phi-thread — Answer Router

About

Stop searching the same question across 5 tabs. phi-thread searches Stack Overflow, Reddit, Hacker News, GitHub, and the web simultaneously — and deep-links to the EXACT answer, not just the question page.                                                           
 
How it works:                                                                                                                                                           
• Google sidebar — search anything on Google, phi-thread shows answers from other platforms right alongside 
• Platform panels — on a Stack Overflow question? See what Reddit and HN say. On Reddit? See the SO accepted answer
• Popup search — click the icon, type any dev question, get ranked results instantly
 
Thread math: every answer on every platform has a permanent coordinate. phi-thread links to stackoverflow.com/a/38716397 (the accepted answer), not /questions/38715934  (the question page). 
                                                                                                                                                                        
Features:                                                                                                                                                             
• Searches SO, Reddit, HN, GitHub, and DuckDuckGo in parallel
• Deep-links to accepted answers, top comments, exact HN comments                                                                                                       
• Self-building keyword index — gets smarter with every search
• 24-hour cache — repeated queries are instant                                                                                                                          
• Zero API keys needed