Alternatif untuk Sumo untuk Instapage dengan lesen sumber terbuka

• Instapage
  Semua platform Windows Mac Linux Android iPhone Windows Phone iPad Android Tablet Windows S Web Self-Hosted Software as a Service (SaaS) Firefox Opera Safari Internet Explorer jQuery Wordpress Facebook Shopify Chrome Joomla Magento Community Edition Twitter Squarespace WooCommerce Drupal LinkedIn Weebly Intercom WordPress.com Tumblr Instapage Songbird Swift Social
• Lesen Open Source
  Mana-mana lesen Lesen percuma Lesen Open Source Lesen komersil