Ziflow - Online Proofing software from Ziflow keeps teams connected and collaborating by providing a single source of truth for creative review and approval.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
PageProof - Online proofing of anything and everything, made simple. Streamline feedback for easy collaboration, secure workflows, and faster approvals. PageProof. The smarter way to review.
Apache Airflow - Airflow is a platform to programmaticaly author, schedule and monitor data pipelines.
Approval Studio - approval workflow tracking, artwork approval, asset review, design review, design review feedback, design revisions image annotations, onlineb proofing, pdf annotation,preview images, project managment
Pushwoosh - Mobile-inspired customer engagement platform for high achievers