No moat. Still in business.

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Scans code for quality issues, security flaws and AI coding policy breaks across a team's repositories, with automated review.

Since 2012

Free trial · Developer tools · Developers

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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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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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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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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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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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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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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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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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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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Jot tasks down quickly on iPhone or Mac and sort them into your other tools later.

Free plan · Projects and tasks · Individuals and families

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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.

Free plan · SEO · Developers

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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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Deploys each labelled GitHub pull request as a live preview environment on your own Lightsail or Hetzner servers.

Since 2020

Developer tools · Developers

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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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Runs Claude Code and Codex jobs in parallel inside isolated containers, locally or on cloud runners, with memory shared across them.

Since 2018

Free plan · Developer tools · Developers

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Open-source backend for app builders with auth, databases, storage, functions and hosting, run in the cloud or on your own servers.

Since 2021

Developer tools · Developers

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A Mac app for comparing Git commits and branches, tracing file history and resolving merge conflicts.

Since 2023

One-off payment · Developer tools · Developers

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Runs coding agents in managed cloud machines for code review, bug fixes and background tasks, set up in YAML.

Since 2024

Developer tools · Developers

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Keeps pull request discussions in sync across GitHub, Slack and VS Code so dev teams and AI agents review code faster.

Free plan · Developer tools · Developers

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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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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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A Mac app for comparing text, images and folders and resolving Git merge conflicts, for developers and designers.

Subscription · Developer tools · Developers

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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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Mac editor where you write what to build, agents comment and explore options, then build the chosen one as a pull request.

Since 2024

Developer tools · Developers

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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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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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A coding agent app that works out a spec with you first, then writes, checks and hands back code for approval.

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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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 keyboard-driven Mac and Linux app for reviewing GitHub pull requests, with diffs, checks and threads loaded from a local cache.

Developer tools · Developers

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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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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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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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A coding environment for developers to run several AI agents at once and review the code changes they make.

Since 2023

Subscription · Developer tools · Developers

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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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Drop-in Redis replacement that aims to halve memory use, with a trial mode to test savings on your own data.

Free trial · Developer tools · Developers

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Writes pull request descriptions and team change summaries from your code diffs in GitHub and GitLab.

Free plan · Developer tools · Developers

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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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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 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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Hosted app backend with database, user login and generated REST and GraphQL APIs, so developers skip running servers.

Developer tools · Developers

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Code review tool that splits pull requests into ordered chapters so reviewers follow changes faster.

Since 2026

Subscription · Developer tools · Developers

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

Free plan · Developer tools · 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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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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Terminal AI agent that edits C and C++ code, then runs your build, tests and sanitizers on each change before you see the diff.

Since 2026

Free plan · Developer tools · Developers

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A set of AI agents that turn customer requests into tickets, code changes and reviewed pull requests for software teams.

Since 2026

Subscription · Developer tools · Developers