No moat. Still in business.

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Lets businesses get contracts signed online, then store, search and track renewals for them in one place.

Since 2010Updated 12 days ago

Documents and e-signature

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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

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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

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Runs automated tests against your APIs and websites after each deploy and on a schedule, with alerts on failure.

Since 2016

Uptime and monitoring · Developers

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Generates searchable API docs from C++ code and Markdown pages, with optional hosting, for C++ teams.

Since 2021

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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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

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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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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

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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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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

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Secure deal rooms where domain and digital asset sellers share files, get NDAs signed and take escrow payment.

Since 2019

Documents and e-signature · Online sellers

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A secure portal that requests files from clients, sends automatic reminders and syncs what comes back to your drive.

Since 2019

Free trial · Documents and e-signature

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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

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Send documents for electronic signature, including qualified eIDAS signatures, and track their status, for European businesses.

Subscription · Documents and e-signature

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

Since 2024

Developer tools · Developers

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

Free plan · Documents and e-signature

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Draft, negotiate, sign and store contracts in one place, with AI that reviews and answers questions about them.

Since 2024

Free trial · Documents and e-signature

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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

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A friendly client for sending and testing HTTP API requests, available in the browser, as a desktop app and in the terminal.

Developer tools · Developers

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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

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An open-source e-signature app for sending and signing documents, with templates and an embeddable signing flow.

Documents and e-signature

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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

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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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A virtual data room for deals that controls who sees each document and tracks how readers engage with them.

Since 2024

Free plan · Documents and e-signature · Law firms

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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

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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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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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Hosted service that runs scripted HTTP API tests on a schedule or in CI so teams know their endpoints still work.

Since 2024

Uptime and monitoring · Developers

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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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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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Drag and drop builder for contact, survey, registration and payment forms, with a free plan without response caps.

Free plan · Forms and surveys

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E-signature tool for small businesses with unlimited documents, templates and team members at one fixed price.

Documents and e-signature

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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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Send documents out for e-signature and pay only for the ones that get signed, with three free each month.

Since 2024

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

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A catalog engineering teams host themselves to collect REST and SOAP specs, see which services depend on which, and try out endpoints.

Since 2026

Subscription · Developer tools · Developers

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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.

Since 2026

Developer tools · Developers

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Edit, sign, merge, compress and convert PDF files in the browser without uploading them or signing up.

Since 2026

Free · Documents and e-signature

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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