You asked about Developer Tools

73 people built something like it. 9 are gone.

That is 15% of the ones whose fate we could settle, against 23% across the whole register. 12 were acquired.

Matching
73
Gone
15%
Median life
Acquired
12

Matching launches · 60 of 73

checked 8 hours ago · 250 probed today
LaunchedWhat it wasToday
2021-01-01
Tools & infra to build and scale high-quality blockchain applications. · quicknode.com
still up
2021-01-01
Frontend Platform for eCommerce · alokai.com
still up
2021-06-01
AI-native on-call and incident response carefully crafted to help… · rootly.com
still up
2021-06-01
YCExa
Web search rebuilt for LLMs · exa.ai
still up
2021-06-01
One API to get clean data from any website for your AI agents at scale · anakin.io
still up
2021-01-01
AI Document Understanding API · mindee.com
still up
2021-01-01
Account-to-Account payments in Mexico and Chile. · fintoc.com
still up
2021-01-01
Voice AI for developers. · vapi.ai
still up
2021-01-01
Makes it easy for tech platforms to embed insurance into products · tint.ai
still up
2021-01-01
Multi-agent orchestration platform · axar.ai
gone
2021-01-01
Open source alternative to DataDog · signoz.io
still up
2021-06-01
Open Source Infrastructure for the Financial Internet · formance.com
still up
2021-06-01
Plaid for Brazil: we allow developers to access users' financial data · pluggy.ai
still up
2021-01-01
Authorization Infrastructure securing AI at OpenAI, Zoom, & more · authzed.com
still up
2021-06-01
Executable specifications in English for test automation · testrigor.com
still up
2021-06-01
Subscription infrastructure & paywall experimentation for mobile apps · superwall.com
still up
2021-01-01
API for developers and AIs to access health data · tryterra.co
still up
2021-01-01
Shift FinOps Left: Proactively Find & Fix Cloud Cost Issues · infracost.io
still up
2021-01-01
The open source AI coding agent · opencode.ai
still up
2021-06-01
The fastest way to ship airtight AI · openlayer.com
still up
2021-01-01
No-code platform for enterprise software companies · ycombinator.com
acquired
2021-06-01
Sell anything · replo.app
still up
2021-06-01
Developers of ChitChat, an integrated messaging and payments wallet… · union54.com
still up
2021-06-01
AI native mobile testing. · mobileboost.io
still up
2021-06-01
Flexible Business Apps for Modern Teams · noloco.io
still up
2021-06-01
Automated e2e screenshot testing without writing or maintaining tests · meticulous.ai
still up
2021-06-01
Native user-facing SaaS integrations for your customers · hotglue.com
still up
2021-01-01
Enterprise ready webhooks service, open-source and in the cloud · svix.com
still up
2021-06-01
TURN STATIC DOCS INTO INSTANT ANSWERS · archbee.com
still up
2021-01-01
WeWeb is a no-code front-end builder that connects with any back-end. · weweb.io
still up
2021-06-01
Make all team work visible — people and AI agents · dailybot.com
still up
2021-01-01
Low latency API to run and deploy ML models · mystic.ai
still up
2021-06-01
Build frictionless signup flows in minutes · arengu.com
acquired
2021-06-01
Developer friendly drop in payouts infrastructure · usedots.com
still up
2021-01-01
Supercharge your mobile apps · emergetools.com
acquired
2021-06-01
Pipekit scales data & CI pipelines for enterprises · pipekit.io
still up
2021-06-01
Never code alone. · squire.ai
gone
2021-01-01
Observability platform for operations teams · avenue.app
acquired
2021-06-01
Accelerate software development with WarpBuild's 10x faster CI infra. · warpbuild.com
still up
2021-06-01
Eliminate Cloud Waste. Attribute and Track Savings. Engage Engineers. · cloudthread.io
acquired
2021-01-01
Build better computer vision models by building better datasets · segments.ai
acquired
2021-06-01
Business intelligence as code · evidence.dev
still up
2021-06-01
Google-level engineering productivity suite · aviator.co
still up
2021-01-01
Open-source framework for building serverless applications · webiny.com
still up
2021-06-01
Reliable blockchain indexing & querying for web3 engineering teams. · satsuma.xyz
acquired
2021-06-01
The complete production quality platform. AI-powered E2E testing,… · artillery.io
still up
2021-06-01
Your Customer Success Co-Pilot · ab.bot
gone
2021-01-01
A faster and more collaborative alternative to Jira for remote teams · kitemaker.co
acquired
2021-01-01
Open source continuous profiling software to debug performance issues · pyroscope.io
acquired
2021-06-01
Secure fraud prevention and authentication platform for developers · keyri.com
acquired
2021-01-01
Better, faster tech vendor research · taloflow.ai
still up
2021-01-01
The notification inbox for web/mobile applications. · magicbell.com
still up
2021-01-01
Continuous Documentation To End Documentation Rot · fifthtry.com
still up
2021-01-01
AI Social Media Manager · usefriz.com
acquired
2021-06-01
Web infra for AI agents · hyperbrowser.ai
still up
2021-01-01
Communication and publishing tools for scientists · curvenote.com
still up
2021-01-01
The best database for app developers · triplit.dev
gone
2021-06-01
Measure and communicate engineering activity · echoeshq.com
still up
2021-01-01
Code review for DevOps tasks · hoop.dev
still up
2021-01-01
AI-Powered Code Review · codeball.ai
gone

How this compares

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.