Gusto

Paychex, Inc. is a U.S.-based provider of payroll, human resources, and benefits outsourcing services for small- and medium-sized businesses. The company offers payroll processing, HR administration, time and attendance, employee benefits, and PEO services. Paychex is publicly traded and serves clients across the United States.

ADP (Automatic Data Processing, Inc.) is an American company that provides payroll, human resources, tax and benefits administration services. It offers cloud-based payroll processing, HR management, time and attendance, tax compliance, and workforce analytics for businesses of various sizes.

Ever Gauzy is an open business management platform from Ever Co. that combines enterprise resource planning, customer relationship management, human resources, applicant tracking, sales, finance, inventory, and project management. It includes employee time, activity, and productivity tracking; employee and contractor management; onboarding; candidate interviews; contacts; schedules; projects and tasks; goals and KPIs; sales pipelines; proposals; accounting, invoicing, billing, payments, income and expenses; time off; reporting; and organization, role, permission, currency, and language management. The platform also provides headless APIs, integrations, data import and export, and dashboards for business metrics. Gauzy can run as a browser-based platform through its server and API, as an all-in-one desktop application, or as a desktop timer for employee time and activity tracking. The server includes the Gauzy API, a web interface, and SQLite support, with external PostgreSQL available; the platform can also be configured with databases such as MySQL, MariaDB, CockroachDB, Microsoft SQL Server, Oracle, and MongoDB. Its documented deployment options include Docker Compose, Kubernetes, cloud and virtual-instance configurations, and a hosted SaaS environment. The repository is implemented with TypeScript, Node.js and NestJS, Nx/Lerna, Angular, RxJS, and database libraries including TypeORM, MikroORM, and Knex. The platform is distributed under Ever Gauzy Community Edition, Small Business, and Enterprise license arrangements, with the default license being the Community Edition license unless another agreement applies.

Paddle is a commerce platform and payments provider for software and SaaS companies. Operated by Paddle, it provides payment processing, subscription billing, invoicing, tax and compliance handling, and related merchant services for software vendors.

**Stripe** is a financial technology company that provides online payment processing software and APIs for businesses of all sizes. Founded in 2010 by Irish brothers Patrick and John Collison, it lets companies accept payments, manage subscriptions and billing, handle tax compliance, prevent fraud, and access treasury and banking tools. Headquartered in South San Francisco and Dublin, it remains privately held.