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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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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Desktop app for Mac and Windows that stores your SVG icon sets, searches open icon libraries offline and exports them as code.

Free trial · Design and images · 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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Open-source builder for AI phone agents that take and make calls, run on your servers or in their cloud.

Customer support

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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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A desktop app that sends one prompt to ChatGPT, Gemini and Claude at once and shows the answers side by side.

Free · Focus and productivity · Individuals and families

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API that fetches Google results and answers from ChatGPT, Gemini and others as clean data, for SEO tracking.

Since 2025

Subscription · SEO · Agencies

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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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Chat with Claude on a canvas where any reply can be forked into its own branch and compared side by side.

Since 2026

Free plan · Notes and knowledge · Individuals and families

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A hosted LLM gateway that meters usage, caps spend and gives your customers a branded billing portal, for teams selling AI products.

Since 2026

Invoicing and billing · Developers

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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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Tracks token use and spend across AI coding tools like Claude Code and Cursor, broken down by model, project and pull request.

Free · Developer tools · 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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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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Run Claude, Codex, Gemini and other coding agents from desktop or phone with encrypted sync, on your existing subscriptions.

Free · 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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Chrome extension that checks what you paste into AI chat sites and warns or blocks when it spots passwords, keys or personal data.

Since 2026

Free · 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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Shows engineering leaders how much their team uses AI models, what it costs and who is getting value from it.

Since 2026

Subscription · Developer tools · Developers

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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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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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Self-hosted on-call paging that pulls commits, logs and metrics when an alert fires and explains the likely cause.

Free · Uptime and monitoring · Developers

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Open-source desktop app that runs Claude Code, Codex and Cursor agents in parallel, each with its own worktree and shared specs.

Since 2025

Free plan · 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

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A phone and tablet SSH app for developers to resume tmux sessions, browse remote files and start coding agents with a tap.

Since 2026

Free plan · Developer tools · Developers

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A Mac menu bar app that shows usage limits, credits, costs and reset times for the AI coding tools a developer pays for.

Free · Developer tools · 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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Mac app for developers to run, watch and coordinate several AI coding agents side by side with a task board.

Free · Developer tools · Developers

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Lets coding agents across a team claim files, message each other and hand off work so they stop clashing.

Since 2026

Free plan · Developer tools · Developers

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A shared board of links, notes and briefs that teammates and AI chat tools can all read as project context.

Since 2026

Free plan · Notes and knowledge · 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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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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A shared task board over MCP where Claude Code and Gemini agents hand you approvals and questions, and you send work back.

Since 2026

Free plan · Projects and tasks · Developers

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

Since 2026

Free plan · Uptime and monitoring · Developers

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Watches your AI agent's real traffic, finds where it fails customers and opens tested pull requests with fixes.

Since 2026

Subscription · Uptime and monitoring · 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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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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Records each model and tool call an AI agent makes so developers can rerun failures, branch from a step and test fixes.

Since 2026

Free plan · Developer tools · Developers

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Live shared boards where a team works alongside coding agents like Claude Code and Codex, and trains reusable AI teammates.

Since 2025

Developer tools · Developers

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Gives AI agents email inboxes of their own to get mail, reply and keep files, with spam filtering, via API, MCP or CLI.

Free plan · Developer tools · Developers

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An API you call before your LLM that shortens prompts and responses to cut token spend while keeping code and numbers intact.

Since 2026

Free plan · Developer tools · Developers

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One API key and endpoint for calling many video, image, music, speech and language models, paid per use.

Since 2026

Pay as you go · 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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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