Buddy Punch - Cloud based time tracking, scheduling, and payroll solution that streamlines payroll for small and mid-sized businesses. Employees can punch in on their desktop or mobile devices.
MediaWiki - MediaWiki is a free software wiki package written in PHP, originally for use on Wikipedia.
Clockify - Simple and free time tracker. Perfect for small and mid-sized businesses as well as freelancers. Unlimited projects and users, unlimited productivity. Get all the premium functionalities, completely free.
TiddlyWiki - a non-linear personal web notebook
When I Work - When I Work is an employee scheduling and communication app using the web, mobile apps, text messaging, social media, and email.
Confluence - Confluence is content collaboration software that changes how modern teams work