SaaS Startups

The page presents itself as a set of LLM-oriented documentation reminders rather than a standard marketing site. It describes a platform (formerly known as Stack Auth) offering developer apps for connecting with users, including authentication, fraud protection, teams, RBAC, API keys, payments, emails, webhooks, and analytics, delivered via SDKs for JavaScript/TypeScript, Next.js, React, and TanStack Start.

4 investors

Stanify provides an AI platform for enterprise brands to manage social media comments and DMs, automatically moderating toxic content, drafting on-brand replies, and routing messages to support, sales, or legal teams. It also surfaces trends, leads, and PR risks from social conversations with per-market and per-campaign rules and full audit logging.

4 investors

Staple provides an AI document-processing platform that verifies, extracts, and validates data from financial documents while building audit evidence into the process, including tampering detection, per-field audit trails, and e-invoice validation against tax authorities. It serves compliance and risk teams in regulated industries such as finance and insurance, with regional environments and e-invoicing connections across Singapore, Malaysia, China, the EU, and the US.

4 investors

Stardog provides an Enterprise Knowledge Graph platform that enables enterprises to unify hybrid and varied data based on meaning. The platform serves banks, manufacturers, and pharmaceutical companies undergoing digital transformations.

4 investors

Stay22 provides an accommodation-booking integration for transportation and ticketing platforms, adding hotel and lodging options alongside a platform's existing search and booking flow so the platform earns commission on stays. It connects to a global supplier network of over 35 million listings and handles bookings through its own suppliers.

4 investors

Steadi is an AI-driven platform for logistics teams that combines freight rate management, root-cause cost analysis, and automated workflows to identify where operational freight spend is slipping and prevent budget overages. It tracks rate changes, applies governance rules and approvals, updates TMS rates, and assigns tasks with owners and SLAs to keep budgets under control.

4 investors

Steelhead provides production visibility and management software for manufacturing operations, enabling real-time tracking of parts, profitability, productivity, and quality through operator workboards and granular production data.

4 investors

Steep builds business analytics software that distributes data insights across organizations, addressing the challenge of making analytics accessible beyond specialized analysts.

4 investors

Stellapps builds the SmartMoo™ full-stack IoT platform that digitizes and optimizes milk production, procurement, and cold-chain management using sensors, big data, and machine learning. It serves dairy farmers and cooperatives in India and other emerging markets, and its platform reportedly processes over two billion liters of milk annually.

4 investors

A financial technology platform that provides APIs for launching credit products, handling regulatory compliance, underwriting, loan servicing, credit reporting, and debt capital sourcing.

4 investors

Stitch is a platform for clinical research sites that provides participants with a digital interface for their study visits, appointment reminders, and feedback, while reducing administrative workload for study coordinators. It aims to improve enrollment, reduce no-shows, and increase ePRO compliance in clinical trials.

4 investors

Stockmark is a Japanese company that develops large language models and AI-based products, offering both an AI PaaS platform and AI SaaS applications for businesses. The company also conducts research and development in natural language processing and LLMs.

4 investors

Strada builds AI agents that automate insurance operations, handling customer interactions across voice, email, chat, and SMS integrated into carrier, MGA, and broker systems.

4 investors

Strala is an integrated insurance claims partner that combines AI-native technology with experienced claims professionals to handle claims for insurance carriers, aiming to reduce cycle times and loss ratios. It serves enterprise insurance customers in the US, including clients for several of the largest carriers.

4 investors

Strapi is a headless content management system that enables content teams to create, update, and publish website and app content without developer assistance. The platform targets business teams and developers who need faster content delivery and customizable templates across websites, apps, and IoT projects.

4 investors

Strategikon Pharma develops Clinical Maestro, a software platform for managing clinical business operations including budgeting, sourcing, contracting, and vendor management, with AI-driven cost benchmarking tools. It serves biopharmaceutical companies of all sizes and Clinical Research Organizations (CROs) involved in clinical trial outsourcing.

4 investors

Stravito is an AI platform that helps large enterprises search, interact with, and validate business decisions against their existing research and market intelligence data. The platform serves teams across 20+ industries by making internal consumer and market insights accessible and actionable at the speed business decisions require.

4 investors

Streamline provides a comprehensive platform offering compliant websites, marketing communications, staff intranet, and payment processing tools designed specifically for special districts. The company serves rural and urban special districts across the United States, enabling small teams to manage community engagement and regulatory compliance without specialized technical expertise.

4 investors

Studio is a platform for creating and sharing AI-powered personalized coaching apps built by expert creators, covering categories such as health, wellness, business, career, and personal development.

4 investors

StyleRow is a project management platform built for interior designers that includes budgeting, invoicing, client dashboards, moodboards, and order tracking features. It enables designers to organize workflows, manage items, and collaborate with clients and team members.

4 investors

Sugar builds software to help residential communities strengthen their internal relationships and member engagement. The platform is designed for property managers and community leaders to foster pride and connection among residents.

4 investors

Flowcart (Sukhiba) offers an AI-powered WhatsApp commerce platform that lets shoppers browse, receive personalized product recommendations, add to cart, and pay entirely within WhatsApp, with agents for cart recovery, upsell, winback, reviews, loyalty, and broadcasts. It serves e-commerce brands and retailers, integrating with existing ERPs and 50+ payment gateways across Africa, India, and global markets.

4 investors

Summer builds an asset intelligence platform for short-term rental (STR) operators, offering revenue forecasting, market intelligence, and performance analytics. It serves independent owners, investors and underwriters, and property managers who need to benchmark properties, underwrite deals, and optimize revenue.

4 investors

Sunbound provides a revenue operations platform for senior living communities that automates billing, payment collection, and insurance claims processing. The company serves senior living operators seeking to reduce administrative burden and financial leakage while enabling staff to focus on resident care.

4 investors