SaaS Startups
28,605 companies tagged SaaS, with their investors and founders.
OneCause builds fundraising and giving software for nonprofit organizations, supporting events, auctions, and donor engagement. Formerly known as BidPal, the company serves nonprofit clients seeking to run fundraising campaigns and improve the giving experience.
3 investors
OneDay creates interactive video pages and automated video campaigns powered by AI. The platform enables sales and marketing teams to deliver personalized, templated video messages at scale, integrated with CRM workflows to drive engagement and conversions.
3 investors
ONEiO provides a fully managed integration service built on its Integration Ops model, connecting enterprise IT environments and multi-party systems. It serves enterprise IT teams and IT service providers, and uses its ONEAi engine trained on over a decade of complex integration data.
3 investors
OneSchema provides AI-powered data integration and validation automation for enterprise data operations teams. The platform automates data intake, extraction, mapping, transformation, and validation across multiple file formats and enterprise systems using LLM-based AI agents.
3 investors
OneShop is a multi-channel listing tool that enables sellers to cross-post inventory across multiple resale and marketplace platforms including Poshmark, Mercari, Depop, eBay, Etsy, and Facebook Marketplace.
3 investors
Onward builds AI-powered applications aimed at enhancing employee performance and automating workflows for its business customers. The company focuses on delivering software that helps organizations improve worker productivity and business outcomes.
3 investors
Onwards HR provides offboarding software that helps employers manage employee separations in compliance with corporate policy and employment laws. The platform is designed to reduce risks, cut costs, and improve equity for businesses during the employee exit process.
3 investors
Onyx is an open-source application platform for large language models that enables teams to leverage any LLM while maintaining data transparency and customization. The platform integrates internet search, internal knowledge connectors, code execution, and model context protocol integrations to provide enterprise and startup teams with flexible AI deployment options.
3 investors
Opal is an app that automatically manages technology usage by allowing users to block distracting apps on phones and desktops while tracking focus, sleep, and rest metrics to promote digital wellness and productivity.
3 investors
Open Hydro develops technology to assess and mitigate greenhouse gas emissions from freshwater systems, including reservoir emissions, providing climate mitigation and resilience insights for hydropower utilities and water industries. It serves water users and utilities worldwide with emissions management and climate action tools.
3 investors
Open Ledger provides an AI-powered embedded accounting system for SaaS platforms serving small and medium businesses (SMBs). The platform integrates financial data from multiple sources into a unified ledger with automated categorization, reporting, and reconciliation capabilities accessible directly within partner applications.
3 investors
OB-1 is a terminal-based, self-improving AI coding agent that handles the software development lifecycle from planning to pull request, generating evaluation suites and reusable skills from a team's codebase and session history. It offers multi-model access via OpenRouter and integrations with tools like GitHub, Linear, Slack, Graphite, and VS Code for developer teams.
3 investors
OpenCity offers ShiftCoach, an AI system that records and transcribes drive-thru orders to track crew performance, detect upsell opportunities, and provide real-time coaching. It serves quick-service restaurant operators looking to improve speed, order accuracy, and upsell revenue across their locations.
3 investors
Openclaims builds software for handling vehicle claims and repair processes, serving the insurance and vehicle leasing industry. Its clients include damage handlers and leasing companies such as Schadegarant and LeasePlan (now Ayvens), with operations in the Netherlands and Belgium.
3 investors
OpenComp is a compensation management tool used by HR and people teams to manage employee pay. The page presents it as an end-to-end compensation platform positioned as a source of truth for pay data.
3 investors
OpenMeter provides usage-based billing infrastructure for developers, enabling real-time metering of events, logs, and metrics to support consumption-based pricing models. The platform integrates with CRMs, payment providers, and popular programming languages to help SaaS companies implement flexible pricing strategies and maximize revenue through usage insights.
3 investors
Opennote is an AI-powered learning platform that consolidates lecture materials, notes, and readings in one place and provides contextual explanations, practice tools, and video tutorials to help students understand course content.
3 investors
OpenStudio is a design studio building AI-powered creative design tools for designers. The team, drawn from companies including IDEO, Apple, Adobe, and Pinterest, focuses on tools that support designers' creative work.
3 investors
OpenYield operates a marketplace for fixed income trading that uses algorithmic liquidity and modern technology to provide automated, executable pricing for bonds. The platform serves institutional and retail investors, modernizing the $100 trillion fixed income market.
3 investors
Opscompass is a software asset intelligence platform that provides real-time visibility into cloud, on-prem, and database environments, tracking configuration drift, security and compliance checks, and software licensing costs. It serves IT and infrastructure teams managing hybrid and multi-cloud environments, offering automated asset discovery, cost optimization insights, and AI-powered summaries.
3 investors
OpsLevel provides an internal developer portal with out-of-the-box integrations and automation, plus customization options for engineering teams. The platform lets teams tailor their developer portal to specific workflows and needs.
3 investors
Optimeleon is a marketing tool that generates multiple landing page variants from a single URL and automatically serves each visitor the version most likely to convert, using continuous optimization instead of traditional A/B testing. It targets marketers, applying brand styling and matching page variants to incoming ads without requiring engineering work.
3 investors
Oqoqo is an experimentation platform for testing and evaluating agentic AI workflows in production-like, isolated sandbox environments. It lets developers define repeatable experiments across agents, models, and versions, capture full execution traces, and measure metrics like success, latency, token use, and cost, with support for tools such as Claude Code, Codex, Cursor, and GitHub Copilot.
3 investors
Orbb is a relationship intelligence platform that analyzes an organization's calendar, email, and social connections to surface warm introduction paths into target accounts. It helps go-to-market and sales teams find new opportunities, reach prospects through trusted relationships, and track key contacts as they change jobs.
3 investors














