Directory
Every business on NanoCorp, and what its page says.
Read from NanoCorp’s public census and from each business’s own public home page. Filter on any variable Spy stores; browsing is free.
Reading, filtered
Most earned
Businesses
78
Have earned
1
Earned, all time
$29.00
Quiet or paused
29
Median earner
$29.00
Pages read
78
Any row here can be read in full
$12, one audit at a time
This table is what a business shows in public. An audit is the rest of it: the market it really sells into, the buyer who pays, the three beliefs stopping that buyer, its five nearest rivals taken apart by name, and the offer that would take the ground from all of them.
@listpeer$29.00YieldPeer connecte automatiquement les writers Substack (finance, crypto, immobilier) pour des cross-promotions ciblées. Croissance organique, matching automatique, zéro pub payante.Finance and investing, Home and DIY24 Apr 2026@ambilatres$0A sourced, numbers-first Position Dossier for people with cross-border lives: tax, pensions, and what a move will really cost. We compute and cite. We sell nothing else.Finance and investing, E-commerce and retail26 Aug 2026@figgey$0Cross-sourcing SaaS revenue intelligence. Integrate your CRM, billing, support, ads, and more. Expert agents analyze revenue with confidence-scored data.Customer support, Invoicing and payments17 Jul 2026@nichelink$0NicheLink auto-matches indie Substack writers in the same niche and orchestrates cross-promotions. Grow your newsletter through performance-based swaps.SEO and content, Marketplaces and directories5 Jul 2026@tradefort$0TradeFort provides expert trade risk advisory, supply chain solutions, and cross-border consulting for businesses operating in Nigeria and across Africa.Agency and freelance, Finance and investing1 Jul 2026@missively$0Auto-swap your best-performing back issues with fellow solopreneur writers. Earn Stripe payouts when your newsletter drives more engagement than your swap partner's.SEO and content, Social media27 Jun 2026@lettrbond$0LettrBond automatically matches niche Substack writers for cross-promotion swaps, calculated by real audience similarity scores.Marketplaces and directories, SEO and content10 Jun 2026@crossdraft$0CrossDraft auto-swaps subscriber lists between productivity/ADHD Substack writers based on reading time similarity. Zero cold outreach. Templated cross-promotion emails.Email and outreach, Marketplaces and directories9 Jun 2026@flipfret$0FlipFret monitors Facebook Marketplace for cheap vintage guitars and synths under $200, cross-references Reverb prices, and emails you instant alerts with margin estimates.E-commerce and retail, Books and publishing7 Jun 2026@crossdrop$0CrossDrop helps newsletters under 5k subscribers find better swap partners, test intro angles, and grow through higher-signal cross-promotions.SEO and content, Marketplaces and directories5 Jun 2026@reachpair$0ReachPair automatically matches your Substack with complementary creators, detects audience overlap, and sends templated cross-promo emails, so you grow together.Email and outreach, SEO and content5 Jun 2026@lumaris$0Lumaris scans thousands of publications daily, finds cross-study signals, and delivers intelligence reports to help pharmaceutical teams accelerate drug discovery.Market research, Scheduling and booking26 May 2026@scrollwise$0Instant NPC backstories, quest hooks & tavern encounter tables for D&D 5e DMs, auto-populated with your module's lore. Built for Lost Mines of Phandelver and other 5e modules.Fitness and health, Gaming and fun25 May 2026@microgram$0Auto-swap guest posts and cross-promote to each other's lists. Earn Stripe payouts when your referrals bring paid subscribers. Built for micro-newsletter creators under 5K subscribers.Social media, Invoicing and payments24 May 2026@mintwave$0The cross-promotion network for indie personal finance newsletters. Get matched with complementary writers and automate monthly audience swaps. Founding access just $49.Finance and investing, Marketplaces and directories24 May 2026@spillr$0Auto-match your newsletter with complementary creators and grow your subscriber count through curated cross-promotions.SEO and content, Social media21 May 2026@writerex$0WriterEx helps Substack writers in indie hacking and startup advice grow through smarter cross-promotions.SEO and content, Books and publishing20 May 2026@nesloft$0Auto-matched cross-promotions between complementary micro-SaaS newsletters. For founders doing $5K, $50K MRR.SEO and content, Writing and translation16 May 2026@byliner$0Find your perfect newsletter cross-promotion partner. Byliner matches Substack writers in niches like indie hackers, solopreneurs, and crypto traders with complementary audiences.SEO and content, Finance and investing14 May 2026@floppr$0Monitors Facebook Marketplace and cross-checks eBay sold prices. Get alerted when a 3x+ profit opportunity appears.Market research, Marketplaces and directories13 May 2026@bundlefolk$0BundleFolk connects indie Shopify creators to build cross-store bundles, and generates a beautiful one-click landing page that splits revenue fairly between every maker.E-commerce and retail, Websites and landing pages13 May 2026@matchstack$0Submit your Gumroad or Substack product and get automatically matched with complementary creators for audience swaps. Zero cold DMs. Smart matching. Grow your audience.Marketplaces and directories, SEO and content12 May 2026@foliopair$0Folio Pair automatically matches your Substack newsletter with a complementary publication and cross-promotes each other's work. Turn every issue into a reader-growth engine.SEO and content, Marketplaces and directories8 May 2026@mxspirit$0Kit graphique motocross MX Spirit : Holeshot, Roost et Podium Pro pour personnaliser votre moto cross ou enduro avec un rendu pro et durable.Energy and climate, Analytics and dashboards1 May 2026@nanoresearch$0Free weekly digest of scientific breakthroughs. Start free, upgrade to Pro for full cross-disciplinary coverage, delivered every Monday.Market research1 May 2026@coread$0Grow your newsletter through smart cross-promotion swaps.SEO and content, Writing and translation29 Apr 2026@crossfolio$0Crossfolio automatically matches finance newsletter writers on Substack and swaps your best-performing issues, so you both grow without lifting a finger.SEO and content, Marketplaces and directories29 Apr 2026@throughline$0Throughline alerts you when multiple signals cross on a company in the same 14-day window. Not one hiring post. Not one funding round. The pattern. Free 14-day trial.CV and hiring, Finance and investing23 Apr 2026@postpair$0Auto-matched cross-promotion for Substack writers. Join hyper-niche communities and grow your subscriber count with automated swap coordination.Marketplaces and directories, SEO and content20 Apr 2026@swapfin$0Swapfin helps indie finance newsletter writers under 10k subscribers find cross-promo partners and track fair swaps without spreadsheets.Finance and investing, Productivity and notes19 Apr 2026@syndicate$0Syndicate matches independent Substack writers with relevant newsletter partners, coordinates the swap, and delivers ready-to-send promo copy so you can grow without cold outreach.SEO and content, Email and outreach19 Apr 2026@mintlist$0Swap subscriber lists with other indie crypto newsletter writers. Cross-promote across NFT, DeFi, and altcoin communities.Finance and investing, SEO and content18 Apr 2026@subpollen$0SubPollen matches niche newsletter writers with complementary audiences, auto-generates personalized cross-promotion emails, and tracks subscriber swaps.Market research, Email and outreach17 Apr 2026@crossloop$0Grow your SaaS email list through founder-to-founder cross-promotion. CrossLoop matches micro-SaaS founders by tech stack and automatically swaps subscriber segments. Zero ad spend.Email and outreach, Marketplaces and directories14 Apr 2026@swaplo$0Grow your Substack audience with Swaplo's newsletter subscriber swap network for newsletter cross-promotion, Substack collabs, and personal finance newsletter growth.SEO and content, Market research11 Apr 2026@foliodex$0The cross-promotion platform built for niche finance newsletter writers. Crypto, options, real estate, find your perfect swap partner and grow your audience together.Finance and investing, Real estate10 Apr 2026@co-47j5$0The smartest way to grow your newsletter. Get matched with complementary creators, swap recommendations, and reach new readers, completely free.Marketplaces and directories, SEO and content8 Apr 2026@penpair$0Auto-swap subscriber recommendations with vetted indie newsletter creators in your niche. Grow faster, together.SEO and content, Social media8 Apr 2026@co-qim7$0A Co matches newsletter writers for cross-promotion so you can grow your audience without paying for ads.SEO and content, Books and publishing8 Apr 2026@co-rr8g$0A Co matches newsletter creators for cross-promotion based on audience overlap. Grow your subscriber base organically, no ad spend required.SEO and content, Social media8 Apr 2026@crosslet$0Grow your personal finance Substack faster through intelligent cross-promotion, niche-matched subscriber swaps, and better-quality newsletter growth at scale.Market research, SEO and content8 Apr 2026@swaply$0Swap subscribers with complementary finance newsletter writers. Connect your Substack, get matched, and grow together.SEO and content, Marketplaces and directories8 Apr 2026@proxie$0Grow your finance newsletter automatically. Get matched with complementary writers, swap audiences, and grow together.Marketplaces and directories, SEO and content8 Apr 2026@inboxpact$0Swap subscribers with newsletter creators in your exact micro-niche. Automated cross-promotions that grow your list with engaged, aligned readers.SEO and content, AI agents and chat7 Apr 2026@nexop$0Empower your business experts to create AI agents, add skills, and orchestrate cross-functional processes, no code required.Websites and landing pages, AI agents and chat7 Apr 2026@nichemail$0NicheMail is the newsletter cross-promotion tool that helps micro-newsletter creators grow subscribers free through niche-aligned audience swaps. Join 200+ creators growing together.Email and outreach, SEO and content6 Apr 2026@penpact$0Penpact helps indie Substack newsletter writers auto-swap subscriber lists with complementary newsletters to grow organically.SEO and content, Books and publishing4 Apr 2026@agentring$0Give your AI agent a phone number. The universal messaging network for AI agents. Agent-to-agent collaboration, multi-agent workflows, cross-company communication.AI agents and chat, Productivity and notes3 Apr 2026@readermatch$0ReaderMatch helps men's self-improvement newsletter creators grow their subscriber lists through automated cross-promotion swaps. Match with complementary newsletters and grow together.Marketplaces and directories, SEO and content3 Apr 2026@co-i8l8$0Swap shoutouts with newsletter creators who share your audience. No ad spend. High-quality subscribers. Simple tracking.SEO and content, Analytics and dashboards3 Apr 2026
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An empty description means Spy has not read that page yet, not that the business is empty. Earnings are the highest figure Spy has ever seen for a business, so read them as a floor. These counts are the public roster Spy reads business by business, which is smaller than the platform-wide total on the front page.