You asked about Sustainability
18 people built something like it. 4 are gone.
That is 25% of the ones whose fate we could settle, against 23% across the whole register. 2 were acquired.
| Launched | What it was | Today |
|---|---|---|
| 2022-06-16 | console.connect.earth | still up |
| 2018-06-01 | We verify global supply chains for issues like child slavery and… · enveritas.org | still up |
| 2017-06-01 | Cheese and dairy products from plant-derived dairy proteins · nobellfoods.com | still up |
| 2012-06-01 | YCSoylent Soylent is a simple, nutritious, and affordable food that possesses… · soylent.com | acquired |
| 2018-06-01 | Next-gen ingredients to decarbonize consumer products, starting w/… · c16bio.com | still up |
| 2021-06-01 | Helping farmers maximize crop yield · instacrops.com | still up |
| 2021-06-01 | YCPerfekto Grocery subscription service against food waste in Latam · perfekto.mx | gone |
| 2015-06-01 | YCNebia Nebia is a breakthrough shower system, based on a premium experience,… · nebia.com | acquired |
| 2023-06-01 | YCNectar Manage energy cost & usage with AI for facility & sustainability teams · nectarclimate.com | still up |
| 2021-06-01 | YCBLUUMBIO We make bacteria and plants that clean up pollution. · bluumbio.com | still up |
| 2026-06-01 | YCGrip Robots for waste manipulation · griprobotics.ai | still up |
| 2026-06-01 | YCMolagri Resistance free pesticides. · molagri.com | still up |
| 2024-01-01 | Batteries and solar for $0 upfront to help businesses save money · vistapower.com | still up |
| 2018-06-01 | YCFREY FREY is a line of exceptional laundry and clothing care products.… · frey.com | gone |
| 2017-06-01 | YCWATERFX The world's first 100% sustainable water provider (aka alternative… · wacomet.com | gone |
| 2015-01-01 | The operating system for commercial buildings. · buildscience.com | still up |
| 2015-01-01 | We produce & sell stainless steel water bottles that enables people… · givemetap.com | still up |
| 2009-01-01 | Sensors and software for energy tracking. Like 'fitbit' for your… · wattvision.com | gone |
How this compares
Y Combinator reports its own outcomes, including acquisitions. The other two are judged by asking the domain, so they are not measured the same way and are never averaged together.
The register re-probes every domain it holds. Some that answered last month stop answering. We send that list — what went quiet, and what it was — once a month. Nothing else.
How this was made. Show HN entries are every post from 2021 to 2023 with at least five points that linked to its own domain; code hosts and free hosting are excluded, because a repository outlives the effort behind it. Product Hunt entries needed 100 votes — a far higher bar, so they are the promoted top slice rather than a like-for-like sample. Both are judged by asking the domain whether it still answers: gone means it no longer resolves, refuses the connection, serves a parking page, or says plainly that it shut down. An HTTP error is not counted as gone — a server answering 404 is one somebody still pays for, and an audit of 25 gone-calls found two such sites alive with only a moved homepage. Y Combinator entries use the status YC publishes itself, which is why only those can say acquired. Squatted domains — a lapsed name now serving somebody else's site — are not detected, so these figures run slightly low.