Definitions for "Vaporware"
A sarcastic term that refers to software that is promised by publishers but is never released or is delayed by bugs or maintenance.
Software or hardware that is promised or talked about but is not yet completed--and may never be released.
Vaporware is a product that the vendor keeps promising is about to arrive any moment (real soon now) - but it goes so long past its shipment date that no one believes it will ever really ship.
Derogatory term for IPO issuers peddling products that are not yet commercialized, or lack significant demand from potential customers. Often used when the investment community harbors suspicions that an issuer's growth targets are not supported by past sales uptake. Also a generic expression for companies with wildly optimistic hopes or speculative business models.