madCodeHook
EasyHook
Code Project
Deviare API Hook
Microsoft Research Detours
Synced
Cal
Calendly
Clockwise
CalendarBridge
FreeBusy
Google Calendar
MeetBit.io
Synced is an Availability Intelligence platform that helps teams instantly identify the best time to meet across people, departments, and organizationsโwithout the endless back-and-forth of scheduling emails. By connecting calendars across Google and Outlook and integrating directly into Slack, Synced gives users real-time visibility into availability while respecting privacy through trusted contact controls. The result is faster coordination, fewer scheduling headaches, and more productive teams.
madCodeHook
SyncedEasyHook - The reinvention of Windows API Hooking
Cal - What if your Google Calendar was designed to make you more productive?
Code Project - Developers' community
Calendly - Say goodbye to phone and email tag for finding the perfect meeting time with Calendly. It's 100% free, super easy to use and you'll love our customer service.
Deviare API Hook - Deviare is a professional open source hooking engine for instrumenting arbitrary Win32 functions, COM objects, and functions which symbols are located in program databases (PDBs).
Clockwise - Time & attendance tracking with QuickBooks integration