No moat. Still in business.

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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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Lets support and sales staff browse any website together with a customer in real time, without installing code.

Since 2013

Customer support

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Pulls data out of recurring emails and attachments using your rules, then sends it to spreadsheets, CRMs or webhooks.

Since 2013

Free trial · Data and spreadsheets

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Fires webhooks once or on a cron schedule in your timezone and alerts you when a call fails.

Since 2019

Free plan · Developer tools · 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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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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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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Jot tasks down quickly on iPhone or Mac and sort them into your other tools later.

Since 2024

Free plan · Projects and tasks · Individuals and families

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A small headless CMS for writing and publishing blog posts and media, pulled into your site by API.

Free plan · Website builders · Creators and writers

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A free personal URL that emails you when a script, cron job or build calls it, for developers who want simple alerts.

Free · Uptime and monitoring · Developers

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An API that gives AI agents their own email inboxes to send and receive mail, with webhooks and scanning for prompt injection.

Since 2026

Free plan · Transactional email · 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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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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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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Website live chat with an AI agent and one shared inbox for WhatsApp, Instagram, Messenger and email messages.

Since 2023Updated 13 days ago

Free plan · Customer support

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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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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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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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Receives incoming email and passes each message to your app as a signed HTTP POST, so there's no need to run a mail server.

Free · Developer tools · Developers

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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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An API that renders HTML and saved templates into PDFs and screenshots, for developers who need documents from their apps.

Pay as you go · Documents and e-signature · Developers

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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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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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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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Send your own HTML form to a hosted endpoint that stores entries, holds back spam and forwards them to email or other tools.

Forms and surveys · Agencies

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Hosted backend that takes in webhooks from Stripe, Shopify and others, stores them and runs your code with queues, cron and retries.

Since 2024

Free plan · Developer tools · Developers

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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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A form backend for developers that adds front-end validation, autoresponders and spam blocking, with a HIPAA option.

Free trial · Forms and surveys · Health and clinics

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Lets app and game developers change settings and run A/B tests remotely, without shipping a new build or waiting for store review.

Since 2024

Developer tools · Developers

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A hosted service that sends your app's webhooks with retries, logs and debugging so developers need not build it.

Free plan · Developer tools · Developers

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Sends webhooks from your app to customers with retries, signatures and logs, hosted in the EU or run on your own servers.

Free plan · Developer tools · Developers

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Posts a Slack alert when Apple or Google approves or rejects your app, or a TestFlight build is ready.

Since 2023

Subscription · Uptime and monitoring · Developers

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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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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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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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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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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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A light self-hosted Git server with a web interface that runs as one binary or Docker container on small machines.

Free · Developer tools · Developers

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Connect email accounts and get messages sent to your webhooks, with an API for replies and content analysis.

Since 2023

Free trial · Developer tools · Developers

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Makes static and editable QR codes and barcodes with branding, scan stats and a link shortener for businesses.

Marketing and social

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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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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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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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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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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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A native Mac app for developers to set up local mock endpoints, inspect incoming requests and test webhooks and API failures.

Since 2026

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

Free plan · Website builders