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
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Account for event schedules and temporal noise patterns (1)
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Add ASN data to NS and MX records (currently only on A/AAAA records) (1)
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Add cobalt bang to global list for non-Kagi users (1)
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Add pricing information or average price ranges for courses (1)
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Aggregate stats summary at the top of the page (1)
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AI agent-friendly response format (1)
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Author reputation and career-wide bias analysis across bibliography (1)
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Better hover interaction for zoomed-out view (cursor feedback, easier point selection) (1)
Concerns raised
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100 searches per month for $16 is low value (1)
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Author/institutional bias and reputation masking not detectable by algorithms (1)
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Batch processor slow at 30k documents/day with BERT embeddings (1)
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Confusing whether this searches repos or sites (1)
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Crawler bugs limiting speed to 1-2M pages/day instead of expected 30M (1)
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Cross-language pattern search is unreliable and not yet feasible (1)
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Currency conversion bug - returns USD prices when user specified UK (1)
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Currently just a DNS lookup tool, not a complete wire/infrastructure graph yet (1)
Compared to
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Brave Search (2)
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Google (2)
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Kagi (2)
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Marginalia Search (2)
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allzonefiles.io (zone file data provider) (1)
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ChatGPT 5.2 Extended (1)
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Cochrane reviews (1)
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Cohere embeddings (1)
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 |