No moat. Still in business.

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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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A simple self-hosted wiki that stores markdown pages in git, with file attachments and full page history.

Free · Notes and knowledge

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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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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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Hosted Beancount books kept in Git, with bank imports and receipt inboxes, for people and small businesses tracking money.

Since 2022

Bookkeeping and accounting · Individuals and families

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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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Click elements in a running React app to change layout, styles and text, with edits written back to your source.

Since 2025

Free plan · Design and images · 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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Markdown document editor where teams and AI agents like Claude and ChatGPT write together live, with presentations and blog publishing.

Since 2026

Free plan · Documents and e-signature · Developers

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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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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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Build multi-step forms and surveys from short code or markup, with a WordPress plugin and Google Sheets saving.

Since 2025

Free plan · Forms and surveys · Developers

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WebSocket server for app developers that keeps realtime messages ordered and recovers them after dropped connections.

Free · 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

0

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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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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A VS Code based editor that runs several coding agents at once, each in its own Git worktree, so you can review their work.

Since 2026

Developer tools · Developers

0

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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Drop in papers, notes and transcripts and an AI agent files them into a cited, linked markdown wiki you keep.

Since 2026

Notes and knowledge · Individuals and families

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Hosted git and Mercurial repos, CI builds, bug trackers and mailing lists for software projects, with no tracking.

Subscription · Developer tools · 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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Shows where and how React components are used across your repos, so design system teams can track adoption.

Since 2025

Developer tools · Developers

0

Offline Windows app for developers that gathers .http and .rest request files from their projects and lets them run and check each call.

Since 2026

One-off payment · Developer tools · Developers

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An offline desktop app for designing, testing and documenting APIs as Markdown files kept in your Git repo.

Since 2025

Developer tools · Developers

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An AI agent turns your notes into investor and board decks built as web code and hosted on your own domain.

Since 2026

Documents and e-signature · Software companies

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A shared Markdown editor where teams and coding agents write documents and build small internal tools stored in git.

Developer tools · Developers

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Website chat widget that sends visitor messages to Telegram, Slack or Discord so small teams can answer from their phones.

Since 2026

Free plan · Customer support

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

Since 2025

Free trial · 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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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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Git hosting with issues, pull requests and code review that promises never to train AI on your code.

Since 2026

Free plan · Developer tools · Developers

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Build animated slides and hero sections visually, then export them as code, video, PDF or an embed.

Since 2025

Subscription · Design and images · Agencies

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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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AI tool that creates app screens for phone, web and desktop from a prompt or Figma import, with React or Figma export.

Since 2026

Free plan · Design and images · Agencies

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Type a prompt and get an animated icon to download as WebM, sprites or a React component, paid with credits.

Since 2025

Pay as you go · Design and images · Agencies

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Gives each local dev server or container a stable domain so developers avoid port clashes, with paid tunnels to LAN and the internet.

Since 2026

Free plan · Developer tools · Developers

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A desktop workspace where an AI agent helps hardware makers read datasheets, lay out KiCad boards and write firmware.

Since 2025

Free plan · Developer tools · Developers

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Server you install yourself to host Git, Mercurial and Subversion repos, with access permissions and plugins for development teams.

Free · 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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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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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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Offline API testing app that saves requests as .http files you can keep in Git, and imports Postman collections.

Since 2025

Free · Developer tools · Developers

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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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Lets developers drive coding agents, a terminal, files and local web apps on their own machine from a phone.

Since 2026

Developer tools · Developers

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A small widget that lets users of your app or site report issues and ideas, with screenshots, sent to email and a dashboard.

Free plan · Forms and surveys · Developers

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Review tool where teams comment on and approve code changes, documents and design files, hosted or on their own servers.

Free · Developer tools · Developers

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Issue tracker and wiki for software teams that links tickets, commits and docs, with Git and Subversion browsing.

Free · Projects and tasks · Developers

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Free browser app for building and editing a family tree without an account, saving it as a standard GEDCOM file.

Free · Family and parenting · Individuals and families