Companies

Sigma Computing is a San Francisco-based analytics platform that lets users explore and build on cloud data warehouses using a spreadsheet-like interface, SQL, or Python.

Sisense is a business intelligence and analytics platform based in New York that provides embedded analytics and data visualization tools for enterprises and software vendors.

Sketch B.V. is a Dutch design software company that develops Sketch, a macOS-native vector editor and collaboration platform for UI/UX designers.

Skillshare is a New York City-based online learning platform offering subscription access to video classes in illustration, design, photography, and video production.

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SmartRecruiters is a San Francisco-based provider of cloud-based talent acquisition software for enterprise recruiting and hiring.

Smartsheet is a cloud-based work management and collaboration platform headquartered in Bellevue, WA, offering project tracking, automation, and reporting tools for enterprise teams.

SnapLogic is a San Mateo-based iPaaS provider founded in 2006, offering an enterprise integration platform that connects cloud data, SaaS applications, and APIs.

Snorkel AI is a Redwood City-based AI data development platform that uses programmatic labeling and expert feedback to build specialized datasets for LLMs and enterprise models.

Snowflake is a publicly-traded cloud data platform company headquartered in Bozeman, Montana, providing data warehousing, data lakes, and AI/ML workloads across AWS, Azure, and Google Cloud.

Snyk is a Boston-based developer security company offering tools to find and fix vulnerabilities in code, dependencies, containers, and IaC.

Sonix builds an AI transcription platform that turns audio and video into text, translations, and subtitles across 50-plus languages. Based in San Francisco.

Sourcegraph is a San Francisco-based code intelligence company whose Cody AI coding assistant and code search are used by enterprise engineering teams.

Speak is a San Francisco-based AI language learning platform that teaches conversational fluency through AI-driven spoken practice and real-time feedback.

Speechify is a Miami-based text-to-speech application that converts documents, PDFs, and web pages into audio using synthetic voices.

Cambridge, UK-based AI speech technology company building speech-to-text, translation, and voice agent APIs for enterprises and developers.

Spline is a web-based 3D design tool that lets designers create, animate, and export interactive 3D content for web, iOS, and Android without writing code.

Splunk is a San Francisco-based software company that provides a platform for searching, monitoring, and analyzing machine-generated data, primarily used for security information, event management, and IT operations.

SpotDraft is a contract lifecycle management platform based in San Francisco that helps legal and business teams draft, negotiate, sign, and manage contracts.

Sprinto is a compliance automation platform based in San Francisco that helps companies achieve and maintain security certifications such as SOC 2, ISO 27001, HIPAA, and GDPR.

Squarespace is a New York-based website building and e-commerce platform offering templates, domain registration, and hosting for individuals and businesses.

Squirrel AI is a Shanghai-based adaptive learning company that builds AI-driven tutoring systems for K-12 education in China.

Stability AI is a London-based AI research company known for releasing the Stable Diffusion family of open-source image and media generation models.

StackBlitz is the San Francisco-based company behind WebContainers browser-runtime technology and Bolt.new, its AI app builder that generates and deploys full-stack web applications from natural language prompts.

Stripe is a San Francisco-based financial infrastructure company that provides APIs for online payments, billing, and money movement.

Stylitics is a New York-based AI platform for retailers and brands that generates outfitting recommendations, product imagery, and personalization for e-commerce sites.

Sudowrite is a fiction-focused AI writing tool based in San Francisco that helps authors develop plots, characters, and scenes using models from Anthropic, OpenAI, and its own Muse model.

Suki AI is a Redwood City-based company that provides an AI-powered voice assistant and ambient documentation platform for clinical settings, helping physicians generate notes and complete EHR tasks.

Suno is a Cambridge, Massachusetts-based AI music generation company that lets users create original songs from text prompts.

Sunsama is a daily planning tool that combines task management and calendar integration, designed to help professionals structure and prioritize their workday.

Supabase is an open-source backend-as-a-service platform built on PostgreSQL, offering managed databases, authentication, storage, and realtime APIs.

Superconductive is the company behind Great Expectations, an open-source data quality and testing framework for data pipelines.

Supernormal is a San Francisco-based AI meeting assistant that transcribes, summarizes, and generates notes from video calls on Google Meet, Zoom, and Microsoft Teams.

Supio builds an agentic AI platform for personal injury and mass tort plaintiff law firms, automating document review, medical chronologies and drafting. Seattle-based.

Surfer is a content optimization platform based in Wrocław, Poland, that analyzes search engine results to provide data-driven recommendations for on-page SEO and content creation.

Synthesia is the #1 rated AI video generation platform.

Synthesis is an Austin-based educational platform offering game-based collaborative problem-solving and AI math tutoring for children ages 5-14.

Synthflow is a Berlin-based voice AI platform for building and deploying low-latency conversational voice agents for enterprise call automation.

Tabnine is an AI code completion and assistant tool based in Tel Aviv that integrates with major IDEs and supports multiple programming languages.

Tactiq is a browser extension and web app that transcribes Google Meet, Zoom, and Teams calls in real time, generating AI summaries and action items.