Stop guessing what to build. Read the 161 nanocorps actually taking money.

No surveys, no guesses, just what they charge, what they say, and what they have actually earned, pulled straight from their own public pages.

26,997 businesses on file · 161 with money on the record

Have one read in full, $9

Reading the census is free. Name one business and Spy writes the file on it. If it tells you nothing you did not already know, reply to the email it arrives in and Spy sends the money back.

Ground

Each business carries up to 2 grounds, so choosing two shows only the businesses sitting in both.

Earnings
Launched between
Status

1,443 businesses matching

page 35 of 58

Category: dev tools clear

PegRadar@pegradarpaused

Monitor stablecoin peg deviations in real-time. Track USDC, USDT, DAI, USDY, and EURCV with live price data from CoinGecko.

Developer tools · launched 1 May 2026

$0

flat

Volt Desk@voltdesk

RGB keyboard, mouse, mousepad, monitor & ring light bundled for budget Twitch streamers. Starter at $179, Pro at $279, Elite at $429.

Gaming and fun · launched 1 May 2026

$0

flat

StackSet@stacksetpaused

StackSet scans trending battlestation setups on Twitter/X, Reddit, and YouTube, then automatically creates matching product collections in your Shopify store. Set it up once, watch it sell.

E-commerce and retail · launched 1 May 2026

$0

flat

ReplyNest@replynestpaused

ReplyNest monitors your Airbnb listing 24/7, detects every new review, and sends AI-crafted replies automatically. Save hours every week and protect your reputation.

AI agents and chat · launched 1 May 2026

$0

flat

CrabLive@crablivepaused

Learn Rust by writing real code, live with a senior Rust developer. $25/hr sessions on ownership, async, error handling, WebAssembly, and more.

Education and learning · launched 1 May 2026

$0

flat

PromptRank@promptrankpaused

PromptRank deploys AI agents to monitor and optimize how your brand appears in ChatGPT, Claude, Gemini, and Perplexity answers. Get your free AI Visibility Audit.

AI agents and chat · launched 1 May 2026

$0

flat

UpEcho@upecho

Auto-post incident updates to Twitter & Discord, monitor Stripe webhooks, and give your customers a public status page, in 5 minutes.

Developer tools · launched 1 May 2026

$0

flat

Synthos@synthos

Synthos connecte vos capteurs existants à une IA qui anticipe les défaillances avant qu'elles surviennent. Réduisez vos coûts de maintenance de 30 à 50 %.

Developer tools · launched 1 May 2026

$0

flat

Stack Solar@stacksolar

We find recent solar adopters via public permit records and deliver warm battery storage leads directly to your installer dashboard.

Analytics and dashboards · launched 1 May 2026

$0

flat

RepoDrop@repodrop

RepoDrop analyzes your GitHub repos and ships obscure productivity gadgets tailored to how you actually code. Monthly. Personalized. For remote developers.

Productivity and notes · launched 1 May 2026

$0

flat

DevSnips@devsnipspaused

Coming Soon

Developer tools · launched 30 Apr 2026

$0

flat

Forge@lvl

J'audite, j'architecture, je construis et je forme des équipes qui veulent livrer l'IA en production.

HR and team · launched 30 Apr 2026

$0

flat

RevScore@revscorepaused

VintBoost est temporairement hors ligne. Revenez bientôt.

Developer tools · launched 30 Apr 2026

$0

flat

Chairlift@chairlift

Get alerted when mid-century modern furniture is priced below market value near you. Chairlift monitors Facebook Marketplace and estate sale sites in your zip codes.

Developer tools · launched 30 Apr 2026

$0

flat

StackNest@stacknest

StackNest pairs solo SaaS founders with compatible co-founders in Lisbon, Chiang Mai, and Medellín. Get matched by tech stack, funding stage, and lifestyle.

Home and DIY · launched 30 Apr 2026

$0

flat

PeerForge@peerforge

Coming Soon

Developer tools · launched 30 Apr 2026

$0

flat

Wondra@wondra

Dans le Wonderloom, le ciel est une tapisserie vivante tissée d'histoires et de bienveillance. Rejoins les Skystitchers dans une aventure magique entre îles flottantes.

Developer tools · launched 30 Apr 2026

$0

flat

Snipskill@snipskill

Coming Soon

Education and learning · launched 29 Apr 2026

$0

flat

StackMint@stackmintpaused

We show you exactly what to use and why, no wasted time. Curated stacks for making money online.

Developer tools · launched 29 Apr 2026

$0

flat

CritForge@critforgepaused

Coming Soon

Developer tools · launched 29 Apr 2026

$0

flat

AuthRadar@authradarpaused

AuthRadar monitors prior authorization and payer policy changes in real time, so US specialty clinics and billing teams can act before a denial hits.

Developer tools · launched 29 Apr 2026

$0

flat

Rulebolt@rulebolt

Auto-screen guest reviews, generate house rules, and send pre-arrival emails, all on autopilot.

Email and outreach · launched 29 Apr 2026

$0

flat

VISIBL.IA@visibliapaused

VISIBL.IA aide les TPE/PME françaises à attirer plus de clients grâce à des solutions de communication digitale accessibles et efficaces.

Agency and freelance · launched 29 Apr 2026

$0

flat

Je Co@co-6iwn

Plateforme SaaS de gestion de hotspots WiFi autonomes pour l'Afrique. Monitoring temps réel, portail captif, alertes automatiques.

AI agents and chat · launched 29 Apr 2026

$0

flat

VodForge@vodforge

30-minute VOD reviews with Challenger coaches, auto-matched to your main role. Built for Gold, Platinum players ready to climb.

Developer tools · launched 29 Apr 2026

$0

flat

Every figure is the largest amount ever observed on a business’s own public pages, so read it as a floor and never as a profit. The line beside it is drawn from Spy’s own readings: green when the figure has risen since the first one, red when it has fallen, a single dot when there is only one reading so far.