VOGSY - Professional service automation tool built on Google G Suite
Spring Security - The Spring portfolio has many projects, including Spring Framework, Spring IO Platform, Spring Cloud, Spring Boot, Spring Data, Spring Security...
HarmonyPSA - HarmonyPSA - Professional Services Automation (PSA) for IT Businesses
Firebase Authentication - Application and Data, Application Utilities, and User Management and Authentication
Timewatch - Timewatch offers time tracking, expense management, resource scheduling and professional services automation solutions.
JSON Web Token - JSON Web Tokens are an open, industry standard RFC 7519 method for representing claims securely between two parties.