Top Enterprise Software Startups in United States

FairwAI is building real-time accountability infrastructure to detect bias in the moments that matter most. We’re solving one of the toughest challenges in tech: how to make fairness not just a principle but a system. From healthcare and hiring to hospitality and housing, bias shows up when people are most vulnerable. FairwAI turns those moments into measurable, actionable data—using AI, computer vision, and behavioral science to flag risks and enable institutional change before harm happens. We’re not a DEI tool. We’re compliance infrastructure for a new era—where safety, dignity, and fairness are non-negotiable. Our team includes engineers, policy thinkers, civil rights advocates, and public interest technologists from MIT, Harvard, Stanford, The UN, and beyond. We’re launching high-impact projects and building the backbone of ethical AI adoption across sectors. For interns & fellows, this is not a coffee-run experience. You’ll co-design tools, analyze live scenarios, and help shape the future of bias detection and remediation. Your work will be mentored, respected, and turned into real-world impact. If you care about fairness, ethics, and building tools that actually change lives—FairwAI is where your skills meet purpose. Join us. Let’s build the infrastructure fairness deserves.

AllInOneTools is a collection of simple, free online tools designed to help you get small tasks done instantly — without signup, without friction, and without compromising privacy. We built this because most tools today feel overcomplicated. You open a site for a quick task, and you’re asked to create an account, verify email, or navigate through cluttered interfaces. That breaks the flow. Our approach is different: open → do → close. Every tool is designed to work directly in your browser, with no data tracking and no unnecessary steps. Whether it’s text utilities, converters, generators, or everyday productivity tools, the goal is always the same — make it fast, simple, and reliable. Built and maintained as an independent project, AllInOneTools focuses on solving real, everyday problems with minimal effort from the user.

Software is for running engineering teams is clunky, isolated, and costly - leveraging AI tools on top of them is harder than it should be. We're building a brand new workspace, from the ground up and open-source, to make the development process as frictionless as possible. Inter-team messaging, email wrappers, Markdown notes, Github integration, developer task management, a LaTeX editor, we want it all! You can check out, and contribute to, our repo here: github.com/macro-inc/macro We're an NYC based company, at Series A1 stage, in-office 5 days a week and fully comprised of software engineers from the top-down. We offer competitive compensation, great benefits, and an office culture unlike any other startup you've seen. If you like Rust, if you "like" Typescript, if you like AWS Cloud Development, if you're into open-source development creating tools for other engineers, give us a call!

We create AI-powered video, cinematic content, and scalable storytelling systems for brands that want attention.

PayOS is a next-generation card-based payments and billing platform powering agent-driven commerce. The platform enables agents to securely vault cards, streamline checkouts, send and receive payments, and manage billing—all through a unified, compliant system. With PayOS wallets, users link their card once for seamless payments across agent-driven workflows. Processor-agnostic by design, PayOS offers businesses secure, flexible integration with their preferred payment processors. By integrating agentic events, billing, and charging users, the platform enables agents to monetize users effectively. payos.ai/blog/payos-launch

LinguaScale has built AI that models how cross-border ecommerce shoppers in each market actually search, then rewrites product listings to match — the right category words, brand terms, and everyday language local buyers really type. It's not translation; it's discovery. Behind it sits a data engine that scores how findable a listing is and tracks how that changes its ranking and sales.