No moat. Still in business.

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Draw system or process diagrams that viewers click through one step at a time, then share or embed them on any site.

Since 2026

Free plan · Design and images · Developers

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Hosted STUN and TURN servers across 12 regions so WebRTC calls and data get through firewalls and strict networks.

Free plan · Developer tools · Developers

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Shows Rails teams which requests are slow, flags N+1 queries and SQL timings, and tracks errors in one dashboard.

Free plan · Uptime and monitoring · Developers

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A feedback widget that grabs screenshots, DOM and console logs from users so your coding agent can fix the issue.

Since 2026

Free plan · Customer support · Developers

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Error tracking and product analytics that works with your current Sentry SDK and lets coding agents read issues to fix them.

Free plan · Uptime and monitoring · Developers

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AI reviews of pull requests that teams can run on their own servers for free or use hosted, bringing their own model API keys.

Subscription · Developer tools · Developers

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Web and desktop interface for browsing, troubleshooting, monitoring and governing Apache Kafka data streams.

Since 2023

Free plan · Uptime and monitoring · Developers

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API that finds the right HS or HTS customs code for a product in 35 countries, for shipping and trade software.

Subscription · Developer tools · Online sellers

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Creates secured REST APIs from existing databases so apps and AI tools can read data without direct database access.

Developer tools · Developers

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Schedules timed tasks, watches that your jobs and sites stay up, and checks email addresses, for apps on serverless hosts and AI agents.

Free plan · Uptime and monitoring · Developers

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Frontend teams can spin up hosted fake REST endpoints, import OpenAPI or Postman files, and fill responses with fake data.

Free plan · Developer tools · Developers

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An API and CLI that runs a browser agent to fill forms, scrape behind logins and do web tasks for you.

Since 2025

Developer tools · Developers

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A self-hosted web workspace for ClickHouse with a SQL editor, dashboards and cluster monitoring, for data teams.

Free plan · Developer tools · Developers

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

Free plan · Developer tools · Developers

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A single-binary self-service tool for teams to define ops workflows, require approvals and run them on remote machines.

Free · Developer tools · Developers

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An observability backend on ClickHouse that takes logs, metrics, traces and profiles and lets teams query them in Grafana.

Free plan · Uptime and monitoring · Developers

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A hosted graph backend that AI coding agents can query with typed JSON instead of SQL, reachable over MCP.

Since 2026

Free plan · Developer tools · Developers

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Crawls a website and gives AI agents an MCP endpoint, llms.txt and cited answers, plus stats on agent visits.

Free plan · SEO

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A light code hosting forge with repos, issues and pull requests that teams run on their own server.

Free · Developer tools · Developers

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API that searches nine free stock photo sites by meaning with a single key; all images can be used without crediting anyone.

Free plan · Design and images · Creators and writers

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Run FFmpeg commands in the cloud through an API to convert, trim, caption and watermark video without installing anything.

Free plan · Video and audio · Developers

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Collects automated test results from many frameworks and pipelines in one place, with manual checks and release sign-off.

Free plan · Developer tools · Developers

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Traces AI coding agent runs, spots where they fail and enforces rules that stop repeat failures as they happen.

Free plan · Uptime and monitoring · Developers

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Tracks machine learning experiments, metrics and model versions for ML teams, with an API compatible with Weights and Biases.

Free trial · Developer tools · Developers

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Generates commit text, pull request summaries, release notes and audit docs from code diffs so engineers spend less time writing.

Free trial · Developer tools · Developers

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An API that parses, splits and pulls structured data out of messy documents for software teams and AI agents.

Since 2026

Documents and e-signature · Developers

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Runs scheduled workflows written in YAML from one binary, with retries, logs and a web dashboard, for teams replacing cron.

Developer tools · Developers

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Add a widget to a staging site so reviewers can pin comments on any element, then turn them into tickets or fixes.

Developer tools · Agencies

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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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An API that converts HTML pages and URLs into PDF files for developers building apps.

Since 2015

Free plan · Documents and e-signature · Developers

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Caches GraphQL queries at the edge and adds usage metrics and abuse protection for teams running GraphQL APIs.

Since 2023

Free plan · Developer tools · Developers

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Login, passkeys, SMS and WhatsApp codes, SSO and user management for apps, run in their cloud or on your servers.

Free plan · Security and passwords · Developers

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API gateway that sits in front of ClickHouse to batch inserts, cache queries and stream live updates to apps.

Since 2026

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 credit-based API that returns Twitter/X profiles, tweets, followers, search results and trends for developers.

Pay as you go · Developer tools · Developers

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Lets a team's AI coding agents pass work to each other over MCP and pings a person in Slack when stuck.

Free plan · Developer tools · Developers

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An API that takes clean screenshots of any web page, with cookie banners removed and scheduled captures available.

Free plan · Developer tools · Developers

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Watches PHP apps in production for errors and slow code, and passes that data to your AI coding agent to help fix problems.

Free plan · Uptime and monitoring · Developers

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A catalogue of ready APIs for public websites, plus a builder to make your own, for AI agents and apps.

Free plan · Developer tools · Developers

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Developer API that tells you the location, time zone, network provider and VPN or proxy status of an IP address.

Free plan · Security and passwords · 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.

Subscription · Transactional email · Developers

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A vehicle data API for developers: decode VINs, look up plates, check stolen status, inspection records, values and mileage.

Free plan · Developer tools · Developers

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A REST API that drives real browsers and returns structured page data and diffs, for developers building AI agents.

Subscription · 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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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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Feature flags for software teams to roll out changes to chosen users, watch error rates and roll back bad releases.

Free plan · Developer tools · Developers

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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.

Free plan · Transactional email · Developers

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An API that checks email addresses for bad syntax, missing MX, disposable domains and catch-all inboxes.

Pay as you go · Email marketing · Developers