my_plugin_row_meta.php

<?php

/**
 * Plugin Row Meta
 *
 * Adds GitHub and translate links below the plugin description on the plugins page.
 * Author: benhuson, tweaked by fxbenard for WP-Translations
 * Replace references to 'my-plugin' to reflect your plugin folder and file name.
 * Update the GitHub Repo and Translation links.
 *
 * @param   array   $plugin_meta  Plugin meta display array.
 * @param   string  $plugin_file  Plugin reference.
 * @param   array   $plugin_data  Plugin data.
 * @param   string  $status       Plugin status.
 * @return  array                 Plugin meta array.
 */
function my_plugin_row_meta( $plugin_meta, $plugin_file, $plugin_data, $status ) {
	if ( 'my-plugin/my-plugin.php' == $plugin_file ) {
		$plugin_meta[] = sprintf( '<a href="%1$s" title="%2$s">%3$s</a>', 'http://github.com/benhuson/my-plugin', __( 'Visit the GitHub page', 'my-plugin' ), 'GitHub' );
		$plugin_meta[] = sprintf( '<a href="%1$s" title="%2$s">%3$s</a>', 'https://www.transifex.com/projects/p/my-plugin/', __( 'Join us on Transifex', 'my-plugin' ), __( 'Translate', 'my-plugin' ) );
	}
	return $plugin_meta;
}
add_filter( 'plugin_row_meta', 'my_plugin_row_meta', 10, 4 );

?>