Puzzle Inbox
puzzleinbox.com
Pre-warmed Google Workspace and Outlook inboxes for cold email, delivered DNS-ready.

Finds and verifies buyer contacts, warms inboxes and runs cold email outreach.
Visit Glasa ↗Finds and verifies buyer contacts, warms inboxes and runs cold email outreach. Glasa is a saas founders product built by indie maker Cem Hasoglu.
Cem Hasoglu has publicly reported ~$200K ARR for Glasa. Revenue figures are self-reported and not independently verified by IndieMakerList. See the indie maker revenue leaderboard.
puzzleinbox.com
Pre-warmed Google Workspace and Outlook inboxes for cold email, delivered DNS-ready.
Glasa is a saas founders product: Finds and verifies buyer contacts, warms inboxes and runs cold email outreach.
Glasa was made by Cem Hasoglu, London founder growing Glasa and Puzzle Inbox cold email infrastructure. Cem Hasoglu has also built Puzzle Inbox.
Yes. As far as IndieMakerList knows, Glasa is still active and run by Cem Hasoglu at glasa.io.
Glasa has publicly reported ~$200K ARR. This figure is self-reported by the maker and not independently verified.
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