Companies

Phind is a San Francisco-based AI search and coding assistant that produces cited, developer-focused answers using its proprietary LLM and web retrieval.

Photomath is a mobile app that uses a smartphone camera to scan and solve math problems, providing step-by-step explanations. It was acquired by Google in 2023.

Photoroom is a Paris-based AI photo editing app used to remove backgrounds, generate AI backgrounds, and edit product and marketing images.

Phrasee is a London-based AI marketing language platform that generates high-performing copy for email subject lines, push notifications, and digital ads.

Picsart develops AI-powered photo and video editing apps and design tools for web, iOS, and Android, and creative APIs. Based in Miami Beach, Florida.

Pictory is a cloud-based video creation platform that converts text, scripts, or long-form content into short videos using AI, without requiring video editing software.

Pika Labs is an AI video generation platform based in Palo Alto that converts text prompts and images into short video clips via a web-based interface.

Pilot provides bookkeeping, tax, and CFO services for startups and small businesses, pairing dedicated accounting teams with software, based in San Francisco.

Pimcore GmbH is an open-core software company headquartered in Salzburg, Austria that provides unified PIM, DAM, MDM, CDP, and DXP management solutions.

Pinecone is a fully managed, serverless vector database based in New York, designed for AI applications including semantic search, retrieval-augmented generation, and recommendation systems.

Pipedream is a developer-focused integration platform based in San Francisco that enables connecting APIs, building event-driven workflows, and automating processes with code or pre-built components.

Pipedrive is a New York-based sales CRM and pipeline management tool aimed at small and medium-sized sales teams.

Pipefy’s AI Agents take charge of repetitive tasks and processes, ensuring everything stays on track. Build your dream team right now!

Piper is an AI SDR agent built by Qualified, a San Francisco-based pipeline generation platform that automates inbound buyer engagement via website chat, email, and meeting scheduling.

Pixlr is an online photo editing and design platform offering AI-powered image editing, background removal, and graphic design tools.

Plaid is a San Francisco-based financial data network that provides APIs enabling applications to connect to users' bank accounts and financial institutions.

Plane develops open-source project management software for software teams, offering cloud, self-hosted, and air-gapped deployment options.

Playground is a San Francisco-based AI design studio founded in 2022 that enables users to create graphics, logos, and social content using AI image generation models.

London-based enterprise voice AI company building conversational dialog agents that automate customer service calls for contact centers.

PostHog is an open-source product analytics platform combining event tracking, session replay, feature flags, and A/B testing, headquartered in San Francisco with a fully distributed team.

Postman is a San Francisco-based company offering a collaborative API development platform for designing, testing, and documenting APIs.

San Francisco-based provider of LLM fine-tuning and serving infrastructure using LoRA adapters, founded in 2021. Acquired by Rubrik in June 2025.

Prefect is a Washington, DC-based workflow orchestration platform with an open-source core, used to build, schedule, and monitor data pipelines and AI workflows.

Promptfoo is an open-source platform for testing, evaluating, and red-teaming large language models and AI applications, used to identify vulnerabilities before production deployment.

Pulley is a San Francisco-based cap table and equity management platform for startups, offering tools for cap table tracking, 409A valuations, fundraising modeling, and compliance.

Pydantic is a London-based data validation and AI agent framework company behind the widely-used Pydantic Python library and Logfire observability.

Qdrant is an open-source vector database and similarity search engine written in Rust, headquartered in Berlin. It provides a service for storing, searching, and managing high-dimensional vectors with a REST and gRPC API.

Qlik is a King of Prussia, Pennsylvania-based data integration and analytics company offering Qlik Sense, Talend, and data fabric tools.

Qualtrics is a cloud-based experience management software company headquartered in Provo, Utah, offering tools for collecting and analyzing customer, employee, product, and brand feedback.

Quantum Workplace is an Omaha, Nebraska HR software company founded in 2002 that offers employee engagement, performance management, and recognition software.

Quickbase is a Boston-based no-code application development platform used by enterprises to build operational apps across manufacturing, construction, and services.

QuillBot is a Chicago-based AI writing company offering paraphrasing, grammar checking, and summarizing tools. It operates as a unit of Learneo, Inc.

Quizlet is a San Francisco-based education technology company offering a freemium platform with flashcards, practice tests, and study games used by students and teachers.

Quora is a Mountain View-based Q&A platform and home of Poe, its AI chatbot aggregator that provides access to dozens of leading LLMs in a single interface.

Ramp is a New York-based financial operations platform offering corporate cards, expense management, bill pay, and accounting automation.

Create AI agents you can trust with Rasa’s powerful platform, designed to scale, customize, and support real business needs across channels.

Raven Tools is a marketing reporting platform that consolidates SEO, social, and PPC data into client-ready reports.

Read AI is a Seattle-based meeting intelligence platform that provides automated transcription, summaries, and engagement analytics for video meetings across Zoom, Teams, and Google Meet.

Rebuff is an open-source LLM prompt injection detection framework maintained by Protect AI, designed to secure AI applications against adversarial inputs.

Rebuy Engine is a Shopify-focused personalization platform based in Scottsdale, AZ, offering product recommendations, upsells, cross-sells, and post-purchase flows for e-commerce merchants.