No moat. Still in business.

0

Excel add-in for querying tables with SQL, scripting workbooks in C# and building custom Excel functions.

Since 2016

Free plan · Data and spreadsheets · Developers

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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

0

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

0

Gives static website forms a hosted endpoint that stores submissions, filters spam and sends alerts to email, Slack or Discord.

Forms and surveys · Developers

0

Turns PDF liability waivers into online forms that customers sign, for businesses that still collect paper waivers.

Free plan · Documents and e-signature

0

Collects traces, metrics and logs through OpenTelemetry for engineering teams, hosted or on your own servers.

Since 2022

Free trial · Uptime and monitoring · Developers

0

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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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

0

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

Free plan · Security and passwords

0

Creates and checks llms.txt files so AI coding assistants can read your docs, and refreshes them when the site changes.

Since 2025

Free plan · SEO · Developers

0

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

Since 2023Updated 14 days ago

Free plan · Customer support

0

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

0

Hosted service that receives, logs and retries webhooks, with a CLI for local testing and a typed SDK.

Since 2024

Developer tools · Developers

0

A cloud workspace for creating, running and sharing marimo Python and SQL notebooks for data work

Since 2024

Developer tools · Developers

0

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

0

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

Since 2023

Data and spreadsheets

0

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

Since 2024

Free trial · Uptime and monitoring · Developers

0

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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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

0

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

0

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

0

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

0

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

0

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

0

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

0

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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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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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

0

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

0

Install one agent to get server metrics, logs, uptime checks and cron tracking on one dashboard, at a low flat price.

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

Website builders

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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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API and dashboard that let developers send and receive WhatsApp messages from their own product.

Since 2025

Free plan · Developer tools · Developers

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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.

Since 2026

Free plan · Transactional email · 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.

Since 2026

Developer tools · Developers

0

Opens a public HTTPS address to a server on your own machine, so developers can test webhooks and bots.

Since 2025

Free plan · Developer tools · Developers

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Receives webhooks from providers like Stripe, then verifies, stores and forwards them to your services with retries.

Free plan · Developer tools · Developers

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An email sending API for developers that shows every message's path from queue to delivery, bounce or open.

Free plan · Transactional email · Developers

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Describe the data you want from a website and get structured results plus webhook alerts when it changes.

Since 2025

Free plan · Developer tools · Developers

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

Since 2026

Free plan · Developer tools · Developers

0

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

Since 2026

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.

Since 2026

Free plan · Developer tools · Developers

0

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

Since 2026

Free plan · Developer tools · Developers

0

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

Since 2026

Free · Customer support

0

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

Since 2026

Automation and integrations · Developers

0

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

Since 2026

Free plan · Developer tools · Developers

0

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

Since 2025

Free plan · Developer tools · Developers

0

Deploys apps from a GitHub repo onto a server in your own cloud account, with HTTPS and redeploys on each push.

Since 2026

Free plan · Developer tools · Developers

0

Sends you an alert by email, Slack, Discord, Teams, Pushover or webhook soon after Apple releases an iOS or macOS update.

Since 2025

Free · Uptime and monitoring

0

A hosted endpoint in front of your API that queues requests, retries failed deliveries and keeps a searchable log.

Since 2026

Free plan · Developer tools · Developers

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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.

Since 2025

Subscription · Transactional email · Developers

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An API that takes videos your users upload, converts them to web-ready formats and serves them from a CDN.

Free plan · Video and audio · Developers

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A WordPress plugin for building surveys, quizzes and event sign-ups that keeps responses on your own site and can take payment.

Free plan · Forms and surveys

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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

0

Uptime checks you set up through an API, a GitHub Action or an AI agent, with alerts when a site goes down.

Since 2026

Free plan · Uptime and monitoring · 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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Hosting that deploys a frontend, backend and Postgres database from a repo, a folder or an AI coding assistant.

Since 2026

Free plan · Developer tools · Developers

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Gives an HTML contact form an endpoint that filters spam and emails submissions, for static site owners and developers.

Free plan · Forms and surveys · Developers

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Build a branded waitlist page for an upcoming product, collect and verify signups, and export or push them elsewhere.

Free plan · Forms and surveys · Software companies

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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

0

Gives AI agents their own email addresses and inboxes through an API, hosted in the EU, for developers building agents.

Since 2026

Free plan · Transactional email · 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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Trigger webhooks and HTTP calls from Apple Watch faces, widgets and Siri, and see the response code.

Since 2025

Developer tools · Developers

0

A web workspace where analysts write SQL over market prices, macro series and SEC filings, then chart the results without Python.

Since 2026

Subscription · Data and spreadsheets

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

Since 2026

Payments and checkout · Shops and retail

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

Since 2026

Uptime and monitoring · Developers

0

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

Since 2026

Free plan · Documents and e-signature · Developers

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Paste one endpoint into an HTML form to get spam filtering, stored submissions, email alerts and routing to other tools.

Free plan · Forms and surveys · Developers

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Plan new hire onboarding as timed to-do lists, resources and account setup that roll out over the first weeks.

Payroll and HR

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Hosted service that logs incoming webhooks, reshapes their payloads and forwards them to Slack, Discord or any URL.

Since 2025

Developer tools · Developers

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Turns HTML into PDFs and screenshots on managed Chromium, so developers can skip running Puppeteer themselves.

Documents and e-signature · Developers

0

WordPress plugin for building no-code workflows and webhooks that connect your site to other plugins and apps.

Subscription · Automation and integrations

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Form endpoint that forwards website submissions to email, Slack or Telegram, so site owners need no backend code.

Free plan · Forms and surveys · Developers

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Sets up and manages your own cloud server to deploy Django apps, with a dashboard, CLI and API.

Since 2021

Free plan · Developer tools · Developers

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Free dynamic DNS that gives home and private hosts public hostnames for changing IPv4 and IPv6 addresses.

Free · Developer tools · Individuals and families

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Collects user feedback through one link in your app, then sorts it by sentiment and theme for indie developers.

Since 2024

Subscription · Forms and surveys · Developers

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Watches your Vietnamese bank account and confirms customer transfer payments automatically, so shops skip gateway fees.

Payments and checkout · Shops and retail

0

A drop-in widget that lets a SaaS app's users upload CSV, Excel or PDF files, map columns and fix errors before data arrives.

Since 2021

Free plan · Developer tools · Developers

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Gathers metrics, logs and traces using eBPF and explains why production incidents happened, for SRE and DevOps teams.

Since 2025

Subscription · Uptime and monitoring · Developers

0

A single self-hosted binary for running Bash or Lua scripts as webhooks, internal form pages and scheduled jobs.

Free · Developer tools · Developers

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Receives, rewrites, routes and retries webhooks to public, private or local endpoints, and can send signed webhooks to customers.

Free plan · Developer tools · Developers

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An open source mail delivery server you run yourself to send and receive email for websites, like a self-hosted Sendgrid.

Free · Transactional email · Developers

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Streams every change in a Postgres database to Kafka, Redis, queues, search indexes or webhooks, in order and without loss.

Developer tools · Developers

0

A desktop app for developers to run coding agents side by side and start multi step workflows from schedules, webhooks or tickets.

Free · Developer tools · Developers

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Record a daily number by API or iPhone app and see it as a colour-coded graph to track habits or work streaks.

Free · Developer tools · Individuals and families

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Open-source uptime monitor you run yourself, checking sites, ports, DNS and SSL, with status pages and alerts.

Since 2025

Free · Uptime and monitoring · Developers

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Open-source observability that gathers metrics, logs and traces with eBPF and points DevOps teams to the root cause of outages.

Since 2024

Uptime and monitoring · Developers

0

Gives each of your app's users their own email address and passes incoming mail and attachments to your code by API or webhook.

Since 2025

Free plan · Transactional email · Developers

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Free WordPress plugin that forwards Contact Form 7 submissions as JSON to any webhook URL or Zapier.

Free · Forms and surveys

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Read X/Twitter profiles, searches and timelines through a REST API, and get a webhook when an account you watch posts.

Free plan · Developer tools · Developers