Balsamiq
Moqups
Invision
Axure
Proto.io
Zeplin
ProtoPie
Fluid UI
PDFMakerAPI
APITemplate.io
CraftMyPDF
PDF Generator API
PDFMakerAPI is a PDF template builder and PDF generation API. Instead of hard-coding documents or wrestling with HTML-to-PDF converters that break when your content changes, you design a reusable template once in a visual, no-code editor — placing text, tables, images, and dynamic fields exactly where you want them — then feed it data to produce a finished, editable PDF.
Generate a single document or thousands. Fill a template in yourself, share a link so anyone completes it in the browser as a fillable PDF form, send JSON to the REST API, trigger generation from no-code tools like Zapier, Make, and n8n, or create documents straight from AI agents like Claude and ChatGPT. Prefer to start from a prompt? Describe what you need and let Quill build it.
Teams use PDFMakerAPI for invoices, receipts, certificates, reports, and contracts — anything you'd otherwise rebuild by hand every time the data changes. Start building free with 100 PDFs a month.
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Based on our record, Balsamiq seems to be more popular. It has been mentiond 33 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Balsamiq is famously, deliberately low-fidelity. Everything looks like a napkin drawing, which is the point, because nobody argues about font choices when the mockup is gray boxes. - Source: dev.to / 5 months ago
Usually my own way of working is to use Balsamiq[0] to have a visual prototype to test out flows, Figma|Sketch for the UI specs, then to just code it. Kinda the same when drawing where you just doodle until you have a few workable ideas, iterate of these to judge colors and other things, and then commit to one for the final result. [0]: https://balsamiq.com/. - Source: Hacker News / over 1 year ago
You can still produce something useful even if you’re not a professional designer. For example, you can use a rapid wireframing tool like Balsamiq (my favorite) or Excalidraw. With such tools, you can sketch an idea quickly without spending time on minor visual details. Or, use a whiteboard or good old pencil and paper. Any sketch is better than nothing. - Source: dev.to / about 2 years ago
A few apps that are a joy to use: https://ia.net/writer for writing. https://usecontrast.com/ for checking contrast. https://sipapp.io/ for picking colors. https://nova.app/ for editing code. https://cleanshot.com/ for screenshots. https://getpixelsnap.com/ for measuring elements on screen. https://netnewswire.com/ for reading things via RSS. https://panic.com/transmit/ for file transfers. https://usefathom.com/... - Source: Hacker News / over 2 years ago
I think the best practical approach for designing UIs is to download (and buy) Balsamic[0] and use that to design UIs. Cut through the nonsense of colours and pixels in the first instance and just lay things out logically and simply. [0] https://balsamiq.com. - Source: Hacker News / over 2 years ago
Moqups - The most stunning HTML5 app for creating resolution-independent SVG mockups, wireframes & interactive prototypes for your next project
APITemplate.io - APITemplate.io allows you to auto-generate social images and PDF documents with a simple API or automation tools like Zapier & Airtable. No CSS/HTML required.
Invision - Prototyping and collaboration for design teams
CraftMyPDF - PDF generation API for developers who ship fast.
Axure - The most powerful way to plan, prototype and hand off to developers, all without code. Download a free trial and see why professionals choose Axure RP 9.
PDF Generator API - Generate PDF documents from templates and JSON data. Enable your users to create PDFs and manage document templates using a browser-based drag-and-drop editor!