Nicheloom visitors: 14,046 all-time · 8,445 in the last 7 days

The opportunity tracker for new startups.

Today: 1,383 launchs · Niche of the day: document and PDF processing tools · See full report →

vertical search engines and directories

Recent window: last 5.4 months (2026-05-01 → 2026-10-11), compared with the prior 5.4 months.

horizontal · 61 members · Data as of 2026-10-14

Vertical search engines and directories index, filter, and organize specialized datasets into dedicated discovery platforms for researchers, professionals, and hobbyists. Unlike general-purpose search engines that scrape the broad web, these tools focus exclusively on single domains like government records, technical documentation, or travel logistics. This targeted approach provides users with structured filters and domain-specific context that broad query engines cannot match.

This theme's recent-window count is below the current min-count filter, so it does not appear in the opportunity scorecard.

Pulled from real Hacker News comment threads on this niche's launches.

Most asked for

Concerns raised

Compared to

Members

Name Source Upvotes ▼ Launched
Pardonned.com HN 501 2026-04-11
jev-search GITHUB 363 2026-09-17
GovAuctions lets you browse government auctions at once HN 319 2026-04-06
Will my flight have Starlink? HN 276 2026-03-18
I mapped every US golf course HN 223 2026-07-26
Firecrawl Research Index PH 216 2026-06-19
My not-for-profit search engine with no ads, no AI, & all DDG bangs HN 199 2025-12-29
Browse Internet Infrastructure HN 110 2026-02-09
aayans-yc-indexor GITHUB 50 2026-09-22
Evidex HN 36 2025-12-29
LLMNet HN 29 2026-01-25
H-1B Salary Data Explorer HN 28 2026-01-04
Sightline HN 26 2026-01-25
RaveBSD GITHUB 25 2026-10-09
srl-search GITHUB 25 2026-10-10
I built "Google" for searching Shadcn blocks on the web HN 23 2026-01-02
Zhihuer-Wiki GITHUB 22 2026-10-09
Deep Research for Flights HN 15 2026-02-16
GitHits HN 11 2025-12-01
Semsearch HN 8 2026-08-03
Search tool for "Ask HN: What Are You Working On?" HN 7 2025-11-23
Infini-News HN 7 2026-07-01
Stillwind HN 7 2026-06-11
PriEco (open source, 400M index, EU search engine) integrated Goggles HN 6 2026-07-29
Search engine where users can adjust ranking boost factors HN 6 2026-06-08
ErwinDB, a TUI to view 7k Stack Overflow answers by Postgres expert HN 5 2026-02-03
My independent search engine focused on user control HN 5 2026-05-21
I built a search engine for all domains on the internet HN 5 2025-11-07
I built a better GitHub search that rank repos by what matters HN 5 2026-05-29
Peer-to-peer web search over the YaCy network HN 5 2026-10-09
I computed livability for all of Germany by rent, commute, and QoL HN 5 2026-07-01
I built a social-first search(X, Reddit, TikTok) cause Google is boring HN 5 2026-06-09
InsideStack HN 5 2025-12-27
I built a RAG engine to search Singaporean laws HN 5 2026-02-07
How Loud Is My Hotel? HN 5 2026-06-24
Semantic search over Hacker News, built on pgvector HN 5 2026-02-22
pkg.bot PH 3 2026-09-18
URNAME PH 2 2026-09-21
Kepa PH 2 2026-09-26
petntrip PH 2 2026-10-06
HotelRoost PH 2 2026-09-22
Nartalis PH 2 2026-09-21
CTlogs.io PH 1 2026-09-08
Vergino AI PH 1 2026-09-22
Meow Map PH 1 2026-09-08
Nexoborde PH 1 2026-09-10
Aerograde PH 1 2026-09-11
Buc-ees Locations PH 1 2026-09-12
Seatmaxxing PH 1 2026-09-14
FreecaseAI Launch PH 1 2026-09-14