GnuCash - A personal and small-business financial-accounting software, licensed under GNU/GPL and available for Linux, Windows, Mac OS X, BSD, and Solaris.
Cherry - Let employees take company perks in their own hands
Synder - AR Automation
Achievers - Achievers offers the only true-cloud employee success platform.
Xero - Xero is online accounting for your small business.
Reward Gateway - Boost employee engagement by simplifying and uniting communications, recognition, perks and more in one easy-to-use employee engagement platform.