Similar projects to ClockworkFramework

[derekantrican]

There are a few similar libraries to ClockworkFramework. I should look at these and see if I should abandon ClockworkFramework, or if I like some of the features I've added, or if I can take inspiration from these:

• https://github.com/kevincolyar/CronNET
• https://www.quartz-scheduler.net/
• maybe more?