Pumble is a cloud-based team communication and collaboration platform developed by CAKE.com, designed to serve as a secure digital HQ for businesses. It enables real-time messaging, file sharing, video conferencing, and task coordination across teams. Pumble is positioned as a free alternative to Slack and Microsoft Teams, offering unlimited users and message history even on its free plan. It is used by over 297,000 teams worldwide and is available on web, desktop, and mobile platforms.
Pumble was founded in February 2020 by Nenad Milanovic and Kelly Hook, with headquarters in Palo Alto, California. It was launched as a response to the growing need for affordable and scalable communication tools during the rise of remote work. The company has grown steadily, reaching $5 million in annual revenue by 2025 with a lean team of 45 employees. Despite its growth, Pumble remains bootstrapped, having raised no external funding to date.
Pumble offers a robust suite of features for team communication and collaboration:
These features are available across all devices and platforms, with a focus on simplicity, security, and scalability.
Pumble has not made any public acquisitions as of 2025. However, it has expanded its ecosystem through native integrations with other CAKE.com products like Clockify (time tracking) and Plaky (project management). It also supports third-party integrations via Zapier, allowing users to connect with over 3,000 apps. This expansion strategy focuses on building a modular, interoperable platform rather than acquiring external companies. [pumble.com]
Recent feature rollouts include:
Pumble continues to innovate with a focus on asynchronous communication, automation, and user experience.
Pumble promotes a remote-first, inclusive, and collaborative culture. Its parent company CAKE.com, emphasizes transparency, autonomy, and continuous learning. The company values:
Pumble’s internal culture is reflected in its product design — intuitive, flexible, and built for teams of all sizes.
Pumble is used by a diverse range of organizations, including startups, educational institutions, logistics firms, and creative agencies. It supports communities like Ioannis Gkourtzounis’s IT mentorship group, which uses Pumble to connect and educate aspiring DevOps professionals.
Customer stories highlight its impact on:
Its free plan and ease of use have made it particularly popular among small businesses and freelancers.
