Zapier is for busy people who know their time is better spent selling, marketing, or coding. Instead of wasting valuable time coming up with complicated systems - you can use Zapier to automate the web services you and your team are already using on a daily basis.
Beehive is an event and agent system, which allows you to create your own agents that perform automated tasks triggered by events and filters. It is modular, flexible and really easy to extend for anyone. It has modules (we call them Hives), so it can interface with, talk to, or retrieve information from Twitter, Tumblr, Email, IRC, Jabber, RSS, Jenkins, Hue - to name just a few.
bip.io is an open source web automation platform, making it easy to build powerful personal workflows from your favorite cloud services, applications and devices.
Automate.io allows businesses to connect different cloud / SaaS applications, and automate workflows across (marketing, sales, and other internal processes).
One can create simple one-to-one integrations to sync data or complex workflows across multiple applications.
It helps create workflow bots on top of 100+ popular cloud applications - Salesforce, Google Apps, Trello, Hubspot, Quickbooks, Shopify and many more.