Nicheloom

The opportunity tracker for new startups.

Sources

prompt engineering and developer tools

Recent window: last 5.2 months (2026-04-26 → 2026-10-01), compared with the prior 5.2 months.

horizontal · 89 members · Data as of 2026-10-04

These products help developers and teams write, test, optimize, version, and monitor prompts for large language models. They are primarily used by AI engineers, software developers, and technical creators building generative AI applications. Unlike end-user AI assistants, this cluster focuses directly on the tooling, compression, and workflow infrastructure needed to manage prompts effectively.

Metrics

Stage
heating
Recent count
67
Prior count
10
Total count
89
Momentum
300.00
Attention
0.42
Crowding
0.27
Concentration
0.84
Opportunity
0.58

Opportunity components

Attention
0.42
Low crowding
0.73
Momentum (normalized)
1.00
Low concentration
0.16

Source split

github
2 (0.03)
hn
4 (0.06)
ph
61 (0.91)
yc
0 (0.00)

Dominant source: ph · Divergence: 0.91

Similar themes

Monthly trajectory

Members

Name Source Upvotes ▼ Launched
Fathom 3.0 PH 802 2026-04-15
PromptQL PH 413 2026-07-23
Netlify.new PH 282 2026-03-19
Google Chrome Skills PH 271 2026-04-16
Leaked-System-Prompt-AI GITHUB 137 2026-10-02
Runprompt HN 134 2025-11-27
Promptic PH 112 2026-09-25
Jotform Sign for ChatGPT and Claude PH 104 2026-09-29
AskDeck PH 80 2026-09-17
Simple Commenter AI PH 72 2026-09-18
The Analog I HN 29 2026-01-16
pilulier GITHUB 27 2026-09-28
Aymo AI for Chrome PH 19 2026-09-20
geoSurge PH 17 2026-09-10
Prom.dev HN 14 2025-11-13
just-prompt-motherfucker GITHUB 12 2026-09-16
Lucent Chat HN 10 2025-10-29
TokenTrim PH 10 2026-09-16
`tc` like `wc` but for LLM tokens HN 8 2026-01-12
Let ChatGPT create interactive forms and surveys for you HN 8 2025-12-16
Vocab extractor for language learners using Stanza and frequency ranks HN 6 2026-03-29
EvenKeel HN 6 2026-07-09
Promptctl HN 5 2026-06-25
Crilio HN 5 2026-08-25
LunaSites! Website builder with MCP PH 5 2026-09-09
I got tired of writing release notes so I built a bot with Claude HN 5 2026-03-12
Akshen HN 5 2026-01-26
Pleasantries HN 5 2026-08-04
FormaLM PH 4 2026-09-12
BestPromptFor XYZ PH 4 2026-09-13
FitGate PH 4 2026-09-10
Polo Prompt PH 3 2026-09-21
Lazy Prompts PH 3 2026-09-14
GPTPromptMaker PH 3 2026-09-23
PromptProgen.com PH 3 2026-09-22
LessBot PH 3 2026-09-11
AI Packing List Prompt Generator PH 2 2026-09-23
Patkan PH 2 2026-10-04
CalAI Solutions PH 2 2026-09-10
Make Prompt Better PH 2 2026-09-13
AIPromptPro PH 2 2026-09-15
PROMPTUARY PH 2 2026-09-15
Token Wise PH 2 2026-09-16
VibePilot PH 2 2026-09-19
TrenTorch PH 2 2026-09-20
Ecomprompt PH 2 2026-09-22
Promptliness PH 2 2026-09-23
OptimizeYourPrompt. PH 2 2026-09-28
Promptprogen.com PH 2 2026-09-29
MNC Review Copilot PH 2 2026-10-02