Corey Haines

Corey Haines

Marketer → Developer → Founder. Marketing for top SaaS companies, bootstrapping my own SaaS products, and open-sourcing my skills along the way.

GitHub 27 repos 3.5k followers

Explained projects

The Zero-Baggage Frontend: Unpacking keeper-demo
The Zero-Baggage Frontend: Unpacking keeper-demo
How a skeletal Next.js repository reveals the silent death of the JavaScript configuration file.
5 min read · Apr 5, 2026
 citycontacts: The AI-Optimized SaaS Monolith
citycontacts: The AI-Optimized SaaS Monolith
How a Rails 8 boilerplate uses embedded rules and a custom CLI to turn Claude and Cursor into your founding engineering team.
6 min read · Apr 4, 2026
 Teaching Agents to Build Your SaaS: Inside Cornerstone
Teaching Agents to Build Your SaaS: Inside Cornerstone
How a modular Rails 8 foundation uses explicit LLM instructions and swappable provider adapters to end the era of "clone and forget" boilerplates.
7 min read · Apr 4, 2026
 marketingskills: Compiling Strategy into the Development Loop
marketingskills: Compiling Strategy into the Development Loop
How a modular library of "Agent Skills" is turning technical IDEs into autonomous growth departments.
· Mar 26, 2026

Yet to be explained

makerskills
AI agent skills for the personal operator's craft — decisions, research, second-brain, content rotation, scenario modeling, and meta-skills to author more. Works with Claude Code, Codex, Cursor.
844 stars
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endpointforms
Open-source form builder that optimizes for revenue, not submissions. Split tests scored on closed pipeline, and every form publishes an agent-callable endpoint.
TypeScript11 stars
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coreyhaines31
GitHub profile README
5 stars
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spare
Free macOS menu bar monitor for apps, projects, and AI agents
Swift3 stars
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midnightoil
Keep your Mac awake. An open-source, actively maintained replacement for Amphetamine.
HTML3 stars
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wifiorisp
Is your slow internet your Wi-Fi or your ISP? A free, source-available macOS menu bar app that tells you.
HTML1 stars
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diskforecast
Free macOS menu bar app that forecasts when your disk fills up, explains System Data, and reclaims space safely (to the Trash). A free alternative to DiskBuddy, DaisyDisk, and CleanMyMac.
HTML0 stars
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onhand
Free, open-source clipboard manager for macOS. Keep copied text, links, and images close at hand.
Swift0 stars
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invoicecommand
Free, open-source invoicing: live preview, voice dictation, PDF export, e-signatures, and Stripe payments
TypeScript0 stars
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testdummy
Chrome extension that fills forms with test data on local and staging sites
JavaScript0 stars
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homebrew-tap
Homebrew casks for Corey Haines' apps
Ruby0 stars
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