You may find this article on this GitHub:

JAVA

Pure Selenium Sample – Contributor: Argo Triwidodo
https://github.com/argotri/pure-selenium-example

Test Automation Sample with Gradle and Cucumber – Contributor: Hendri Antomy
https://github.com/Hendrione-Moka/sample-automation-web

Appium Java Automation wrapped just for you! – Contributor: Aldo Christian
https://github.com/aldochristiaan/salad

SerenityBDD Jbehave Screenplay Example – Contributor: Argo Triwidodo
https://github.com/argotri/serenity-jbehave-screenplay-example

Selenium Java Automation wrapped just for you! – Contributor: Okta Liem
https://github.com/Oktaliem/PageObjectPageFactoryActions

SerenityBDD with Page Object – Contributor: Argo Triwidodo
https://github.com/argotri/serenity-example

API Testing with SerenityBDD Sample – Contributor: Okta Liem
https://github.com/Oktaliem/DemoAPITestingWithSerenityBDD

SerenityBDD Cucumber Sample – Contributor: Okta Liem
https://github.com/Oktaliem/DemoSerenityBDDCucumberOrangeHRM

Selenium TestNG Allure Report & Visual Regression Testing – Contributor: Okta Liem
https://github.com/Oktaliem/OrangeHRMTestNGAllure

POC Test Automation with OWASP ZAP & Gauge – Contributor: Okta Liem
https://github.com/Oktaliem/OWASPZAPOdooGauge

GROOVY

Katalon Web Testing Sample – Azzam Nizar
https://github.com/pempekriting/project-web

JAVASCRIPT – TYPESCRIPT

Test Automation POC with Javascript – Contributor: Genta Wibowo
https://github.com/7etrahedral/automation-poc

Test Automation with TestCafe Sample – Contributor: Faris (Nisar)
https://github.com/modalqa/saucedemo

Test Automation with WebdriverIO and Cucumber Sample – Contributor: Okta Liem
https://github.com/Oktaliem/widiocucumberpoc

PYTHON

Test Automation with RobotFramework Sample – Contributor: Monica Dasena, dkk
https://github.com/monicadanesa/robotframework-mykonos

Docker RobotFramework – Contributor: Rasyid Fahroni
https://github.com/semutmerah/docker-robotframework

Dokumentasi implementasi Robot Framework dengan Appium berbahasa Indonesia – Contributor: Rasyid Fahroni
https://github.com/semutmerah/robot-appium-howto

PERFORMANCE TESTING SAMPLE

LoadRunner, Gatling, Jmeter Samples – Contributor: Okta Liem
https://github.com/Oktaliem/PerformanceTestSamples