Launched in 2018. It's 2023 and PySimpleGUI is actively developed & supported. Create complex windows simply. Supports tkinter, Qt, WxPython, Remi (in browser). Create GUI applications trivially with a full set of widgets. Multi-Window applications are also simple. 3.4 to 3.11 supported. 325+ Demo programs & Cookbook for rapid start. Extensive docs

SystemTrayMenu - Browse and open your files easily

Cross-platform SystemTray support for Swing/AWT, macOS, GtkStatusIcon, and AppIndicator on Java 8+

Tray Icon implementation for JavaFX applications. Say goodbye to using AWT's SystemTray icon, instead use a JavaFX Tray Icon.

ASuite is a simple open source portable launcher for Microsoft Windows.

System tray for github reviews

An open-source Windows application that serves as a system tray utility for efficient access to files, folders, scripts, and other resources

A fast and easy status bar built in qt

Switching between power plans on Windows was never easier.

a cross platfrom V library to place an icon and menu in the notification area

Program that automatically moves desired files from one folder to another

StatusNotifierWatcher service using GDBus

A simple but practical (Windows) tray web browser, media / stream player and program launcher.

Helps you keep anything in mind (and in sight) while you work on your computer.

A simpler method of controlling your favorite time service.

This is a simple app that show the cpu usage in the task bar.

Simple key and click counter app (FOSS alternative for WhatPulse)

Runs custom commands in OSX terminal with two clicks

Wizard101 tray icon for quick in-game object information from the wiki

Example of an AllBar configuration.