-a-service company that has developed a collaborative data platform aimed at facilitating valuable partnerships among businesses. Founded in 2018 and headquartered in Philadelphia, Pennsylvania, Crossbeam enables companies to discover overlapping customers and prospects with their partners while ensuring the security and privacy of their data. The platform acts as an escrow service, allowing for secure data sharing that enhances alliances, supports go-to-market strategies, and improves customer service. With features that automatically update customer and prospect information, Crossbeam provides an intuitive interface for defining key populations and establishing secure data-sharing relationships, ultimately helping businesses close more deals, enhance product development, and measure their success effectively.

Woven

Acquisition in 2021
Woven Software, Inc., established in 2016 and headquartered in Mountain View, California, offers a calendar application designed for busy professionals. The application includes features that visualize calendar events on a map and calculate necessary travel time between locations, facilitating effective daily planning. Woven allows users to block time on their calendars to account for travel to and from events. Additionally, the platform promotes collaboration by enabling users to coordinate the timing and location of events through various communication channels such as email, text, and messaging apps. This shared scheduling functionality reduces the back-and-forth typically associated with planning and ensures that all participants have access to relevant information before, during, and after meetings and events.

Daily.co

Series A in 2021
Pluot is the easiest way to video conference. A complete hardware + software solution for video conferencing and screen sharing. Dedicated hardware that easily connects to your TV. Free software so anyone can join your meetings.

Yac

Series A in 2021
Yac is a technology company that specializes in digital voice messaging and video communication solutions. Founded in 2019 and based in Kissimmee, Florida, Yac offers a platform that facilitates asynchronous meetings, allowing users to communicate without the need for physical presence. Its services include voice messaging, screen sharing, and tools for team collaboration, making it easier for remote employees to stay connected and organized. The platform also features capabilities such as inbound call management, fax-to-email services, virtual numbers, and audio conferencing, catering to a wide range of business communication needs.

Knapsack

Seed Round in 2021
Knapsack is a platform that streamlines the process of creating and managing design systems for digital products. It enables users to design, develop, document, deploy, and scale their design systems efficiently. By integrating design and development workflows, Knapsack serves as a single source of truth for digital experiences, facilitating the creation of everything from simple buttons to complex shopping cart functionalities. The platform allows for the synchronization of designs with code, enabling users to view components in context and manage multiple brands and templating languages in one place. This functionality accelerates the shipment of code, ensuring adherence to accessibility and brand standards while allowing product teams to create consistent, reusable experiences across various websites and applications. Additionally, Knapsack exposes these digital experiences as APIs, enabling simultaneous updates and innovations across all platforms.

Donut

Venture Round in 2020
Donut is a software platform focused on enhancing employee engagement and fostering connections within organizations. Launched in 2016 by Christian Whitehouse, Sarah Arnold, Jeff Manian, and Dan Manian, the company operates from New York, United States. Donut's online portal facilitates interactions among team members through activities such as virtual coffee meetings, peer learning sessions, and discussions on diversity, equity, and inclusion. By promoting trust and collaboration, Donut aims to strengthen company culture, enhance personal relationships, and improve employee retention.

Air

Series A in 2020
Air brings your content and collaborators together in a space designed for visual work. By giving your team back those hours previously lost each day on menial tasks, Air not only fundamentally changes team efficiency, but also enables more moments of creativity. Air was designed by creators for creators with the hopes of getting more people involved in your brand experience.

MURAL

Series B in 2020
MURAL is a digital workspace designed for visual collaboration, enabling innovative teams to solve complex problems through effective communication and teamwork. The platform is user-friendly, allowing for the rapid creation of diagrams that support design thinking and agile methodologies. MURAL's tools facilitate impactful meetings and workshops, helping global enterprises streamline decision-making, enhance alignment, and foster a culture of innovation. Major companies, including IBM, USAA, E-Trade, and Atlassian, utilize MURAL to connect teams and reduce travel costs. The company is based in San Francisco and employs over 100 individuals who work remotely across multiple time zones, with additional office hubs in Buenos Aires and Europe. MURAL's enterprise-class, cloud-based infrastructure supports a significant portion of Fortune 100 companies, reflecting its commitment to enhancing collaboration in various sectors, including education and non-profit organizations.

Yac

Venture Round in 2020
Yac is a technology company that specializes in digital voice messaging and video communication solutions. Founded in 2019 and based in Kissimmee, Florida, Yac offers a platform that facilitates asynchronous meetings, allowing users to communicate without the need for physical presence. Its services include voice messaging, screen sharing, and tools for team collaboration, making it easier for remote employees to stay connected and organized. The platform also features capabilities such as inbound call management, fax-to-email services, virtual numbers, and audio conferencing, catering to a wide range of business communication needs.

Mighty Labs

Seed Round in 2020
Mighty translates detailed individual workflows from the tools people use into automated, dynamic team timelines that anyone can follow to see where teams are focused and that managers can use to easily maintain alignment, keep leadership informed, and spot opportunities for recognition and coaching. It automatically builds directly from workflows in tools such as Jira, Asana, and Slack to help lead teams, coach people, and keep everyone informed.

Crossbeam

Series B in 2020
Crossbeam, Inc. is a software-as-a-service company that has developed a collaborative data platform aimed at facilitating valuable partnerships among businesses. Founded in 2018 and headquartered in Philadelphia, Pennsylvania, Crossbeam enables companies to discover overlapping customers and prospects with their partners while ensuring the security and privacy of their data. The platform acts as an escrow service, allowing for secure data sharing that enhances alliances, supports go-to-market strategies, and improves customer service. With features that automatically update customer and prospect information, Crossbeam provides an intuitive interface for defining key populations and establishing secure data-sharing relationships, ultimately helping businesses close more deals, enhance product development, and measure their success effectively.

Rimeto

Acquisition in 2020
Rimeto LLC, founded in 2016 and based in San Francisco, California, specializes in developing application and system software that enhances workplace collaboration through detailed employee directories and profiles. The company aims to improve access to information within organizations, enabling employees to connect more effectively with their colleagues and tap into collective knowledge. Rimeto's platform integrates data from various enterprise systems, creating a custom-built directory that consolidates information about people, projects, and teams. By leveraging both public and proprietary data sets, Rimeto provides clients with a powerful tool that enhances organizational transparency and facilitates better communication and collaboration, ultimately fostering a more connected work environment. As of June 2020, Rimeto operates as a subsidiary of Slack Technologies.

Onna

Series B in 2020
Onna is a data integration platform for organizations that connects to emerging apps, such as JIRA, Confluence, and Slack. Its platform is a central point for enterprises’ common information platforms like Confluence, Gmail, Zendesk, Slack, Drive, or Dropbox. The company helps organizations collect and preserve data in a defensible manner for Preservation, Knowledge Management, eDiscovery, GDPR, Enterprise Search, and Information Governance. Their advanced search queries together with their recommendation system make the job of finding an easy task. Information overload and inefficiency affect companies at an individual and organization-wide level. A central point for information enables cross-functional alignment amongst teams and will help users with contract management, compliance, eDiscovery, and more. It was founded in 2015 and is based in New York, New York.

Daily.co

Seed Round in 2020
Pluot is the easiest way to video conference. A complete hardware + software solution for video conferencing and screen sharing. Dedicated hardware that easily connects to your TV. Free software so anyone can join your meetings.

MeetingNotes

Seed Round in 2020
Hugo Corporation, founded in 2016 and based in San Francisco, California, specializes in cloud-based connected meeting notes software. Its primary product, the Hugo application, enables teams to collaboratively set meeting agendas, share notes, and organize insights based on participant attendance. The software facilitates the transformation of meeting notes into actionable items and includes integrations with over 20 tools such as chat, CRM, video conferencing, and project management applications. This functionality allows organizations to manage their meetings effectively, ensuring efficiency and transparency in communication and collaboration among team members.

Grain

Seed Round in 2020
Grain Intelligence, Inc. is a software company based in San Francisco that specializes in enhancing team meetings and collaboration through its innovative platform. Founded in 2018, Grain focuses on capturing and sharing essential content from Zoom calls. The platform allows users to record calls, take synchronized notes, and create video highlight clips of significant moments during conversations. These clips can be generated easily by using designated emojis during the call or through an automated transcript afterward. Grain's features facilitate the sharing of these highlights across various platforms, including Slack, Notion, Twitter, and Discord, making it a valuable tool for teams and individuals engaged in research, interviews, and meetings. By enabling users to create and share meaningful video clips, Grain supports informed decision-making and enhances collaboration within organizations.

Grain

Seed Round in 2020
Grain Intelligence, Inc. is a software company based in San Francisco that specializes in enhancing team meetings and collaboration through its innovative platform. Founded in 2018, Grain focuses on capturing and sharing essential content from Zoom calls. The platform allows users to record calls, take synchronized notes, and create video highlight clips of significant moments during conversations. These clips can be generated easily by using designated emojis during the call or through an automated transcript afterward. Grain's features facilitate the sharing of these highlights across various platforms, including Slack, Notion, Twitter, and Discord, making it a valuable tool for teams and individuals engaged in research, interviews, and meetings. By enabling users to create and share meaningful video clips, Grain supports informed decision-making and enhances collaboration within organizations.

Parabol

Seed Round in 2019
Parabol, Inc. is a company that specializes in developing an open-source meeting application tailored for remote and agile teams. Founded in 2015 and based in Alhambra, California, Parabol enables distributed teams to conduct meetings and retrospective sessions effectively, fostering collaboration regardless of location or time zone. The platform facilitates real-time or asynchronous interactions, allowing teams to generate automatic insights about their performance from online collaboration activities. Meeting notes and tasks are automatically compiled into summaries, which are shared with team members and stakeholders. Parabol also integrates with other tools like Jira, Confluence, GitHub, and Slack, enhancing productivity by streamlining workflows. Additionally, the application analyzes meeting data to provide valuable insights into team dynamics, helping organizations identify challenges and improve overall performance.

Crossbeam

Series A in 2019
Crossbeam, Inc. is a software-as-a-service company that has developed a collaborative data platform aimed at facilitating valuable partnerships among businesses. Founded in 2018 and headquartered in Philadelphia, Pennsylvania, Crossbeam enables companies to discover overlapping customers and prospects with their partners while ensuring the security and privacy of their data. The platform acts as an escrow service, allowing for secure data sharing that enhances alliances, supports go-to-market strategies, and improves customer service. With features that automatically update customer and prospect information, Crossbeam provides an intuitive interface for defining key populations and establishing secure data-sharing relationships, ultimately helping businesses close more deals, enhance product development, and measure their success effectively.

Onna

Series A in 2019
Onna is a data integration platform for organizations that connects to emerging apps, such as JIRA, Confluence, and Slack. Its platform is a central point for enterprises’ common information platforms like Confluence, Gmail, Zendesk, Slack, Drive, or Dropbox. The company helps organizations collect and preserve data in a defensible manner for Preservation, Knowledge Management, eDiscovery, GDPR, Enterprise Search, and Information Governance. Their advanced search queries together with their recommendation system make the job of finding an easy task. Information overload and inefficiency affect companies at an individual and organization-wide level. A central point for information enables cross-functional alignment amongst teams and will help users with contract management, compliance, eDiscovery, and more. It was founded in 2015 and is based in New York, New York.

Crossbeam

Seed Round in 2018
Crossbeam, Inc. is a software-as-a-service company that has developed a collaborative data platform aimed at facilitating valuable partnerships among businesses. Founded in 2018 and headquartered in Philadelphia, Pennsylvania, Crossbeam enables companies to discover overlapping customers and prospects with their partners while ensuring the security and privacy of their data. The platform acts as an escrow service, allowing for secure data sharing that enhances alliances, supports go-to-market strategies, and improves customer service. With features that automatically update customer and prospect information, Crossbeam provides an intuitive interface for defining key populations and establishing secure data-sharing relationships, ultimately helping businesses close more deals, enhance product development, and measure their success effectively.

Pitch

Series A in 2018
Pitch Software GmbH, founded in 2018 and headquartered in Berlin, Germany, specializes in collaborative presentation software designed for decentralized teams. Its platform allows users to develop and share visually appealing presentations in a shared workspace, facilitating effective content collaboration. The company's innovative approach aims to streamline the presentation creation process, making it accessible to a broader audience. Pitch is supported by a seasoned team and backed by prominent investors, underscoring its commitment to enhancing how teams work together on presentation content.

HipChat

Acquisition in 2018
HipChat launched in 2010 to give companies and teams a collaboration and chat service that was built just for them. They wanted to combine the power of group chat and the simplicity of consumer IM services with the administrative controls that companies need. In March 2012, HipChat was acquired by Atlassian.

Stride

Acquisition in 2018
Stride is a cloud-based communication and collaboration tool designed to enhance team efficiency. Launched by Atlassian in September 2017, it replaces the earlier HipChat platform. Stride offers features such as group chat for discussing ideas in searchable rooms and integrated collaboration tools that allow users to highlight important information directly within conversations. The platform includes a 'Focus Mode' and customizable status settings to indicate when team members need uninterrupted time for tasks. Additionally, it facilitates seamless connectivity through built-in voice and video conferencing for both desktop and mobile users, enabling easy access for team members to join meetings via sharable URLs or guest access. Overall, Stride aims to streamline team communication by integrating context, conversation, and collaboration into a single, effective solution.

Ment.io

Venture Round in 2018
Our mission is to help teams optimize the quality and speed of their decision-making, the fate of your company depends on the sum of your decisions, but decision-making has never been harder. Teams facing thousands of decisions a day are bogged down by endless meetings and fragmented conversations spread across email and Slack. And, after all that back and forth, they’re seldom left feeling confident about their decisions. We believe that combining credible decision-making with speed results in success. After all, you should never have to compromise between the two. This is why we built Ment.io with the singular goal of helping teams make confident decisions in an agile world. By enabling you to make trusted decisions efficiently, Ment.io propels you toward action and success.

Journal

Seed Round in 2017
Journal's mission is to help people focus and bring new ideas to life. Much of our personal and professional lives run on apps. Yet these tools create boundaries between our activities, require constant checking, and have enabled a culture of interruptions. Journal gives individuals and groups a focused “space” to find, remember, and share all the information they need to have fun and do good work.

Plato

Venture Round in 2017
Plato is a mentorship platform designed to assist engineering and product leaders in developing essential soft skills and enhancing team dynamics. Through its platform, Plato facilitates connections between emerging leaders and experienced mentors from leading tech companies, enabling personalized one-on-one sessions and access to a rich knowledge base. Founded in 2017 by Quang Hoang and Jean-Baptiste Coger, Plato aims to address management challenges within organizations by offering actionable advice and insights on career development and team engagement. With offices in San Francisco and Paris, Plato has rapidly established itself as a prominent player in the mentoring space, drawing on the expertise of its mentors to empower clients in their leadership journeys.

Parabol

Convertible Note in 2017
Parabol, Inc. is a company that specializes in developing an open-source meeting application tailored for remote and agile teams. Founded in 2015 and based in Alhambra, California, Parabol enables distributed teams to conduct meetings and retrospective sessions effectively, fostering collaboration regardless of location or time zone. The platform facilitates real-time or asynchronous interactions, allowing teams to generate automatic insights about their performance from online collaboration activities. Meeting notes and tasks are automatically compiled into summaries, which are shared with team members and stakeholders. Parabol also integrates with other tools like Jira, Confluence, GitHub, and Slack, enhancing productivity by streamlining workflows. Additionally, the application analyzes meeting data to provide valuable insights into team dynamics, helping organizations identify challenges and improve overall performance.

Twine

Seed Round in 2016
Twine is a connected hardware platform for video conferencing and collaboration. Twine is the modern workplace connector, seamlessly linking Slack and other collaboration environments to your conference rooms and other meeting spaces. Now simple, magical control over video conferencing, presentations, and team collaboration is possible. Their Alexa integration will allow you to magically start calls, present, and book rooms just by using your voice.

Plato

Seed Round in 2016
Plato is a mentorship platform designed to assist engineering and product leaders in developing essential soft skills and enhancing team dynamics. Through its platform, Plato facilitates connections between emerging leaders and experienced mentors from leading tech companies, enabling personalized one-on-one sessions and access to a rich knowledge base. Founded in 2017 by Quang Hoang and Jean-Baptiste Coger, Plato aims to address management challenges within organizations by offering actionable advice and insights on career development and team engagement. With offices in San Francisco and Paris, Plato has rapidly established itself as a prominent player in the mentoring space, drawing on the expertise of its mentors to empower clients in their leadership journeys.

Candor, Inc.

Seed Round in 2016
Radical Candor is the ability to give feedback in a way that challenges people directly and shows you care about them personally. Radical Candor will help you and all the people you work with do the best work of your careers, and it will improve your relationships.

Awesome AI

Seed Round in 2015
Awesome is your Slack Sidekick, an intergalactic Bot that makes space for your team by offering Status, Sidebars, Do Not Disturb and more. Awesome is in development at Habitat. Awesome is opening Alpha access in order to learn from your feedback and make Awesome even Awesome-er.

Begin

Seed Round in 2015
Begin is a company that specializes in developing and marketing an interactive bot application programming interface aimed at enhancing user communication and collaboration. Founded in 2015 and based in San Francisco, California, Begin's platform allows users to create groups and teams, facilitating the assignment and management of tasks. The company leverages command messaging technology to automate tasks over the Internet, significantly improving organizational teamwork and efficiency. With a focus on creating fully-featured, globally scalable applications, Begin aims to transform static processes into dynamic, collaborative environments for businesses.

Screenhero

Acquisition in 2015
Screenhero provides real-time collaboration web tools. Screenhero lets you screen share any application with anyone, no matter where they are. It's super simple and blazing fast. You each get your own mouse pointer, and you're both always in control. It's designed for collaboration, not just broadcasting your screen. It's like Google Docs for any application on your computer. Screenhero was founded in 2013 by the team that previously worked on iTeleport, a remote desktop app for iOS and Mac.

Spaces

Acquisition in 2014
Spaces is a collaboration tool based in San Francisco that facilitates seamless sharing and collaboration among users. The software allows individuals to combine various types of content, including text, files, images, to-dos, and code snippets, enabling them to discuss projects, comment on specific elements within documents, and make collaborative edits. Users can manage their projects privately or share them with colleagues, enhancing teamwork and productivity. Spaces integrates with popular web-based tools such as Dropbox, Google Drive, GitHub, and Jira, providing a comprehensive solution for project management and collaboration. Founded by Hans Larsen and Simon Vallee, Spaces aims to streamline the collaborative process for teams across different industries.
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