You asked about Open Source
40 people built something like it. 40 are gone.
That is 100% of the ones whose fate we could settle, against 23% across the whole register.
| Launched | What it was | Today |
|---|---|---|
| 2020-06-01 | YCShuttle Build Backends. Fast. · shuttle.dev | gone |
| 2024-01-01 | Open-source humanoid robots · kscale.dev | gone |
| 2015-01-01 | Buid, test and deploy perception applications · standardcyborg.com | gone |
| 2018-01-01 | YCTipe Open-source, customizable, headless CMS · tipe.io | gone |
| 2024-01-01 | YCTesseral The open source platform for managing identity in business software · tesseral.com | gone |
| 2019-06-01 | YCLunaSec An Open Source dependency security tool that is smarter than the rest · lunasec.io | gone |
| 2024-01-01 | YCLantern Postgres vector database extension to build AI applications · lantern.dev | gone |
| 2022-06-01 | YCGrai Open source version control for metadata · grai.io | gone |
| 2019-06-01 | YCTensil We turn machine learning models into custom hardware. · tensil.ai | gone |
| 2020-06-01 | YCMonosi Open Source Data Observability · monosi.dev | gone |
| 2025-01-01 | Daily productivity tracker · sublingual.ai | gone |
| 2022-06-01 | YCLotus Open-Core Pricing and Billing Engine · uselotus.io | gone |
| 2023-01-01 | YCmoonrepo Open source build tool for monorepos and large codebases · moonrepo.dev | gone |
| 2021-01-01 | YCLunatic Operating System for server-side apps · lunatic.solutions | gone |
| 2024-01-01 | YCAedilic Open-Source AI-generated image/deepfake detection · nonescape.com | gone |
| 2016-01-01 | To make food a renewable resource, for everyone · inevitabletech.com | gone |
| 2014-06-01 | YCZoomer Outsourced, high volume food delivery.
· zoomerdelivery.com | gone |
| 2018-01-01 | YCOpenland Messenger for communities · openland.com | gone |
| 2016-01-01 | Open Motors (formerly OSVehicle) is a B2B company that is developing… · openmotors.co | gone |
| 2015-06-01 | YCHickory Hickory turns your employees into experts. · hickorytraining.com | gone |
| 2016-01-01 | YCCompgun Sales commission software that grows revenue. · compgun.com | gone |
| 2013-06-01 | Dashboard for companies to manage immigration for their employees. · teleborder.com | gone |
| 2022-01-01 | YCPeakPath Smartwatch powered coaching to improve teams sustainable performance · peakpath.com | gone |
| 2017-01-01 | SourceBeacon is an on-demand procurement concierge for sourcing… · sourcebeacon.com | gone |
| 2018-06-01 | YCGoodly Student loan repayment as an employee benefit. · goodlyapp.com | gone |
| 2021-06-01 | YCMixr Team building through online game tournaments. · mixronline.com | gone |
| 2023-01-01 | AI-powered customer support automation for fast-growing companies · opensight.ai | gone |
| 2010-06-01 | YCChirply Crowdsourced design marketplace for paper goods. · chirply.com | gone |
| 2020-01-01 | YCCadence Delightful team-building events for remote companies · cadencework.com | gone |
| 2019-06-01 | Concierge for elder care · revercare.com | gone |
| 2021-01-01 | YCnoHQ International contractor and multi country payroll · nohq.com | gone |
| 2016-01-01 | StrongIntro helps recruiters turn their entire company into a source… · strongintro.com | gone |
| 2019-01-01 | YCPengram Indoor navigation through augmented reality on your phone. · pengramar.com | gone |
| 2013-01-01 | YCTrainzen Educational assessments made easy. Eliminating paper-based exams in… · terascore.com | gone |
| 2012-06-01 | Changing the way companies review employee performance with… · microeval.com | gone |
| 2020-01-01 | Virtual events for remote teams · miniexhibitions.com | gone |
| 2019-01-01 | YCCherry Cherry lets employees choose their own workplace perks. · startcherry.com | gone |
| 2012-01-01 | BookSolid is the opentable for tour operators. · booksolid.com | gone |
| 2009-06-01 | YCRoboHR robohr.com | gone |
| 2014-06-01 | YCZen99 Tax and insurance tools for independent contractors · tryzen99.com | gone |
How this compares
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.