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Developer Tools

1. BadgeFlow

BadgeFlow is a web-based name badge generator for events. Organisers can import attendee data from Excel, Google Sheets, CSV, or exports from event platforms such as Eventbrite, Cvent, Bizzabo, and similar tools; choose from multiple templates; add logos, attendee photos, QR codes, and barcodes; adjust colours and fonts; then export a print-ready PDF in minutes. BadgeFlow supports any badge and paper sizes, any standard printer, and Avery-compatible badge layouts, making it easier to print on popular badge insert sheets. Unlike Word mail merge or complex badge software, BadgeFlow is purpose-built for event badges: it helps teams create, revise, and print hundreds or thousands of badges quickly, even when attendee lists change at the last minute. It is ideal for conferences, trade shows, corporate trainings, workshops, networking events, school and university events, weddings, and community gatherings.

Developer Tools

2. Pterocos

With our online HTML editor, you can edit HTML, CSS and JavaScript code, and view the result in your browser and you can use AI for free.

Developer Tools Open Source UI/UX

3. Stack Interview

The complete technical interview platform: 1,000+ curated questions, 215+ DSA problems with live execution, and AI mock interviews that score you in real time Stack Interview is a free, complete technical interview prep platform - study 1,000+ full-stack questions, solve 215+ DSA problems with live code execution, and run AI mock interviews that score every answer by voice.

Developer Tools Education Tech Productivity