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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A shared POSIX file system for Linux and Mac servers that stores its data in S3 or other object storage, with no storage cluster to run.

Since 2015

Subscription · Developer tools · Developers

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Lets teams edit, test and send transactional email templates without code deploys, with A/B tests and analytics.

Since 2014

Subscription · Transactional email · Software companies

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Watches web pages for changes and sends alerts or scraped data to Slack, Discord, Telegram or Google Sheets without code.

Since 2019

Free plan · Uptime and monitoring

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Turns videos into interactive ones with questions, buttons and branching, then reports what each viewer watched and answered.

Since 2018

Subscription · Video and audio · Agencies

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Lets associations, schools and niche communities run their own paid job board without writing code.

Since 2023

Subscription · Hiring and recruiting · Schools and tutors

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Map spreadsheet columns onto a PDF form and export one filled PDF per row, in the browser or through an API.

Free plan · Documents and e-signature

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Map CSV files onto any REST API without custom scripts, with rate limit handling and clear errors for each row.

Subscription · Data and spreadsheets · Developers

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Build AI chat agents for support or sales and run them on your website, Slack, WhatsApp and other channels.

Subscription · Customer support

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Live gold and silver price data plus automatic product repricing for bullion sellers on WooCommerce, Shopify and eBay.

Subscription · Online shops · Shops and retail

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Sends automated email, SMS, push and WhatsApp messages using user segments and a visual journey builder, and can be embedded in your app.

Subscription · Email marketing · Health and clinics

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Tracks sales and leads from ads and sends the conversions back to ad platforms, for marketers, agencies and shops.

Free plan · Website analytics · Online sellers

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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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API that pulls product prices, stock, search ranks and reviews from big online marketplaces in one format.

Since 2024

Subscription · Developer tools · Online sellers

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Pull request stats, DORA dashboards, daily summaries and custom alerts built from a team's GitHub activity.

Subscription · Developer tools · Developers

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Turn app features on or off and roll them out to chosen users without redeploying, with unlimited team seats.

Free plan · Developer tools · 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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Live video calls, co-browsing and phone-based remote inspections so support and field teams can see the problem.

Subscription · Customer support · Trades and home services

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Feature flag service that lets software teams roll out, test and switch off features in production without redeploying.

Subscription · Developer tools · Developers

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One API and dashboard for sending product notifications by email, SMS, push, Slack and in-app inbox.

Since 2022

Subscription · Transactional email · Developers

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Captures screenshots of React Native Storybook stories on cloud iOS and Android simulators and flags UI changes before release.

Free plan · Developer tools · Developers

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WebSocket server for app developers that keeps realtime messages ordered and recovers them after dropped connections.

Free · Developer tools · Developers

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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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Marketing teams generate creative briefs and finished video ad assets that follow their brand guidelines.

Since 2024

Subscription · Marketing and social

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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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Case management for immigration lawyers, with client intake forms, USCIS receipt tracking, trust accounting and a client app.

Subscription · Practice management · Law firms

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A single API for passwordless sign in on consumer apps: passkeys, email links, one time codes and social accounts, tested under heavy load.

Free plan · Security and passwords · Software companies

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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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Runs your UniFi network controller in the cloud with backups, updates, monitoring and support, for IT teams and installers.

Since 2023

Free plan · Uptime and monitoring

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Lets a business build AI chat assistants trained on its own content for customer support and internal search, with a RAG API.

Since 2024

Subscription · Customer support

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Self-hosted platform for managing Git, Subversion and Mercurial repos with shared code review and permissions.

Free · Developer tools · Developers

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An API and SDKs that pull structured data from web pages using plain-language queries, for developers building AI agents.

Since 2024

Free plan · Developer tools · Developers

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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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Plans, writes and publishes marketing content for small businesses, or has its staff run it for you.

Subscription · Marketing and social

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Send JSON to a REST API and get back invoices, reports, certificates or social images built from your own templates.

Free plan · Documents and e-signature · Developers

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A single JSON feed of current prices from big US betting sites that spots positive expected value and arbitrage bets, for app developers.

Since 2026

Free plan · Developer tools · Developers

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Writes and publishes SEO articles and gets backlinks and AI chatbot mentions for business websites, on a monthly plan.

Subscription · SEO

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Project tracking on a user story map for software teams that ship continuously, with flow metrics and a CI monitor.

Since 2026

Free plan · Projects and tasks · Software companies

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A help centre that spots product changes and drafts article updates for your support team to approve.

Since 2026

Free plan · Customer support · Software companies

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An AI on-call helper that looks through logs, metrics and code to find why production broke and suggest fixes.

Since 2026

Free plan · Uptime and monitoring · Developers

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Helps community and event organisers enrich attendee data, make introductions, handle applications and keep a member directory.

Subscription · Communities and memberships · Events

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Shared IDE and cloud where engineering teams run coding agents and review their plans and diffs together.

Since 2026

Subscription · Developer tools · Developers

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Researches topics and drafts SEO articles for your site, then publishes them on a schedule once you approve each one.

Since 2026

Subscription · Marketing and social

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Helps content creators find brands that suit their audience, send sponsorship pitches and manage the replies.

Since 2025

Subscription · CRM and sales · Creators and writers

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A self-hosted web workspace for ClickHouse with a SQL editor, dashboards and cluster monitoring, for data teams.

Since 2026

Free plan · Developer tools · Developers

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Log monitor that runs in your own cloud, spots incidents and sends alerts with likely causes to Slack or PagerDuty.

Since 2026

Free plan · Uptime and monitoring · Developers

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Tracks test gaps and release health for software teams whose coding agents write the tests, and steers agents to fix gaps.

Since 2025

Subscription · Developer tools · Developers

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Gives each customer of a SaaS product their own app, database, subdomain and SSL, set up from a dashboard or API.

Free plan · Developer tools · Developers