No moat. Still in business.

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A client portal for sending files privately to clients and partners, run on your own server or in their cloud.

Free · Documents and e-signature

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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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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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Add-on pack for Contact Form 7 that adds spam blocking, saved entries, redirects, webhooks and payments.

Free plan · Forms and surveys

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Sends passwords, keys or files through encrypted links that delete themselves after being opened or after a set time.

Free · Security and passwords

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A free, quick kanban board for tracking bugs, ideas and small projects, which you can also run on your own server.

Free · Projects and tasks

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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.

Free plan · Transactional email · Developers

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Open-source file storage and sharing server with spaces, permissions, sync and office editing that you host yourself.

Documents and e-signature

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An API that adds open and click tracking to emails from any provider and sends the events to your app by webhook.

Free plan · Transactional email · Developers

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Shared online clipboard that syncs text and files between your devices through a private link that expires, no account required.

Free · Notes and knowledge · Individuals and families

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A Mac terminal manager for developers running several coding agents, showing which session is waiting for input.

Since 2026

Developer tools · Developers

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

Website builders

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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.

Developer tools · Developers

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Dashboard for email sent through Amazon SES showing bounces, deliveries, complaints, opens and clicks, run yourself or hosted.

Free · Transactional email · Developers

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Gives you one fixed webhook URL that forwards Stripe and Paddle events to whichever branch deployment you are testing.

Free plan · Developer tools · Developers

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Gives each AI agent a real email address, and soon a phone number, so it can read mail, reply and use login codes.

Free plan · 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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An API and MCP server that lets AI agents send contracts and collect two-party signatures by email.

Free plan · Documents and e-signature · Developers

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Drag files onto this Mac menu bar app to store them in a Cloudflare R2 bucket you own and copy a share page link, with no subscription.

Free · Something else · Individuals and families

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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.

Developer tools · Developers

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Move files, text and links between your phone and computers through a cloud app that runs on six platforms.

Free plan · Something else · Individuals and families

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Mac screenshot and screen recording tool with a cloud space where teams and clients store, comment on and share captures.

Design and images · Agencies

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A web file manager that puts one interface over S3, SFTP, SMB and other storage so teams can browse and share files.

Documents and e-signature

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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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One MCP server that gives AI agents hundreds of sourced data streams like weather, markets and releases, with full history.

Developer tools · Developers

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Hosts a static site from an uploaded folder, ZIP or single file and gives you an HTTPS link to share, with no git or build steps.

Free plan · Website builders · Individuals and families

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Receives webhooks for your app, retries failed deliveries and keeps a replayable history so no events get lost.

Free plan · Developer tools · Developers

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Send files from scripts, AI agents or a browser as short links with expiry dates, passwords and download caps.

Since 2026

Free plan · Developer tools · Creators and writers

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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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A small self-hosted support desk with chat-style tickets, a customer portal and staff queues, running as one Go binary.

Free · Customer support

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Gives each service a private webhook URL and turns incoming JSON into plain English iPhone alerts, with sensitive fields masked.

Uptime and monitoring · Developers

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Lets merchants invoice in Monero and have customers pay straight into the merchant's own wallet, with APIs and webhooks.

Payments and checkout · Shops and retail

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A Chrome extension that gives you a webhook URL, so automation tools can open links as new tabs in your browser.

Automation and integrations · Developers

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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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Upload large files and share them by link without an account, with paid plans for permanent storage and bigger files.

Free plan · Something else

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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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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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File sharing and sync that a team installs on its own server, working on the folders already there instead of a cloud drive.

Subscription · Documents and e-signature

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WordPress plugin that gives each client a private portal for shared files, pages and messages on your own site.

Free plan · Customer support · Agencies

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A JSON API and webhooks that deliver new SEC filings and insider trades to fintech apps and quants.

Free plan · Developer tools · Developers

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Send app events with one HTTP call, then search them and get them delivered to Slack, Discord, Telegram or webhooks.

Free plan · Developer tools · Developers

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Menu bar app that sends screenshots, recordings and files to the cloud storage you choose and copies a link to share.

Something else · Individuals and families

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An email API that developers use to receive mail on their own domain as JSON, route it and reply in the same thread.

Subscription · Transactional email · Developers

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Lets people put a home-built app or a folder online at a shareable link, served from their own computer instead of a host.

Free plan · Website builders · Individuals and families

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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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Send large files and secrets through encrypted links that expire, carry passwords and show when the recipient downloads them.

Subscription · Documents and e-signature

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Encrypts files in your browser before upload and shares them by private link, for firms that handle sensitive client files.

Security and passwords · Health and clinics