Zeffu

Founded in 2011, CallHub is an easy to use and award winning voice broadcasting, phone banking and SMS broadcast software that seamlessly integrates with users' existing systems. They are used across 200 countries and world renowned campaigns run by Uber, Greenpeace, Harvard University, Princeton University, Change.org, Save the Children, United Workers Union, among many others.

Check out the video below for a sneak peek into the product!

CallHub, headquartered in Washington DC, is the leading digital organizing platform for political campaigns, nonprofits, advocacy groups, and businesses seamlessly interact with their audiences worldwide.

The product

Their call center software enables unlimited agents to connect with people over a call to have personalized one-on-one conversations. The range of automated dialers (which include Power, Preview, Predictive, and Fast Click dialers) gives clients complete control over their dialing speed based on your needs while maintaining compliance. With features like answering machine detection, voicemail drop, phone number verification, and many more, the software ensures you spend maximum time having quality conversations. CallHub's mass texting solution lets users connect with people over SMS with solutions like Bulk SMS, MMS, SMS Opt-in and peer-to-peer texting.

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About Pendo

Pendo is a leading product experience and software analytics platform that helps companies understand how users interact with their software and improve those experiences. It operates in the product analytics and digital adoption space, enabling organizations to combine analytics, in-app guidance, and user feedback in one unified platform.

Pendo – Key Highlights

• Founded in 2013, headquartered in Raleigh, North Carolina
• Serves 14,000+ companies globally
• Processes 20B+ daily events and supports 1B+ users
• 850+ employees across global offices
• Raised $350M+ total funding from investors like General Atlantic, Tiger Global, and Sapphire Ventures

Chisel was acquired by Pendo in 2026, marking a key milestone in its journey. The acquisition strengthens Pendo’s push into AI-driven product experience, with Chisel’s agentic capabilities becoming a core part of Pendo’s broader platform vision.

Chisel Labs is an AI-powered product management platform built to help product teams move faster and make better decisions. It operates in the product management and AI SaaS space, bringing feedback, roadmapping, and documentation into a unified system of record.

At its core, Chisel functions as an AI PM Agent, automating workflows like PRDs, research, and feedback analysis - allowing teams to focus on strategy, prioritization, and product outcomes.

About Chisel

Chisel is a lean, globally distributed team with presence across the US and India. The team operates at the intersection of AI, product management, and enterprise SaaS, with a strong emphasis on ownership, speed, and building for real-world product teams at scale. Post-acquisition, the team is now part of Pendo’s broader organization.

🏆 Milestones

• Founded in the early 2020s as a next-gen product management platform
• Built one of the early AI-native PM agents for automating product workflows
• Grew adoption across global teams with integrations like Jira, Salesforce, and Zendesk
• Achieved strong product recognition across PM tooling ecosystems
• Acquired by Pendo (2026) to accelerate AI innovation in product experience

The company offers end-to-end software solutions by combining business domain experience, technical expertise, industry knowledge, and quality-driven delivery model. It guides clients through the full cycle of digital product development, from conceptualization to deployment. The company has a strong history of providing software solutions to various industries, including healthcare, finance, retail, and manufacturing. Its use-cases include developing custom software applications, mobile applications, and web applications. The company's solutions help clients solve their business problems by providing them with innovative and efficient software solutions. The company operates in various industries, including healthcare, finance, retail, and manufacturing. It provides software solutions to clients in these industries to help them improve their business processes, increase efficiency, and reduce costs. The company's solutions are tailored to meet the specific needs of each client, ensuring that they receive the best possible software solution.

Miror Therapeutics is a FemTech startup redefining women’s health—from perimenopause to full-spectrum care—with science-backed supplements tailored for 150M+ Indian women and over a billion globally. Creating a Menopausitive World