Daily synthesized intelligence and research infrastructure.
High-Signal-App builds products for operators and investors who want high-signal reads instead of raw feed noise. Our flagship is a daily composed brief with inline hit-rates, backed by a real ingest pipeline and a public track record.
- High Signal — daily synthesized brief on technology, startups, and finance. Five sections with inline hit-rates. Free, no signup required.
- EverythingRated — multi-axis rating tool for structured directories and catalogs. Decisions with explicit trade-offs, not star averages.
- researchPapers — academic paper platform over a high-citation OpenAlex CS corpus (~488k papers). Search, analytics, and RAG demo.
- DRank — Ahrefs Domain Rating tracker feeding High Signal /domains and fleet domain marketing work.
| Product | URL | What it does |
|---|---|---|
| High Signal | https://highsignal.app | Daily synthesized brief with inline hit-rates |
| EverythingRated | https://ratings.highsignal.app | Multi-axis rating tool for directories |
| researchPapers | https://papers.highsignal.app | ~488k paper platform with semantic search |
| DRank | https://domains.sassmaker.com | Ahrefs Domain Rating tracker |
HiSignal / High Signal is one of the four spotlight products on Sarthak's personal landing page. The broader fleet directory lives at SaaS Maker.
High-Signal-App is part of the Foundry fleet — a personal product fleet by Sarthak Agrawal. See the fleet build log for the real git history behind these products.
- Hub: https://sassmaker.com
- Fleet build log: https://sassmaker.com/build-log
- High Signal product page: https://sassmaker.com/p/high-signal
- EverythingRated product page: https://sassmaker.com/p/everythingrated
- researchPapers product page: https://sassmaker.com/p/research-papers
- DRank product page: https://sassmaker.com/p/drank
Every product exposes machine-readable entrypoints:
- High Signal: https://highsignal.app/llms.txt · https://highsignal.app/api/ai · https://highsignal.app/index.md · RSS: https://highsignal.app/signals/rss
- EverythingRated: https://ratings.highsignal.app/llms.txt · https://ratings.highsignal.app/api/ai · https://ratings.highsignal.app/index.md
- researchPapers: https://papers.highsignal.app/llms.txt · https://papers.highsignal.app/api/ai · https://papers.highsignal.app/index.md
- DRank: https://domains.sassmaker.com/llms.txt · https://domains.sassmaker.com/api/ai · https://domains.sassmaker.com/index.md