Top 20 NuGet scheduler Packages

Simple job scheduler for .NET/.NET Core
A simple, easy to use job execution engine built on top of Quartz Enterprise Scheduler .NET
StructureMap IoC container support for Hangfire. Supports both .NET Framework and .NET Standard.
Ultra-fast distributed actors for .NET.
.Net ASP.NET Job Scheduler Long-Running
DNTScheduler.Core is a lightweight ASP.NET Core's background tasks runner and scheduler.
High performance schedulers controls for WPF.
A simple .NET job scheduler along the lines of Hangfire or Quartz but with a reduced feature set and simpler API.
Background work utilities for .NET Core apps based on Hosted services. Background work scheduler with cron.
Quartz.NET46 JSON Serialization Support
Quartz.NET46 TimeZoneConverter integration https://github.com/mj1856/TimeZoneConverter
Quartz Scheduling Framework for .NET46
Quartz Scheduling Framework for .NET46
DomainWorkflows scheduler implementation using Quartz.NET library
[**Deprecated**] Sequencer has moved to the LabApps.Threading.Core package.
Core threading types based on System.Threading.Channels: EventProcessor, StateMachine, ExecutionQueue and Sequencer - a scheduler that coordinates the execution of synchronous and asynchronous tasks using a hierarchical key that defines their relative concurrency.
For more details with examples: https://github.com/ankitvarmait/Packages
MindFusion.Scheduling is a calendar and scheduling library for Xamarin.Forms. It supports yearly, monthly, weekly, daily, timetable and resource schedule views.
Code snippets for mobile-friendly layout of calendars and schedulers built with DHTMLX Scheduler .NET web control.
A fork of Hangfire's recurring background job processing (to add date ranges, and additional cron support