No moat. Still in business.

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Point your website's HTML form at this service to store submissions, filter spam and send them to email or other apps.

Since 2014

Free plan · Forms and surveys · Agencies

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An API for adding license keys, device activation and secure update delivery to desktop and on-premise software.

Since 2016

Developer tools · Developers

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API that returns the country, city, ISP and proxy status of an IP address, plus domain WHOIS data, for developers.

Free plan · Security and passwords · Developers

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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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Checks email lists and single addresses for bad or risky contacts, including catch-all domains, by CSV upload or API.

Since 2024

Free plan · Email marketing

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Generates PDFs and images from saved templates, HTML or web pages through an API or no code tools such as Zapier.

Documents and e-signature · Developers

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A Mac app for writing and linking plain Markdown notes in your own folders, with boards, tables and optional AI help.

Since 2026

Free plan · Notes and knowledge · Individuals and families

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A desktop task manager that keeps tasks, habits and goals in plain org-mode files, with an AI assistant and git sync.

Since 2026

Projects and tasks · Individuals and families

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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.

Since 2026

Automation and integrations · Developers

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Fills templates with data to produce PDFs, images and validated ZUGFeRD electronic invoices, from code, AI agents or no code tools.

Free plan · Invoicing and billing · Developers

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One API for sending and receiving email, SMS and voice calls, with US A2P 10DLC SMS registration handled for you.

Free plan · Transactional email · Developers

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Design a template once, then fill it with data from your API or no-code tools to produce images, PDFs and videos automatically.

Since 2025

Free plan · Design and images · Agencies

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A form backend that collects submissions from any HTML form and sends them to email, Slack or Zapier, for static site builders.

Since 2021

Free plan · Forms and surveys · Freelancers

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A GitHub app that runs AI agents in GitHub Actions to review pull requests, triage issues and fix failing CI.

Free plan · Developer tools · Developers

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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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An API that takes file uploads, then resizes images, encodes video and audio, scans for viruses and delivers them.

Developer tools · Developers

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Saves every prompt, session and tool call from your coding agents in one place so teams can search and share them.

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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Visual Studio add-on that lets phones and other devices reach an IIS Express dev server, locally or through an internet tunnel.

Free plan · Developer tools · Developers

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Monitors websites and Linux servers, sends alerts by email, SMS or call, and hosts branded status pages on your domain.

Free plan · Uptime and monitoring · Developers

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Design a PDF template in a drag and drop editor, then fill it with data to produce invoices, certificates and reports by API or Zapier.

Free plan · Documents and e-signature

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Runs Claude Code and OpenCode sessions side by side in cloud sandboxes, started from Slack, Linear, GitHub or a phone.

Since 2026

Free plan · Developer tools · Developers

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Mac app for developers using several terminal coding assistants: talk to each in one window and return to any running session.

Since 2026

Free plan · Developer tools · 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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Alerts you when AI agent runs, cron jobs or CI pipelines fail, stall or never start, with status pages.

Free plan · Uptime and monitoring · Developers

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Desktop workspace where developers run several coding agents side by side and review their changes in one place.

Since 2025

Subscription · Developer tools · Developers

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Desktop app that runs several AI coding agents at once, each in its own git worktree, with tools to review their changes.

Since 2026

Free · Developer tools · Developers

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Lets AI assistants and developers grab clean web page screenshots from 227 countries through MCP, a CLI or a REST API.

Free plan · Developer tools · Agencies

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Local Kanban board for handing tasks to coding agents like Claude Code and Codex, then reviewing plans and diffs before merging.

Since 2026

Free plan · Projects and tasks · Developers

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An OpenAI-compatible API serving a Qwen coding model for a fixed monthly fee instead of paying per token.

Since 2026

Subscription · Developer tools · Developers

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An iPhone terminal with persistent SSH sessions, server alerts and live views of coding agents running on your hosts.

Since 2026

Uptime and monitoring · Developers

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Back up and move Claude Code, Codex and similar agent sessions between your computers or to teammates, encrypted end to end.

Since 2026

Free plan · Developer tools · Developers

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A desktop and phone app for running and reviewing many coding agents at once across your own machines.

Developer tools · Developers

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Desktop app that runs several AI coding agents in separate git worktrees and tells you when each needs input.

Since 2026

Free plan · Developer tools · Developers

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Lets developers move Claude Code or Codex tasks from their Mac to cloud sandboxes and get pull requests back.

Since 2026

Subscription · Developer tools · Developers

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Captures coding agent conversations and turns them into shared diagrams and design notes so teams can review and spot clashes.

Since 2026

Developer tools · Developers

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Mac app that lets developers run lots of Claude Code, Codex and Grok agents in a grid view, with usage tracking and alerts.

Since 2026

Free plan · Developer tools · Developers

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A scraping API that fetches any page through proxies and headless browsers and returns HTML, text or structured JSON.

Free plan · Developer tools · Online sellers

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A phone and tablet SSH app for developers to resume tmux sessions, browse remote files and start coding agents with a tap.

Since 2026

Free plan · Developer tools · Developers

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Searches your past coding agent sessions before each prompt so the agent can reuse earlier fixes and decisions.

Since 2026

Developer tools · Developers

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A VS Code based editor that runs several coding agents at once, each in its own Git worktree, so you can review their work.

Since 2026

Developer tools · Developers

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Lets developers reach Claude Code or Codex sessions running on their own server from a browser tab or Telegram.

Since 2026

Free plan · Developer tools · Developers

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Gives terminal coding agents like Claude Code and Codex a visual interface with diffs, task checklists and a view of every session.

Since 2026

Free plan · Developer tools · Developers

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A Mac app that lets developers chat with, approve and schedule their AI coding agents as if they were messaging contacts.

Since 2026

Free · Developer tools · Developers

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A desktop app that runs coding agents like Codex and Claude Code in separate Git worktrees and lets you review each change.

Since 2026

Free · Developer tools · Developers

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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.

Since 2026

Developer tools · Developers

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An open source desktop app that puts several AI coding agents in one chat thread, with pull requests, Git and a browser alongside.

Free · Developer tools · Developers

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A Mac notch app that reports what your AI coding agents did and lets you approve or reply to them from there.

Free · Developer tools · Developers