South Park Commons

AI search visibility platform helping businesses understand and optimize how they appear in AI-powered search results. Provides analytics and tools for brands to track their presence across AI assistants like ChatGPT, Claude, Perplexity, and Google AI Overviews.

Clerk provides a complete suite of embeddable authentication UIs, flexible APIs, and admin dashboards for user management. The platform handles sign-up, sign-in, multi-factor authentication, organization management, and session handling, allowing developers to add secure auth to their applications in minutes instead of months. Clerk integrates natively with Next.js, React, and other popular frameworks.

Online visa processing platform that simplifies travel visa applications across 150+ destinations. Reduces average application time from 12.7 hours to approximately 7 minutes. Has processed over 5 million visas. Founded by former Pinterest engineer Mohak Nahta.