No moat. Still in business.

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A hosted API for product teams to send app notifications over email, SMS, push, chat and an in app inbox.

Since 2020

Free plan · Transactional email · Developers

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Builds iOS and Android apps straight from Figma designs, producing React Native code that designers can ship to app stores.

Since 2019

Free plan · Design and images · Agencies

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Coordinates and automates mobile app releases for iOS and Android teams, from release trains to staged rollouts.

Since 2021

Developer tools · Developers

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Open-source error tracker that ranks frontend bugs from errors and session replays and opens fix pull requests on GitHub.

Since 2024

Uptime and monitoring · Developers

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Self-hosted pastebin where every code snippet is a Git repo, for developers and teams who want their own Gist.

Free · Developer tools · Developers

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Translates software interfaces with AI, syncs translation files through Git and lets teammates review wording.

Since 2024

Free trial · Developer tools · Software companies

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Self-hostable alternative to Vercel and Netlify for deploying web apps, with previews, environments and logs.

Free plan · Developer tools · Developers

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Detects AI agents logging into your SaaS app, masks private fields and asks the account owner before exports or payments.

Free trial · Security and passwords · Software companies

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Self-hosted platform for deploying web apps, static sites, databases and cron jobs from GitHub or GitLab.

Free · Developer tools · Developers

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Lets developers send templated email from browser or app code through their own mail provider, without writing a server.

Free plan · Transactional email · Developers

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Builds, tests and deploys code on Windows, Linux and macOS machines, hosted or on your own server.

Free plan · Developer tools · Developers

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Runs CI jobs from GitHub and GitLab on hosted machines in the EU, billing only for the CPU and memory each job actually uses.

Free plan · Developer tools · Developers

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Adds AI translations to your app's language files on each pull request, so the team can review and edit them before merge.

Free trial · Developer tools · Developers

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Lets SaaS teams record browser tests without code and run them in the cloud or CI before each release.

Free plan · Developer tools · Software companies

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Build your own RSS feed of new releases from GitHub, GitLab, NPM and Packagist projects you depend on.

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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An online workspace for writing, running and sharing AI prompts across several models, for teams building LLM features.

Since 2023

Free plan · Developer tools · Developers

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A gateway that lets platform teams reach many AI model providers through one key, with spend limits, routing and logs.

Developer tools · Developers

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Test management for QA teams that tracks manual test cases, automated runs and exploratory sessions in one place.

Since 2022

Free trial · Projects and tasks · Developers

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Runs Terraform and OpenTofu plans on every pull request, checking policy and approvals before changes are applied.

Free plan · Developer tools · Developers

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Secrets manager that lets dev teams and AI agents store, sync and deploy app keys and env variables across environments.

Security and passwords · Developers

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Checks single addresses or whole lists for syntax, mail server and mailbox problems, by upload or API, with an email finder too.

Free plan · Email marketing

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A Mac app for Git that lets developers commit, browse history and script repository actions with GitHub and GitLab built in.

Developer tools · Developers

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A localization platform that keeps product wording consistent across languages using glossaries, translation memory and an AI translator.

Developer tools · Developers

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Tracks test coverage over time for your repos and flags untested code, free for open source projects.

Free plan · Developer tools · Developers

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Watches GitHub, npm, PyPI, Docker Hub and other sources and tells you when projects you follow ship a new version.

Developer tools · Developers

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A Mac app that gives programmers offline search across 200+ API doc sets, cheat sheets and their own code snippets.

Developer tools · Developers

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Replaces Git submodules by syncing folders in one repository with other repositories on the server side.

Since 2022

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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Gives AI assistants and agents authenticated access to over 1,500 apps so they can take actions, with a managed MCP gateway.

Pay as you go · Developer tools · Developers

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Open-source gateway that routes app requests to many LLM providers, with budgets, guardrails and logging.

Free · Developer tools · Developers

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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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Hosted service that runs your MCP servers behind a single URL, holds credentials and logs each tool call per client.

Since 2023

Free plan · Developer tools · Developers

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Gateway that sits in front of your LLM calls to log traces, track cost, run evals and strip personal data.

Free plan · Security and passwords · Developers

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Share iOS, Android and Windows test builds with testers and teammates, manage environments and collect early feedback.

Subscription · Developer tools · Agencies

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Test, debug and run evals on MCP servers across many AI clients, locally or in CI, for teams building them.

Since 2026

Free plan · Developer tools · Developers

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Shared SQL editor for data teams that stores common queries and sends scheduled results to Google Sheets or Slack.

Since 2026

Free trial · Developer tools · Developers

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Keeps an ML project's decisions, evidence and next steps in a brief that Claude, ChatGPT or Cursor can load and update.

Since 2026

Free plan · Developer tools · Developers

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A simple translation tool for app, site and game text, with AI translation, team roles and Git and Figma syncing.

Since 2025

Developer tools · Developers

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A hosted MCP server and REST API that gives Claude, ChatGPT or Cursor your Search Console data, SERPs and keyword volumes.

Since 2026

Free plan · SEO

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A hosted backend and SDK so developers can add LLM chat to client apps using their own provider keys, with no server code.

Since 2025

Developer tools · Developers

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For developers: pulls crash reports out of Sentry or PostHog, drafts a fix in your own GitHub Actions with your AI key, and opens a PR.

Since 2026

Free plan · Developer tools · Developers

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Hosted service that runs multi-step AI pipelines calling your own backend and streams progress to users.

Since 2026

Free plan · 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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An API and MCP server that returns local shows, markets and events as JSON, for developers building apps or AI agents.

Since 2026

Free plan · Developer tools · Developers

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A Windows app that runs several AI coding agents as planner, coders, tester and reviewer on a shared board you control.

Since 2026

Free · Developer tools · Developers

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Watches your app's Claude API calls and points out waste, such as repeated prompts or oversized models, with suggested fixes.

Since 2026

Uptime and monitoring · Developers

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Rents short-lived cloud Macs with Xcode to AI coding agents so developers can build and ship iOS apps without owning a Mac.

Since 2026

Pay as you go · Developer tools · Developers