Updated
The Cemetery.
The dead and the zombies — tools that died or quietly stopped mattering.
Cursor
Cursor (SpaceX)
Cursor was acquired by SpaceX; the deal was announced on 14 Aug 2026. Its pricing page now lists Plus $8/mo, Premium $30/mo, Super $100/mo and Ultra $200/mo, and Teams from $30/user/mo.
Fathom
Superhuman
Superhuman (formerly Grammarly) acquired the Fathom notetaker on 14 Sept 2026; Fathom still lists a free plan with unlimited recordings and AI summaries.
Limitless / Bee
Meta / Amazon
Meta bought Limitless (Dec 2025), stopped Pendant sales and cut service in the UK and EU; Amazon bought Bee (July 2025) and still sells it as a wearable separate from Alexa+.
Operator
OpenAI
Retired. OpenAI folded Operator into ChatGPT agent in July 2025, then in July 2026 replaced agent mode with ChatGPT Work and deprecated its Atlas browser.
Project Mariner
Google's experimental browser agent from Google Labs, discontinued on 4 May 2026.
Sora 2
OpenAI
OpenAI closed the Sora app on 26 April 2026 and set 24 September 2026 as the shutdown date for the Sora 2 API (sora-2, sora-2-pro), with no replacement named.