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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Runs Claude Code and Codex jobs in parallel inside isolated containers, locally or on cloud runners, with memory shared across them.

Since 2018

Free plan · Developer tools · Developers

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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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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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Agencies that use Linear give clients a portal and progress reports built from their cycles, without a second tracker.

Since 2026

Free plan · Projects and tasks · Agencies

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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 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 service that finds and quarantines flaky tests, skips unneeded CI jobs and runs a merge queue for software teams on GitHub.

Since 2021

Developer tools · Developers

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Hosted service that receives, logs and retries webhooks, with a CLI for local testing and a typed SDK.

Since 2024

Developer tools · Developers

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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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Gives AI assistants and agents authenticated access to over 1,500 apps so they can take actions, with a managed MCP gateway.

Pay as you go · Developer tools · Developers

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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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Hosted service that runs your MCP servers behind a single URL, holds credentials and logs each tool call per client.

Since 2023

Free plan · Developer tools · Developers

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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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Gives each AI coding agent its own cloud Linux machine, started from Slack, Linear or an API and managed from any device.

Since 2026

Free plan · Developer tools · Developers

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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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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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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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Turns customer requests into specs that AI coding agents can work from, and tracks the work, for software teams.

Since 2025

Projects and tasks · Software companies

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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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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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Gathers customer feedback from Slack, email and a widget into one ranked list with voting and a public roadmap for SaaS teams.

Since 2026

Subscription · Customer support · Software companies

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Runs Claude Code and OpenCode sessions side by side in cloud sandboxes, started from Slack, Linear, GitHub or a phone.

Since 2026

Free plan · Developer tools · Developers

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A shared workspace where teams run Claude Code, Codex and other coding agents on tasks, scheduled bots and reviewed pull requests.

Since 2026

Free plan · Developer tools · Developers

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Shows Linear issues, project dates and cycles on a shared calendar where teams can drag work to new dates.

Since 2025

Free plan · Projects and tasks · Software companies

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Schedules and monitors backups of your servers, databases, cloud storage and SaaS tools into storage you choose.

Developer tools · Agencies

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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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Alerts you by email, Slack or a ticket when a cron job, backup or pipeline misses its expected check-in.

Since 2026

Free plan · Uptime and monitoring · Developers

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Desktop app that sets up and runs open AI models on your own computer for private, offline chat and work on files.

Since 2026

Free · Focus and productivity · Individuals and families

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Reviews each pull request for risk and security issues, checks releases and turns production errors into fix PRs.

Since 2026

Subscription · Security and passwords · Developers

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Software companies add a branded AI assistant inside their app to guide onboarding, answer support questions and finish tasks.

Since 2025

Subscription · Customer support · Software companies

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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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Mac app that pulls builds, deploys, pull requests and errors into one small inbox and hands fixes to a coding agent.

Since 2026

Free plan · Uptime and monitoring · Developers

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Free open-source forms and public roadmaps that turn client feedback into Linear issues, for teams working with clients.

Since 2026

Free · Forms and surveys · Agencies

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Mac and Linux app that runs Claude Code and Codex sessions, each kept to its own accounts, from one control screen.

Since 2026

Free · Developer tools · Freelancers

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Runs coding agents in isolated virtual machines on your own computers or cloud accounts, joined on one private network.

Since 2026

Developer tools · Developers

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A free Mac app that runs Claude Code, Codex and other coding agents side by side using subscriptions you already pay for.

Free · Developer tools · Developers