卷尺系列控件，包含：普通卷尺（如：体重）、金额尺、时间尺

Customizable and privacy-conscious open-source clock, based on AOSP Clock

一个解耦良好的计时控件，可自由扩展。

A custom view for circular progress animation on Android.

This is a simple rxjava2/rxjava3/kotlin-flow timer

TamoStudy is a free, open source work and study timer designed to enhance productivity, incorporating an enjoyable virtual pet to motivate users to concentrate on their tasks.

The best clock app there is

An alternative to ScheduledThreadPoolExecutor proof against the clock drift problem

Java tools, helper, common utilities. A replacement of guava, apache-commons, hutool

Fork of aosp deskclock: alarm,clock, timer,stopwatch

A simple library for creating circular progress bar timer view for Android.

A simple and easy to use stopwatch and timer library for android

A horizontal progress bar shrinking with time; similar to Bandersnatch choice interface.

Android lock-screen interval timer/stopwatch.

An abstraction of cron-utils for the vertx scheduler

SpringBoot实现Quartz动态调度-可视化页面操作（支持动态类，已存在java模块，命令模式执行命令和脚本）

分布式timer插件, 轻量, 易用, 去中心化, 均衡负载, 集群节点通过zookeeper同步作业, java编写

Emit event periodically (even when app is in the background)

Self Updated Timer TextView

Graphical solution to the Towers of Hanoi from 1 to 8 pieces in Java.