No moat. Still in business.

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An API for adding license keys, device activation and secure update delivery to desktop and on-premise software.

Since 2016

Developer tools · Developers

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Share a link so clients mark up PDFs, drawings, videos and eLearning, with each comment tracked as a task and approvals logged.

Since 2016

Free plan · Documents and e-signature · Agencies

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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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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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WordPress plugin for tour operators to sell trips, take deposits, manage departures and list tours on Viator and GetYourGuide.

Free plan · Scheduling and booking · Hotels and hospitality

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Checks email lists and single addresses for bad or risky contacts, including catch-all domains, by CSV upload or API.

Since 2024

Free plan · Email marketing

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Sends messages from your scripts, servers or webhooks straight to the Pocket Alert app on your iPhone or Android phone.

Since 2024

Free plan · Uptime and monitoring · Developers

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Plans daily routes, maps accounts and logs visits for outside sales reps, with two-way sync to the team's CRM.

Free trial · CRM and sales

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Cloud software for Italian businesses to issue e-invoices to the tax agency, track payments and keep simple books.

Subscription · Invoicing and billing · Accountants and bookkeepers

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API that returns the country, city, ISP and proxy status of an IP address, plus domain WHOIS data, for developers.

Free plan · Security and passwords · Developers

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Calls job applicants for a first-round phone interview and sends you a scorecard, for small firms hiring hourly staff.

Since 2024

Subscription · Hiring and recruiting · Health and clinics

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Checks and autofills customer addresses in checkouts and forms, using UK postcode data and a lookup API.

Free trial · Online shops · Shops and retail

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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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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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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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Sends website form entries to your inbox, Slack or Google Sheets, blocks spam and warns you if a form stops getting entries.

Free plan · Forms and surveys

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Build PDF templates in a visual or HTML editor, then fill them with data by API or Zapier to make invoices and other files.

Free plan · Documents and e-signature

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Visual Studio add-on that lets phones and other devices reach an IIS Express dev server, locally or through an internet tunnel.

Free plan · Developer tools · Developers

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Lets small businesses collect subscribers, send newsletters and set up automatic follow-up emails, with a free plan.

Free plan · Email marketing

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An API that takes file uploads, then resizes images, encodes video and audio, scans for viruses and delivers them.

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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Design a PDF template in a drag and drop editor, then fill it with data to produce invoices, certificates and reports by API or Zapier.

Free plan · Documents and e-signature

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Set up bots without code that pull data from websites into spreadsheets or APIs and alert you when pages change.

Free plan · Data and spreadsheets

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Generates PDFs and images from saved templates, HTML or web pages through an API or no code tools such as Zapier.

Documents and e-signature · Developers

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Turns PDF liability waivers into online forms that customers sign, for businesses that still collect paper waivers.

Free plan · Documents and e-signature

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Runs memberships, billing and class bookings for CrossFit boxes, martial arts studios and small gyms.

Free plan · Practice management · Gyms and fitness

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Make chart images from a single URL to embed in emails, PDFs and reports, through the API or no-code tools.

Free plan · Developer tools

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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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API that builds videos from templates and data, for teams making ads, social clips and product videos in bulk.

Free plan · Video and audio · Online sellers

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Build a chatbot trained on your files, web pages or YouTube videos and add it to your website as a chat bubble or link.

Since 2024

Customer support

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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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Monitors websites and Linux servers, sends alerts by email, SMS or call, and hosts branded status pages on your domain.

Free plan · Uptime and monitoring · Developers

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Gives static website forms a hosted endpoint that stores submissions, filters spam and sends alerts to email, Slack or Discord.

Forms and surveys · Developers

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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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Leave comments and bug reports right on websites, mobile apps, PDFs and images, then route them to your task tools.

Design and images · Agencies

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Writers draft in Google Docs and post to WordPress, Webflow, Ghost, Shopify or social accounts with images and SEO settings kept.

Since 2022

Free plan · Marketing and social · Agencies

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Plan, write, schedule and measure social media posts across many networks, built for agencies, marketers and creators.

Marketing and social

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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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Lets AI assistants and developers grab clean web page screenshots from 227 countries through MCP, a CLI or a REST API.

Free plan · Developer tools · Agencies

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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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Upload a CSV of email addresses and get each one sorted as safe, risky or invalid before you import it into a sending tool.

Free plan · Email marketing

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WordPress plugin for building popups and bars with display rules, A/B tests and email signup capture.

Marketing and social

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Sends customers branded, prefilled forms in their own language, chases replies and passes the answers back to your tools.

Since 2026

Free plan · Forms and surveys

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Fills templates with data to produce PDFs, images and validated ZUGFeRD electronic invoices, from code, AI agents or no code tools.

Free plan · Invoicing and billing · Developers

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Upload audio or video, or record live, and get an editable text transcript in over 120 languages.

Free trial · Video and audio

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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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A form endpoint for React, Vue or plain HTML sites that stores submissions, blocks spam and emails or forwards each one.

Free plan · Forms and surveys · Developers

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Q&A site and knowledge base that teams can host themselves to collect answers to common questions.

Free · Customer support