Eclipse IDE
http://www.eclipse.org/downloads/
JDK
http://www.oracle.com/technetwork/java/javase/downloads/index.html
Selenium latest Jar files
http://selenium-release.storage.googleapis.com/index.html
Selenium official wiki page
https://github.com/SeleniumHQ/selenium/wiki
Chrome Driver (chromedriver.exe)
Latest version – https://sites.google.com/a/chromium.org/chromedriver/downloads
Earlier versions – http://chromedriver.storage.googleapis.com/index.html
Firefox Driver or (geckodriver.exe)
https://github.com/mozilla/geckodriver/releases
IE driver (IEDriverServer.exe)
http://selenium-release.storage.googleapis.com/index.html
Jenkins
Windows installer – https://jenkins.io/content/thank-you-downloading-windows-installer#stable
Jenkins.war file – http://mirrors.jenkins.io/war-stable/
Jenkins.war weekly release – http://mirrors.jenkins.io/war/
Most of the selenium related jar files, we can get it from
Firefox Browser – Offline installer
Latest version – https://www.mozilla.org/en-US/firefox/new/
older versions – https://ftp.mozilla.org/pub/firefox/releases/
Chrome browser – Offline installer
https://www.google.com/intl/en/chrome/browser/desktop/index.html?standalone=1