Startups using Word of mouth

Profitable online language learning platform combining live 1-on-1 tutoring with AI-powered speaking practice, personalized learning and learner analytics.

AiSDR is an AI sales development platform for B2B teams. Its AI GTM agent, Ami, turns your website into an outbound plan, finds relevant buyers and runs approved email and LinkedIn campaigns. It handles follow-ups and replies, helps book qualified meetings, and uses campaign results to improve targeting and messaging.

Our agency offers specialized digital marketing solutions tailored to drive measurable growth for businesses. Clients are typically billed during the checkout process upon confirming their chosen service package.

Profitable IPTV Player and VPN app portfolio with $238K TTM profit and approximately 90% margin. This listing includes two cross-platform apps under the same brand: an IPTV Player and a companion VPN app. The apps are available on iOS, tvOS, Android, and Android TV, giving the business strong coverage across mobile, tablet, smart TV.

ColdSire sells Google Workspace and Microsoft 365 mailboxes to cold-email agencies, set up automatically: domains, DNS, SPF, DKIM and DMARC, profiles, and connection to Instantly and Smartlead; $252k net revenue over the last 12 months. Runs with two contractors. Revenue has declined in 2026 with no sales effort, so a buyer with its own mailbox supply or a sales team gets the most from it.

Taja helps SMB's optimize, repurpose, and distribute their long form videos across all major social platforms.

A tool for self-publishing authors to manage their social media.

We get people jobs.

Digidoktor erbjuder digital, läkarbedömd behandling för viktnedgång. I appen kan patienter följa sin vikt, registrera kost och hålla koll på behandlingen över tid. De får också uppföljning och stöd kring läkemedel som Wegovy och Mounjaro.

Backlinker AI automates backlink acquisition through AI-powered reporter and editorial outreach. Built for agencies, founders, and SEO teams, it finds relevant opportunities, drafts responses, and helps win high-authority mentions at scale. The business has generated almost $500K in gross volume in under 3 years and is growing roughly 180% year over year.

Personal Branding Agency for World-Class Experts. We build the online visibility infrastructure for keynote speakers, book authors, and founders whose real-world authority outpaces their online presence.

The $1.2B database of verified startup revenues. Accidentally a startup marketplace.

AI music mastering with text prompts, guide the AI with words and hear the magic. Includes a free stem splitter as well.

Revenue-first analytics for startup founders

Competitor to: Lovable, Replit, Base44, Anything.com, etc. $50k/mo, established product in hot industry, company is run by an officer. Plenty of potential. AI app/website builder (build by chatting to AI)

A mature, self-service AI website building platform that enables entrepreneurs, small business owners, and agencies to create and publish professional websites without technical expertise. Users can generate a complete site from a prompt, customize it through a drag-and-drop editor, and launch it on managed hosting with custom domains and SSL. The platform also includes content management, blogging, gated memberships, and white-label client management.

Your AI Intern One Message Away: dump the busy work. Work like a team of ten. From meeting minutes to blog posts, from CRM updates to newsletter drafts—just speak, and it's done.

Idea to mobile app designs

An AI sales setter for Instagram DMs and WhatsApp. It answers every prospect in the founder's own voice 24/7, qualifies them, handles objections, follows up at the right moment and books the call straight into Calendly, iClosed or GoHighLevel, with a full prospect briefing before the call. Dual-AI architecture (Analyst + Writer), certified Meta Business Partner, EU hosting, GDPR-ready. Millions of DMs processed, thousands of meetings booked.

App SaaS

Instagram Analytics Tool dedicated to agencies, MCP support and AI ready

Platform for monetizing content on Telegram with AI

Profitable every month since launch, 24 in a row, at a ~92% margin with under $100/mo in operating costs. No Google, Meta or Reddit ads: growth comes from a site built for Google and AI answer engines and from the Chrome Web Store, where it carries the Featured badge. Runs on ~5 hrs/week. Conversations are never stored on our servers. A 23k-member Reddit community of AI power users is included. Upside: lifecycle and conversion work, Teams sales, paid ads, new AI assistants.

Established in 2021, this profitable WordPress and WooCommerce maintenance business serves 23 recurring U.S. clients. Billing moved to Stripe in June 2024; can share earlier revenue, verifiable through past billing software. $300K+ in lifetime revenue. ~$3250 MRR, plus occasional one-off project revenue. The business runs at ~96% profit margins, requires only ~12 hours per month and has no employees. Ideal for a WordPress professional, agency or managed host. Transition support provided.

Welya is developing a B2B SaaS platform to help businesses run interactive and high-converting webinars for sales and marketing purposes.

Whatever weird experiments I build

The best marketplace to buy and sell small and medium-sized businesses in Italy. Connect directly with business owners and potential buyers interested in SMEs, without intermediaries.

coldcaller.pro is a French B2B prospecting SaaS selling qualified cold-calling leads to solopreneurs and agencies. Leads come enriched with the owner's direct mobile + email. Subscriptions €19–99/mo, no free trial, ~9% visitor-to-paid conversion, €2.4k MRR with minimal fixed costs (93% margin). 100% community driven acquisition (word of mouth). Runs solo — big upside with paid ads or a sales team.

Verbatik is a Text-to-Speech software which sell their ability for clients to buy Characters and then using Characters to create Realistic Speech from Text.