No moat. Still in business.

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Wholesale ordering portal for brands that sell to retailers, handling B2B orders, stock levels and invoices.

Since 2014

Online shops · Shops and retail

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Tracks billable hours for agencies and freelancers, then builds invoices that clients can pay by card.

Since 2011

Free trial · Invoicing and billing · Agencies

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A wiki for SOPs, manuals and FAQs that sits in Microsoft Teams and answers staff questions from your own pages.

Since 2020

Subscription · Notes and knowledge

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Upload a PDF and fax it to numbers in 50 countries, paying per fax, with an email when it goes through.

Since 2017

Pay as you go · Documents and e-signature

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Builds and publishes a small business website from a few answers, with AI writing the copy and you paying for each page

Free plan · Website builders

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Czech payment gateway with no monthly fee for e-shops, ticket sellers and towns, taking cards, transfers and QR.

Pay as you go · Payments and checkout · Online sellers

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Pulls sales, customer and product data from stores and payment gateways into one set of reports for online sellers.

Subscription · Website analytics · Online sellers

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Booking software for tour and activity operators with payments, QR check-in and availability synced to over 70 OTAs.

Free trial · Scheduling and booking · Hotels and hospitality

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Model your data warehouse in YAML, then send business-term queries and get back one deterministic SQL statement.

Since 2026

Developer tools · Developers

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Chrome extension that checks what you paste into AI chat sites and warns or blocks when it spots passwords, keys or personal data.

Since 2026

Free · Security and passwords

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BI tool that answers data questions with charts inside ChatGPT, Claude and similar assistants, saved for the whole team to use.

Since 2026

Free plan · Data and spreadsheets

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API that fetches Google results and answers from ChatGPT, Gemini and others as clean data, for SEO tracking.

Since 2025

Subscription · SEO · Agencies

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WordPress plugin for making invoices and quotes as PDFs and taking payment through Stripe or PayPal.

Free plan · Invoicing and billing

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Free self-hosted app for small businesses to send quotes and invoices, track client payments and take card payments online.

Free · Invoicing and billing

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Adds a shopping cart and checkout to an existing website, blog or link page so you can sell products without a new store.

Since 2022

Subscription · Payments and checkout · Online sellers

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Lets WooCommerce shop owners add, remove, reorder and hide the fields customers fill in at checkout.

Free plan · Online shops · Online sellers

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A free WordPress plugin for taking one-off and recurring payments through buy buttons, payment forms and invoices.

Free plan · Invoicing and billing

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A WordPress plugin that connects Indian and global payment gateways to shop, form, course and donation plugins.

Payments and checkout

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Lets online stores run their own affiliate program, with commission tracking, a branded portal and PayPal payouts.

Marketing and social · Online sellers

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Creates and checks llms.txt files so AI coding assistants can read your docs, and refreshes them when the site changes.

Since 2025

Free plan · SEO · Developers

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Runs an affiliate program inside WooCommerce using coupon codes and referral links, with dashboards and commission payouts.

Free plan · Online shops · Online sellers

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Lets creators build and sell online courses, paying a fee per enrolled student instead of a monthly plan.

Since 2026

Pay as you go · Courses and learning · Creators and writers

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WordPress plugin for listing events on a calendar, taking registrations, selling tickets and checking guests in.

Free plan · Scheduling and booking · Events

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Free WooCommerce plugins that connect a store to Stripe, PayPal or Braintree to accept cards and other methods.

Free · Payments and checkout · Online sellers

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A WordPress booking calendar for daily rentals that takes reservations and payments and syncs with other booking sites via iCal.

Scheduling and booking · Property and estate agents

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A WordPress plugin that takes room bookings, handles rates and payments for hotels, B&Bs and rentals.

Free plan · Scheduling and booking · Hotels and hospitality

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WordPress plugin for adding price estimate calculators to a site, emailing PDF quotes and collecting leads from service customers.

Free plan · CRM and sales · Trades and home services

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A WordPress plugin to build signup and login forms, user profiles and free or paid memberships with restricted content.

Forms and surveys · Creators and writers

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Invoicing for freelancers and small firms: branded invoices and quotes, online payment links and automatic reminders.

Free plan · Invoicing and billing

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Record a repetitive computer task once and turn it into a skill file that AI assistants can replay for you.

Since 2026

Free plan · Automation and integrations

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A WordPress plugin that adds an appointment booking form and calendar to a business website, with paid add-ons for SMS and payments.

Free plan · Scheduling and booking

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Sits in front of your server to receive webhooks from Stripe, Shopify and others, logging each one so missed events can be resent.

Free plan · Developer tools · Developers

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Manages file downloads on WordPress with password and access controls, download tracking, and options to sell digital products.

Free plan · Online shops · Online sellers

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Builds WordPress forms in the block editor, Elementor or Bricks, including multi-step, calculator, payment and login forms.

Forms and surveys

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Pools GPUs and CPUs from many cloud providers and your own servers so developers can run large data jobs in one place.

Since 2026

Developer tools · Developers

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A WordPress plugin that turns a site into a members area with login, registration and restricted content.

Free plan · Communities and memberships

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Hosts HTML slide decks built with AI tools behind a share link, showing who viewed them and letting viewers leave comments.

Since 2026

Free plan · Documents and e-signature

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A WordPress plugin that lets shops sell subscriptions with trials, plan changes and a customer portal, for a 1% fee.

Free · Payments and checkout · Online sellers

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WordPress plugin that connects over a hundred payment gateways to WooCommerce and similar plugins without code.

Payments and checkout · Online sellers

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Lets you write quotes and invoices inside WordPress, turn quotes into invoices and take payment by PayPal.

Free plan · Invoicing and billing · Agencies

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WordPress plugin that adds Buy Now buttons so site owners can take PayPal and card payments in a popup checkout.

Free · Payments and checkout · Online sellers

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Chess clubs, tournament directors and coaches handle registrations, pairings, members and payments in one place.

Since 2026

Free plan · Scheduling and booking · Schools and tutors

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A browser extension that hides personal and sensitive data in your prompts before they are sent to ChatGPT or Claude.

Since 2026

Free plan · Security and passwords

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WordPress plugin for creating, selling and running online courses with quizzes and certificates.

Free plan · Courses and learning · Creators and writers

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Shows which questions people ask AI chatbots in your market and tracks whether ChatGPT and others mention your brand.

Since 2026

Free trial · Marketing and social

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WordPress form plugin for taking Stripe or PayPal payments, signed waivers and bookings right inside the form.

Free plan · Payments and checkout

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Payment gateway for Polish online shops taking BLIK, instant transfers, cards and PayPal, with plugins for shop platforms.

Pay as you go · Payments and checkout · Online sellers

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For founders without a dev team: describe an app and get a hosted, working version with sign in and payments, editable visually.

Since 2023

Free plan · Website builders