Clerk provides a simple, flexible authentication solution for modern applications with support for multiple auth protocols and developer-friendly APIs.

Clerk offers free authentication for up to 50,000 monthly active users (increased from 10,000 in 2026). Pro plans start at $25/month with additional users charged at $0.02 per MAU beyond the 10,000 threshold. The platform supports SAML, OIDC, and Enterprise SSO across all tiers. Features include email verification, passwordless sign-in, two-factor authentication, and custom branding.
Inventory Management Software & Small Business ERP
G2 Rating
Starting Price
Cin7 is a cloud-based inventory and order management platform that connects sales channels, suppliers, and warehouses for real-time visibility. It serves small businesses and mid-market companies needing multichannel inventory control.
Multi-channel selling tool for online retailers
Founded
G2 Rating
Sellbrite is the number one multi-channel selling tool enabling online sellers to list products on major marketplaces including Amazon, Walmart, Etsy, and eBay. The platform streamlines product listing, inventory management, and order fulfillment.
Microsoft Gold Certified Partner for ERP and cloud solutions
MetaOption is a leading solution provider of Microsoft Technologies and Consulting services, specializing in business applications and cloud solutions. The company is a global information technology company headquartered in Jersey City, New Jersey that provides IT services to clients globally.