No moat. Still in business.

0

Writers keep their past posts and notes in one library, draft social posts from it, and schedule them to X, LinkedIn and more.

Since 2021

Subscription · Marketing and social · Creators and writers

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Take notes tied to moments in YouTube videos, query the transcript and send your notes to Notion, Obsidian or Readwise.

Since 2020

Free plan · Notes and knowledge · Individuals and families

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Builds architecture diagrams and system maps from prompts, code, cloud setups or docs, aimed at engineering teams.

Since 2021

Free plan · Design and images · Developers

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An email app with an AI assistant that sorts your inbox, drafts replies in your style and finds answers in old mail.

Since 2022

Free plan · Focus and productivity

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Sends website form entries to your inbox, Slack or Google Sheets, blocks spam and warns you if a form stops getting entries.

Free plan · Forms and surveys

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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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Keeps pull request discussions in sync across GitHub, Slack and VS Code so dev teams and AI agents review code faster.

Free plan · Developer tools · Developers

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Publishes static sites by drag and drop or through an AI agent, with custom domains, HTTPS and one-click version restore.

Free plan · Website builders · Individuals and families

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Lets writers draft newsletters in Notion, then send them, track opens and manage subscriber lists.

Since 2023

Free plan · Newsletters · Creators and writers

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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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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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Upload your notes or slides and get a finished online course with a sales page and Stripe checkout, for creators.

Since 2024

Free plan · Courses and learning · Creators and writers

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A browser note editor for science and maths students with quick equation entry, chemical structures and graphs.

Since 2024

Notes and knowledge · Individuals and families

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A Chrome extension that records you doing a task and turns it into a written how-to guide with screenshots and video.

Free · Notes and knowledge

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Converts an uploaded video, a recording or a YouTube link into text you can publish as an article, blog entry or social post.

Since 2024

Marketing and social · Agencies

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Search and download SVG and PNG icons from hundreds of open icon sets in one place, also from Chrome or VS Code.

Design and images · Creators and writers

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Send your own HTML form to a hosted endpoint that stores entries, holds back spam and forwards them to email or other tools.

Forms and surveys · Agencies

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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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AI agent that writes code inside VS Code, JetBrains, the terminal or browser, open source, with hundreds of models at no markup.

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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An AI assistant that picks up missed calls, filters spam and phones businesses for you to book or wait on hold.

Since 2024

Subscription · Focus and productivity · Individuals and families

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Desktop scratchpad that runs JavaScript as you type, with Node, browser APIs and npm packages, for developers testing ideas.

Since 2024

Free plan · Developer tools · Developers

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A snippet library for developers and teams to save, label and share code, with plugins for editors, browsers and Slack.

Developer tools · Developers

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Mac app that runs your own AI prompts on selected text, screenshots or voice from any app by keyboard shortcut.

Since 2023

One-off payment · Focus and productivity · Individuals and families

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Puts Notion pages on any website as live embeds, with styling, password locks and email-based access limits.

Free plan · Website builders

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Searches your company's Slack, Drive, GitHub and other tools by permission and answers questions with links to the source.

Notes and knowledge

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VS Code extension where an AI agent takes a bug description, edits a copy of your JS or TS repo and tests the fix.

Developer tools · 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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Checks code written by AI coding agents for security flaws and team standards, in pull requests and inside the editor.

Free plan · Security and passwords · Developers

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Free open source desktop tool that plots millions of table rows visually so analysts can spot outliers and odd patterns.

Since 2024

Free · Data and spreadsheets

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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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An open-source AI coding agent that plans and makes code changes, used from your editor, a desktop app or the terminal.

Developer tools · Developers

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Gives static website forms a hosted endpoint that stores submissions, filters spam and sends alerts to email, Slack or Discord.

Forms and surveys · 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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Turns blog posts, links, RSS feeds, videos and docs into EPUB or PDF ebooks you can send to a Kindle.

Since 2024

Documents and e-signature · Individuals and families

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Open source AI helper for coding in VS Code and JetBrains, offering chat, edits, autocomplete and agent tasks.

Since 2023

Developer tools · Developers

0

Chrome extension that saves your ChatGPT, Claude, Gemini and other chatbot chats as Markdown, PDF, Notion pages or Obsidian notes.

Since 2026

Free plan · Notes and knowledge · Individuals and families

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A spreadsheet that pulls in data from databases and business apps so you can analyse it by asking questions.

Since 2025

Free plan · Data and spreadsheets

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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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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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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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Records program execution so developers can replay and step back through bugs in the IDE, CI and code review.

Since 2025

Free plan · 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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Add paid memberships, gated content, courses and a forum to your existing website builder site.

Communities and memberships · Creators and writers

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Self hosted tool for people who want their European bank transactions copied into Airtable, Google Sheets, Notion, Actual Budget or CSV.

Since 2026

One-off payment · Automation and integrations · Individuals and families

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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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Local Mac and Windows tool to list, test and switch the MCP servers configured in Codex, VS Code, Cursor and Claude.

Free · Developer tools · Developers