Stop guessing what to build. Read the 162 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.

27,076 businesses on file · 162 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 50 of 58

Category: dev tools clear

DataVein@datavein

Stop wrangling, start building. DataVein aggregates data from hundreds of open sources, cross-references and normalizes it, and delivers clean, queryable datasets by domain.

Developer tools · launched 3 Apr 2026

$0

flat

GrowthSnipe@growthsnipepaused

Coming Soon

Market research · launched 3 Apr 2026

$0

flat

DeskCore@deskcorepaused

Premium desk setups matched to your aesthetic. Dark academia, cyberpunk, cottagecore, minimalist, japandi, find your vibe.

Marketplaces and directories · launched 3 Apr 2026

$0

flat

FlushRep@flushrep

Auto-monitor Google & Yelp reviews, get AI-drafted responses, and approve with one click. Reputation management built for plumbing businesses.

Developer tools · launched 3 Apr 2026

$0

flat

PeakRoll@peakroll

College-town event and weather ingestion for PeakRoll's recommendation engine.

CRM and sales · launched 3 Apr 2026

$0

flat

PageDown@pagedown

Auto-generated incident alerts for solo founders. Monitor Stripe charges, API endpoints, and email your customers, all on autopilot.

Developer tools · launched 2 Apr 2026

$0

flat

You Co@co-ngx0

Know what your competitors are doing, every week. AI-powered monitoring delivers structured briefings on pricing, features, positioning, hiring, and ad strategy.

Market research · launched 2 Apr 2026

$0

flat

EchoAI@echoai

Track how your brand appears in AI-generated answers from ChatGPT, Perplexity, Claude, Gemini and more. AI visibility monitoring for modern brands.

AI agents and chat · launched 2 Apr 2026

$0

flat

CodeLab@codelab

Master Claude Code through hands-on, interactive lessons. From first command to advanced workflows, learn by doing.

Education and learning · launched 2 Apr 2026

$0

flat

Stayward@stayward

Auto-screen Airbnb guests using review history and get maintenance checklists when damage risks are detected. Built for hosts with 2-5 properties.

Travel and local · launched 2 Apr 2026

$0

flat

SwiftScreen@swiftscreenpaused

Coming Soon

Developer tools · launched 2 Apr 2026

$0

flat

AgentAcademy@agentacademypaused

Practical courses on building, deploying, and managing AI agents. Go from zero to production.

Education and learning · launched 2 Apr 2026

$0

flat

Kontxt@kontxtpaused

Build a Claude context library for Claude Code and Claude Projects. Kontxt turns your mission, product, customers, tone, and tech stack into reusable AI context management.

Developer tools · launched 2 Apr 2026

$0

flat

DeskFrag@deskfragpaused

Pre-curated streamer desk bundles tailored to your favorite games. Monitor, keyboard, mouse, and RGB lighting, all matched to your game.

Developer tools · launched 2 Apr 2026

$0

flat

Stackcraft@stackcraftpaused

We build web apps for businesses. Custom Django applications, internal tools, API development, and migrations. Professional Python web development.

Developer tools · launched 2 Apr 2026

$0

flat

DeckForge@deckforge

A monthly subscription box of premium ergonomic desk gadgets, personalized for remote software engineers by AI.

Developer tools · launched 2 Apr 2026

$0

flat

Reviewly@reviewly

Stop losing customers to bad reviews. Reviewly monitors your Google reviews, drafts AI-powered responses, and sends you a daily digest with one-click approval. $49/mo per location.

Developer tools · launched 2 Apr 2026

$0

flat

Scrollwork@scrollworkpaused

Generate NPCs, quest hooks, encounters, dialogue trees, and more for your Forgotten Realms campaigns. Powered by AI.

Developer tools · launched 2 Apr 2026

$0

flat

Lotline@lotlinepaused

Professional tenant screening and maintenance request management for small landlords with 1-20 units. No enterprise complexity, no enterprise price.

Real estate · launched 2 Apr 2026

$0

flat

PairDeck@pairdeck

The marketplace that matches junior developers with senior React experts for live pair-programming sessions. Ship better code, faster.

Marketplaces and directories · launched 2 Apr 2026

$0

flat

FedReply@fedreplypaused

FedReply is a privacy-first, Fediverse-compatible commenting system that feels as easy to embed as Disqus, without the surveillance stack.

Websites and landing pages · launched 2 Apr 2026

$0

flat

Mentr@mentr

Live 1-on-1 mentorship with senior engineers at YC-funded startups. Learn React the way it's built in production, $50/hr.

Education and learning · launched 2 Apr 2026

$0

flat

Rare Cup@rarecuppaused

We source limited microlot coffees from around the world before they sell out, and deliver them fresh to your door every week. Premium, exclusive, unforgettable.

Restaurants and food · launched 2 Apr 2026

$0

flat

Bitacide@bitacidepaused

Les derniers articles Bitacide sur le développement, l'IA, l'open source et la culture numérique.

Developer tools · launched 2 Apr 2026

$0

flat

Dockplan@dockplan

The smartest way to plan and track boat maintenance. Checklists, service logs, reminders, and cost tracking, all in one place.

Productivity and notes · launched 2 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.