No moat. Still in business.

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Finds verified B2B contacts and runs email and LinkedIn outreach sequences so sales teams can book more meetings.

Since 2015

Subscription · CRM and sales · Agencies

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Draw electronic schematics and run analog and digital circuit simulations in the browser, with no install needed.

Since 2012

Design and images · Schools and tutors

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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 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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A lightweight Mac code editor that runs and debugs code in dozens of languages, for programmers who want quick scripts.

One-off payment · Developer tools · Developers

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Website widget for estate agents that offers visitors a free property valuation PDF and captures them as leads.

Free plan · Marketing and social · Property and estate agents

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Upload a KiCad or Altium schematic and get an AI review of wiring mistakes checked against part datasheets before you order boards.

Since 2026

Free plan · Something else · Manufacturing

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Lets WordPress site builders take snapshots, roll back broken changes, clear demo data and reset a site in one click.

Subscription · Website builders · Agencies

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Lets roofers pin homes on a map, draft roof estimates and mail homeowners a project postcard instead of knocking doors

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

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Ties logs and traces from iOS and Android apps to backend services so app teams can trace a user problem to its cause.

Since 2025

Uptime and monitoring · Developers

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Gets and renews free Let's Encrypt SSL certificates on cPanel shared hosting without command line work.

Free plan · Security and passwords

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Builds sales and lead funnels inside WordPress and WooCommerce, with custom checkout pages, upsells and split tests.

Online shops · Online sellers

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Finds and checks work email addresses for sales prospects, charging only for verified results.

Since 2015

Subscription · CRM and sales · Agencies

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Finds likely buyers from your website, writes them personal cold emails and handles follow-ups to book sales calls.

Since 2013

Pay as you go · CRM and sales · Agencies

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Shows B2B sellers which companies visit their website and what interests them, so sales can follow up early.

Free trial · CRM and sales · Agencies

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Watches Reddit, LinkedIn, X and other sites for people asking for a product like yours and drafts replies for B2B founders.

Since 2023

Subscription · CRM and sales · Agencies

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Spreadsheet that links to databases and files and lets AI write the formulas, Python and charts for you.

Since 2023

Data and spreadsheets

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Quiz builder for scored and personality quizzes you can embed on a site to collect leads or test students.

Free plan · Forms and surveys

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Finds businesses with dated websites, scores their sites and runs outreach by letter, email and LinkedIn for web design agencies.

Since 2024

CRM and sales · Agencies

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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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Native Mac code editor for web and app developers, with Git, debugging, terminal and remote file publishing.

Free trial · Developer tools · Freelancers

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An API giving clean JSON job listings from thousands of companies, for building job boards and hiring analytics.

Since 2024

Subscription · Data and spreadsheets · Developers

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Watches Reddit for posts that mention your brand or keywords, alerts you, and drafts replies so you can join in.

Since 2024

Free plan · Marketing and social

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Terminal AI agent that edits C and C++ code, then runs your build, tests and sanitizers on each change before you see the diff.

Since 2026

Free plan · Developer tools · Developers

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Pulls business listings from Google Maps by keyword and place into lead lists you can export as CSV, Excel or JSON.

Since 2026

Free plan · CRM and sales

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Finds local businesses on Google Maps, scores them as leads and sends email and SMS follow-ups, for freelancers and agencies.

Since 2026

Subscription · CRM and sales · Agencies

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Finds posts on X, Reddit, GitHub, LinkedIn and Discourse from people seeking what you offer, then drafts a reply for each one.

Since 2025

Subscription · CRM and sales · Agencies

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Records every AI agent decision in a signed, tamper-evident log so teams can show regulators what their AI did under the EU AI Act.

Since 2026

Free plan · Developer tools · Developers

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Build quizzes, polls and surveys to embed on your site, collect leads and see what your audience thinks. Aimed at marketers and publishers.

Free plan · Forms and surveys

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Fixes the mixed content and insecure content warnings a WordPress site shows after it moves to HTTPS.

Website builders

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Watches Reddit, X and LinkedIn for people asking for what you sell and drafts replies that point them to you.

Since 2025

Subscription · Marketing and social · Software companies

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Runs versioned SQL and Python database migrations with dry runs, history checks and rollbacks, for Python teams.

Since 2026

Free plan · Developer tools · Developers

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An AI agent that edits KiCad schematics and boards and reruns electrical and design rule checks until they pass.

Since 2026

Free · Developer tools

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Build quizzes and assessments that collect visitor emails and point each person to a suitable product or next step.

Free plan · Forms and surveys · Online sellers

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Finds software companies that already pay for marketing, with the source of each signal and a public way to contact them.

Since 2026

Pay as you go · CRM and sales · Agencies

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Tracing and monitoring for AI agents written in Elixir, showing which model or tool call failed, slowed down or cost too much.

Since 2026

Free plan · Uptime and monitoring · Developers

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Search a large database of business contacts, check their emails and export leads to CSV for sales outreach.

Since 2025

Subscription · CRM and sales

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A desktop app for developers to inspect RabbitMQ queues, spy on live traffic and replay dead-lettered messages.

Since 2025

One-off payment · Developer tools · Developers

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Sends you new business websites in your market each week, filtered by keyword or tech, with their contact details.

Since 2026

Subscription · CRM and sales · Agencies

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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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Live chat, chatbots and an AI shopping assistant that help online shops answer visitors and turn chats into sales.

Free plan · Customer support · Online sellers

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Upload a schematic, netlist and parts list to get a report of wiring mistakes and design fixes before you order boards.

Since 2026

Something else

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Builds B2B lead lists of buyers and distributors from registers, trade shows and dealer locators, for companies selling physical goods.

Since 2025

Free plan · CRM and sales · Manufacturing

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A desktop workspace where an AI agent helps hardware makers read datasheets, lay out KiCad boards and write firmware.

Since 2025

Free plan · Developer tools · Developers

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Finds prospects from a large contact database, writes each a personal email and keeps following up until they answer.

Since 2026

Free plan · CRM and sales

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Lets developers share live progress of scripts and jobs through a link, via an API or a tqdm replacement.

Uptime and monitoring · Developers

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Point any domain at any URL with automatic HTTPS, path rules and hit analytics, no server to run.

Free plan · Website builders

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Finds leads and sends personalised cold emails with automatic follow-ups so sales teams book more meetings.

Since 2025

Subscription · CRM and sales