The Signal

The Signal

The AI Calendar attracted 3M users in less than 1 year raised $11M

Gong ARR hit $300M

John Tian's avatar
John Tian
Jul 08, 2025
∙ Paid

3 big milestones of startup’s ARR this week: Gong crossed $300M ARR, Optimizely ARR hit $400M and Aiven Surpasses $100M ARR.

For those who are not familiar with Aiven, it is a leading provider of open-source data infrastructure solutions.

Founded with a vision to streamline data infrastructure for developers, Aiven has built a platform that supports managed open-source technologies such as PostgreSQL, Apache Kafka, and OpenSearch across major cloud providers.

Aiven’s platform enables businesses to handle complex data workloads effortlessly, offering features like one-click setup, automated backups, and seamless scalability.

The company’s flagship offering, Aiven for PostgreSQL, provides a fully managed, highly available database solution tailored for demanding transactional and analytical workloads.

Gong.io is a leading AI-powered revenue intelligence platform designed to help modern revenue teams improve productivity, increase predictability, and drive revenue growth by deeply understanding customer interactions and business trends.

It serves over 4,500 customers globally, including 5 of the Fortune 10 companies, helping roles across the revenue chain—from CROs and sales managers to customer success teams—unlock their full revenue potential by replacing guesswork with data-driven reality.

AI Calendar attracted 3M users in less than 1 year

But the product that impressed me the most recently was an AI calendar. The AI-powered features and No-App strategy helped it attract 3M users in less than a year and raise $11M in funding.

User's avatar

Continue reading this post for free, courtesy of John Tian.

Or purchase a paid subscription.
© 2026 The Signal · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture