No moat. Still in business.

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Cloud service for deploying, updating and monitoring fleets of Linux IoT devices using containers.

Since 2020

Free plan · Developer tools · Developers

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CAPTCHA and bot blocking that stops scrapers, fake signups and account takeover on forms, APIs and full sites, explaining each block.

Free plan · Security and passwords

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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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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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A free knowledge base you run on your own server to publish help articles sorted into nested categories.

Free · Customer support

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An API that returns a company logo for any domain from a CDN, with a React component and domain locked keys.

Free plan · Design and images · Developers

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An open-source catalog you host yourself so teams can search, preview, map and serve their geospatial datasets.

Since 2026

Free · Data and spreadsheets

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A blog CMS that publishes on a subdomain, your own domain or a subfolder, or feeds your site via API.

Website builders · Creators and writers

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Scans your app code to list every feature, then shows which ones users never touch or are fading, for SaaS teams.

Since 2026

Free plan · Website analytics · Software companies

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Keeps service records, fuel economy, costs and maintenance reminders for each of your vehicles, on your own server.

Free · Home and car · Individuals and families

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A hosted form backend for React and Next.js sites that sends each form submission to your inbox with no server code.

Since 2024

Free plan · Forms and surveys · Developers

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A server you run yourself that resizes and converts images on the fly from URL options, for web teams.

Since 2019

Free · Developer tools · Developers

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Self-hosted identity provider that gives an organisation single sign-on and login flows across its apps, with APIs and templates.

Security and passwords

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Runs scheduled and batch container jobs on any cloud or your own servers, with an API, logs and cost controls.

Free plan · Developer tools · Developers

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Self-hostable platform for deploying apps and databases across your own servers, with backups and user roles.

Free trial · Developer tools · Developers

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Deploys Docker Compose apps from GitHub to your own Linux servers on each push, with domains, logs and backups.

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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Alerts you when a cron job, worker or container stops checking in, and attaches its last log lines to the alert.

Since 2026

Free plan · Uptime and monitoring · Developers

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Translates the text in your app, docs and website into many languages, with a CLI, API and review tools.

Since 2025

Developer tools · Developers

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Feature flags and remote settings service you host yourself, letting teams change app behaviour without shipping an update.

Free · Developer tools · Developers

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Turns prompts into editable Python for mesh modelling, simulation setup and 3D printing, with shareable 3D results.

Since 2025

Free plan · Design and images · Manufacturing

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Open source support chat and inbox for apps built with React or Next.js, where an AI agent handles routine questions and staff step in.

Customer support · Developers

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Maps which repos rely on shared base images, Terraform modules and Helm charts, so you can see what a change will break.

Since 2026

Free plan · Developer tools · Developers

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Logs every LLM call with cost, latency and agent traces once you change one base URL; hosted or self-hosted.

Free plan · Uptime and monitoring · Developers

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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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Real-time US stock, ETF and options data through an API or Google Sheets formulas, for traders and developers.

Free plan · Data and spreadsheets · Individuals and families

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Hosted Firecracker sandboxes for coding agents that pause with their memory kept and bill by the minute.

Since 2026

Subscription · Developer tools · Developers

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Hosts Docker containers on AWS with automatic builds, SSL and domains, plus a free tier and GPU options.

Free plan · Developer tools · Developers

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A light S3-compatible storage server you run yourself, with a web dashboard, replication and encryption built in.

Since 2026

Free · Developer tools · Developers

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Adds uploads, image resizing and typed SDKs on top of the Cloudflare R2 bucket you already have, without bandwidth fees.

Since 2025

Free plan · 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.

Since 2026

Developer tools · Agencies

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A backend for map and location apps: import spatial files into PostGIS and get SQL, realtime and OGC APIs, hosted or self-run.

Since 2025

Developer tools · Developers

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Send files from the terminal and get a share link, with end-to-end encryption and no account needed to download.

Since 2026

Free plan · Developer tools · Developers

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An API that adds login, SSO and fine-grained permissions to the software you build.

Security and passwords · Developers

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Removes image backgrounds through a hosted API billed per image, a paid self-host model, or a free open model you run yourself.

Since 2026

Free plan · Design and images · Online sellers

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Drop-in React widgets that collect bug reports with screenshots and recordings, ratings and referral links from app users.

Since 2025

Free plan · Customer support · Developers

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A white-label photo editor that software teams embed in their app or site, with a REST API for batch edits.

Free plan · Design and images · Developers

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Cheap cloud sandboxes that host AI agent harnesses and background jobs for developers, billed by the minute.

Since 2025

Pay as you go · Developer tools · Developers

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Translate React, Next.js, Expo and Python apps at runtime with AI, with no translation files and no redeploys.

Free plan · Developer tools · Developers

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Monitors Linux and Windows servers, network devices, websites and cron jobs from one dashboard using a small agent.

Subscription · Uptime and monitoring · Agencies

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An app hosting platform where you buy a fixed compute plan and run as many apps, databases and workers as fit in it.

Since 2026

Free plan · Developer tools · Developers

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Stores, resizes, converts and serves images and video from your own bucket, as a Cloudinary replacement.

Free plan · Design and images · Developers

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Open-source uptime monitor you run yourself, checking sites, ports, DNS and SSL, with status pages and alerts.

Since 2025

Free · Uptime and monitoring · Developers

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A self-hosted scheduler that runs cron jobs across a cluster of servers, with a dashboard and API.

Since 2016

Free · Developer tools · Developers

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Generates realistic fake datasets in CSV, JSON, SQL or Excel and hosts mock APIs so developers can test apps.

Free plan · Developer tools · Developers

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Self-hosted tool for managing and connecting to your servers over SSH and remote desktop from browser, desktop or phone.

Developer tools · Developers