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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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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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 self-hosted PHP blog engine for writers who want to run their own blog, extended with plugins and themes.

Free · Website builders · Individuals and families

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Mac app that runs Nginx, PHP, MySQL, PostgreSQL and Redis locally for web developers without Docker or VMs.

Since 2022

Free plan · Developer tools · 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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Collects traces, metrics and logs through OpenTelemetry for engineering teams, hosted or on your own servers.

Since 2022

Free trial · Uptime and monitoring · Developers

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A simple to-do list app you host yourself, with several lists, tags, due dates and priorities.

Free · Projects and tasks · Individuals and families

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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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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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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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French open source e-commerce platform for building custom online stores, with click and collect and ERP or CRM connections.

Free · Online shops · Shops and retail

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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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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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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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A self-hosted content management system built on Laravel that developers and studios use to build client websites.

Subscription · Website builders · Agencies

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Lightweight blog software in plain PHP that stores posts as files, with themes, plugins and comment spam protection.

Free · Website builders · Individuals and families

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A small PHP blog engine you install on ordinary web hosting, with themes and an easy admin panel.

Free · Website builders · Individuals and families

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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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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 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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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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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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Lets AI teams version and test prompts, run evaluations and trace production agent calls outside the codebase.

Since 2023

Developer tools · Developers

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Observability built on OpenTelemetry for software teams, covering logs, traces, dashboards and alerts with cost control.

Since 2024

Free trial · 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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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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Application performance monitoring with logs, traces, metrics and alerts on OpenTelemetry, in the cloud or self-hosted.

Since 2022

Free plan · Uptime and monitoring · Developers

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Security log search, detection rules and OpenTelemetry data in one store, run in the cloud or on your own servers.

Since 2026

Uptime and monitoring · Software companies

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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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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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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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Stores and queries logs, metrics and traces on object storage at low cost, as a managed cloud or on your own servers.

Since 2026

Uptime and monitoring · Developers

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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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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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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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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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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 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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Stores and searches logs, metrics and traces at low storage cost, as a cloud service or software you host yourself.

Free plan · Uptime and monitoring · 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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Captures full stack session data from production and passes it to coding agents like Claude Code so they can fix bugs.

Since 2025

Developer tools · Developers

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Hosted service that sends webhooks for software teams, with retries, dead letter queues and delivery logs.

Since 2025

Free plan · Developer tools · Developers

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An observability backend on ClickHouse that takes logs, metrics, traces and profiles and lets teams query them in Grafana.

Free plan · Uptime and monitoring · Developers

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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

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Lightweight open source PHP content management system with tag-based templates and plugins for running a website or blog.

Free · Website builders

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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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Open source document management system you host yourself to store files and run review workflows.

Free · Documents and e-signature