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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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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Holds copies of your software's source code and SaaS setup in escrow so customers can recover them if the vendor fails.

Since 2017

Subscription · Security and passwords · Software companies

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Open-source shared editor and headless CMS for writing technical docs, dev blogs and knowledge bases, with Git sync.

Notes and knowledge · Developers

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Free open source desktop tool that plots millions of table rows visually so analysts can spot outliers and odd patterns.

Since 2024

Free · Data and spreadsheets

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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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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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Mac app that runs your own AI prompts on selected text, screenshots or voice from any app by keyboard shortcut.

Since 2023

One-off payment · Focus and productivity · Individuals and families

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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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Hosted Beancount books kept in Git, with bank imports and receipt inboxes, for people and small businesses tracking money.

Since 2022

Bookkeeping and accounting · Individuals and families

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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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Connects to your SaaS tools to handle staff access requests, reviews and removals, with an agent doing the routine work.

Since 2024

Security and passwords · Software companies

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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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Markdown note app for every device that stores plain files and syncs through Git, GitHub, iCloud or your own server.

Since 2024

Notes and knowledge · Individuals and families

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An editing dashboard for Markdown and MDX kept in your GitHub repo, so clients can update static sites without Git.

Since 2022

Free plan · Website builders · 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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A free desktop app for editing Hugo static websites on your own computer and publishing them through Git.

Since 2023

Free · Website builders · Creators and writers

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Security teams build automated response workflows and agents, and track incidents as cases, self-hosted or managed.

Security and passwords · Software companies

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Mac app that opens a floating note on a shortcut so you can jot a thought, saved as a local markdown file.

Free · Notes and knowledge · Individuals and families

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A simple self-hosted wiki that stores markdown pages in git, with file attachments and full page history.

Free · Notes and knowledge

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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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Write one sentence about the page you want and get a mobile friendly HTML file to tweak, download or put online, free and without signup.

Since 2024

Free · Website builders

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An open-source Mac and iPhone notes app that keeps Markdown as plain files, syncs over iCloud and backs up to Git.

Notes and knowledge · Individuals and families

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Searches your company's Slack, Drive, GitHub and other tools by permission and answers questions with links to the source.

Notes and knowledge

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Visual canvas where teams arrange repos, notes, links and people for a project and work on it together live.

Projects and tasks · Software companies

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Guides small startups through SOC 2 and ISO 27001 audits with a task list and evidence pulled from their cloud tools.

Since 2026

Subscription · Security and passwords · Software companies

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Open-source AI analyst for data teams that links any LLM to company data and answers questions in a web app or Slack.

Since 2025

Data and spreadsheets

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Task tracker for product teams that adds a public board where users vote on ideas and follow the roadmap and changelog.

Free plan · Projects and tasks · Software companies

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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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A desktop task manager that keeps tasks, habits and goals in plain org-mode files, with an AI assistant and git sync.

Since 2026

Projects and tasks · Individuals and families

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Self-hosted docs and wiki software with templates, approval steps and read analytics for company know-how.

Free plan · Notes and knowledge

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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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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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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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A note app on an endless canvas with nested pages, Markdown, sketching and live collaboration, for people who think visually.

Since 2025

Subscription · Notes and knowledge · Individuals and families

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One query checks Tor search sites, GitHub and threat feeds and returns actors, leaked logins and IOCs for security analysts.

Since 2026

Free plan · Security and passwords

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Lightweight project tracker with boards, Gantt charts and GitHub links for software teams that would rather ship.

Subscription · Projects and tasks · Developers

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A Mac app that fixes English grammar and tone as you type in any app and explains each fix in your own language.

Since 2026

Free plan · Something else · Individuals and families

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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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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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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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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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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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Connects Claude and ChatGPT to tools like Search Console, Google Ads and your own APIs, with per-person logins and call logs.

Since 2026

Free plan · Automation and integrations

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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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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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A Mac app for writing and linking plain Markdown notes in your own folders, with boards, tables and optional AI help.

Since 2026

Free plan · Notes and knowledge · Individuals and families