No moat. Still in business.

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Shrinks JPG, PNG, WebP and other images through a web tool, API or CMS plugins so websites load faster.

Since 2013

Free plan · Design and images · Agencies

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Excel add-in for querying tables with SQL, scripting workbooks in C# and building custom Excel functions.

Since 2016

Free plan · Data and spreadsheets · Developers

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Point your website's HTML form at this service to store submissions, filter spam and send them to email or other apps.

Since 2014

Free plan · Forms and surveys · Agencies

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Runs automated tests against your APIs and websites after each deploy and on a schedule, with alerts on failure.

Since 2016

Uptime and monitoring · Developers

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Generates searchable API docs from C++ code and Markdown pages, with optional hosting, for C++ teams.

Since 2021

Developer tools · Developers

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A WordPress plugin that counts pageviews, visitors and referrers without cookies or sending data to third parties.

Since 2019

Free plan · Website analytics

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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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Adds a text-to-speech player to blogs and publisher sites so visitors can listen to articles.

Since 2019

Free plan · Video and audio · Creators and writers

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Adds sliders to WordPress pages that compare before and after images or videos, useful for salons, clinics and renovators.

Website builders · Trades and home services

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WooCommerce plugin for running a multi-seller marketplace, with vendor storefronts, commissions and an admin dashboard.

Free plan · Online shops · Online sellers

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Plans delivery and service routes from a spreadsheet of stops, handling time windows, vehicle capacity and shifts.

Since 2024

Free plan · Jobs and field service · Trades and home services

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A WordPress plugin that shows a Google, Microsoft 365 or iCloud calendar feed on your site and keeps it updated.

Free plan · Scheduling and booking

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Pulls data out of invoices, orders, statements and other documents and sends it to spreadsheets and other apps.

Since 2016

Free trial · Data and spreadsheets

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Desktop data analysis app where you ask about your data in plain English and get Python code, charts and notebooks run on your computer.

Since 2017

Data and spreadsheets

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Builds architecture diagrams and system maps from prompts, code, cloud setups or docs, aimed at engineering teams.

Since 2021

Free plan · Design and images · Developers

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Deploys each labelled GitHub pull request as a live preview environment on your own Lightsail or Hetzner servers.

Since 2020

Developer tools · Developers

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Pulls data out of emails, PDFs and invoices and sends it on to your other apps, through a web app or an API.

Since 2017

Free plan · Data and spreadsheets

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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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A form backend that collects submissions from any HTML form and sends them to email, Slack or Zapier, for static site builders.

Since 2021

Free plan · Forms and surveys · Freelancers

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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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Free WordPress plugin for adding custom post types, taxonomies and fields and linking content together.

Free · Website builders · Agencies

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A free WordPress plugin that removes unused default features and content to tidy and speed up a site.

Free · Website builders · Developers

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Runs coding agents in managed cloud machines for code review, bug fixes and background tasks, set up in YAML.

Since 2024

Developer tools · Developers

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WordPress plugin for creating custom fields, post types and front-end forms to build data-driven sites.

Free plan · Website builders · Agencies

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WordPress plugin that adds live crypto price tickers, tables and charts to a website.

Website builders · Creators and writers

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Keeps pull request discussions in sync across GitHub, Slack and VS Code so dev teams and AI agents review code faster.

Free plan · Developer tools · Developers

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Watches GitHub, npm, PyPI, Docker Hub and other sources and tells you when projects you follow ship a new version.

Developer tools · Developers

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Books shipments across many carriers, prints labels and handles picking, packing and returns for web shops.

Online shops · Shops and retail

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Self-hostable alternative to Vercel and Netlify for deploying web apps, with previews, environments and logs.

Free plan · Developer tools · Developers

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Feature flags for gradual rollouts that open a pull request to remove each flag from your code once it is done.

Free plan · Developer tools · Developers

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CAPTCHA that blocks bot sign-ups and form spam without cookies or tracking, available as a WordPress plugin, self-hosted or managed.

Free plan · Security and passwords

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WordPress plugin that lets site owners show or hide each widget on chosen posts, pages and categories.

Free plan · Website builders

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Keeps a searchable log of who changed what on a WordPress site and alerts owners by email or text about risky events.

Security and passwords

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Run surveys in email, websites and apps, then group the answers into themes so product teams can act on customer feedback.

Free plan · Forms and surveys · Software companies

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Runs Terraform and OpenTofu plans on every pull request, checking policy and approvals before changes are applied.

Free plan · Developer tools · Developers

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Booking pages and calendar sync so clients can book meetings or appointments with coaches, teachers, teams and small firms.

Free plan · Scheduling and booking

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A browser tool for animating SVG logos, icons and illustrations and exporting them as code, Lottie, GIF or video.

Free plan · Design and images

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Builds multi-step forms with logic that guide website visitors through questions to collect leads and job applicants.

Free plan · Forms and surveys

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Sorts, filters and archives your GitHub notifications so developers can keep track of issues and pull requests outside email.

Free plan · Developer tools · Developers

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Adds like and dislike voting buttons to website pages, with vote stats, sharing and an API for the counts.

Reviews and testimonials

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WordPress plugin for adding, managing and showing events and appointments on a calendar, with paid add-ons for more options.

Free plan · Scheduling and booking

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WooCommerce add-ons that create Taiwanese electronic invoices through ECPay, ezPay, Amego or SmilePay.

Subscription · Invoicing and billing · Online sellers

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Adds extra blocks, animations and ready page patterns to the WordPress block editor, for any theme.

Website builders

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Runs performance benchmarks in your CI and flags slowdowns on each pull request, for software teams.

Since 2023

Free plan · Developer tools · Developers

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Edit, upload and delete WordPress theme and plugin files from the admin area, with per user file permissions.

Website builders · Agencies

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Checks code written by AI coding agents for security flaws and team standards, in pull requests and inside the editor.

Free plan · Security and passwords · Developers

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A free open source WordPress plugin that lets museums and archives manage and publish digital collections.

Free · Something else · Schools and tutors

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VS Code extension where an AI agent takes a bug description, edits a copy of your JS or TS repo and tests the fix.

Developer tools · Developers