Added Jun 29, 2026

M

A collection of 15 open-source web apps built with AI in 30 days.
AI WritingContent GenerationResearchEmail WritingSummarizationRewritingAcademic ResearchBrowser Extension

Overview
What is M?

Makr.io is a collection of 15 web apps built by one person in just 30 days using Claude.ai & ChatGPT. Each app tackles a unique problem and is fully open-source, inviting you to explore, adapt, or build upon them. It showcases what one person & AI can create together, offering a range of utility apps, web tools, and productivity solutions.

A collection of 15 open-source web apps built with AI in 30 days.

Core Features
Collection of 15 diverse web applications
Open-source code for all apps
Built with AI assistance (Claude.ai & ChatGPT)
Variety of utility, web tool, and productivity apps
Popular Use Cases
  • Convert SVG files to PNG
  • Preview HTML emails
  • Read top RSS feeds
  • Check DMARC records
  • Analyze email headers
  • Test email subject lines
  • Browse inspirational quotes
  • Explore and compare countries
  • Pick and explore colors
  • Create and share reading lists
  • Use a Pomodoro timer
  • Create an agenda with a built-in timer and export to PDF
How to use
  • Visit the Makr.io website and explore the available web apps. Each app has its own dedicated page with a 'Visit Site' button to access the tool and a 'GitHub' button to view the source code. Use the apps directly on their respective sites.
Pricing
M uses a Freemium pricing model. Pricing and features may change over time.
Free
$0
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Pro
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Team
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Enterprise
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Deal / Coupon
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Frequently Asked Questions

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Verification
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Related Tags
AI WritingContent GenerationResearchEmail WritingSummarizationRewritingAcademic ResearchBrowser ExtensionFreemium
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