heynote.com

What It Is

Heynote is a dedicated developer scratchpad. It is not a full-fledged knowledge base, but rather a persistent large text buffer that organizes content into multiple blocks. You can use it to draft Slack messages, paste JSON returned by APIs, take meeting notes, manage daily todos, or save code snippets. Each buffer corresponds to a file on disk and is stored locally by default.

Core Features

Its main highlight is block-based editing: creating blocks, splitting blocks, selecting a single block, folding, and jumping between blocks are all supported with keyboard shortcuts. Each block can have its own language mode, with syntax highlighting for JavaScript, TypeScript, JSON, Markdown, Python, Go, Rust, SQL, Shell, Vue, YAML, and more. It can also automatically format JSON, JavaScript, HTML, CSS, and Markdown. Math blocks work as a calculation scratchpad, supporting variables, functions, unit conversion, and currency conversion. For images, Heynote supports pasting or dragging inline images, resizing them, copying them back to the clipboard, and adding lightweight hand-drawn annotations.

Pricing and Deployment

The captured text does not provide information about pricing, paid plans, or payment methods. The product offers downloads for Mac, Windows, and Linux, including formats such as AppImage and Snap. It is a local desktop application; the notes library is stored in the system application data directory by default, though the path can be changed. The text does not mention server-side self-hosting, an API, or an SDK. Syncing can be done via file-sync services such as Dropbox and OneDrive, but using a network drive is not recommended.

Pros and Cons

Its strengths are a clear focus and instant usability, especially for developers handling temporary code, JSON, and calculation tasks. Local file storage also makes backup and syncing straightforward. Shortcuts, custom keybindings, multi-cursor editing, light/dark themes, and a global hotkey make it feel like a lightweight combination of a code editor and a notes app. The downsides are that its sync logic is relatively simple, so simultaneous editing across multiple devices may cause conflicts; the Windows build is unsigned; and global shortcuts have limitations under Linux Wayland. The text also does not clarify its open-source status or commercial support.

Who It’s For and Access from China

Heynote is well suited to developers, SREs, data professionals, and technical product people who frequently switch between IDEs, browsers, and chat tools. If you need team collaboration, mobile apps, or a cloud-based knowledge base, Notion, Obsidian, Joplin, or temporary files in VS Code may be better choices. Connectivity and download availability from mainland China are not specified in the text, and payment information is also missing, so this remains unknown.