Datomic - The fully transactional, cloud-ready, distributed database
Workday - Workday is an on‑demand financial management and human capital management software solution.
Datahike - A durable datalog database adaptable for distribution.
Paylocity - Paylocity has revolutionized the industry and has quickly become the leading independent provider of online payroll services and HR solutions.
Valentina Server - Valentina Server is 3 in 1: Valentina DB Server / SQLite Server / Report Server
Paycom - Paycom is a Human Capital Management system that helps companies manage the complete employment life cycle, from recruitment to retirement.