PinAI - AI Knowledge Library
Save, organize, re-use your best AI outputs across platforms
PinAI - AI Knowledge Library launched on March 28, 2026 with 4 votes, #2,516 of 23,380 launches that month and more than 75% of that year's launches.
What it does
AI conversations produce great outputs that vanish into scroll history. PinAI fixes this. Click the pin icon on any AI response in Claude, ChatGPT, or Gemini to save it to a project board. Add notes about why you saved it. Add action items for what to do next. Then re-inject saved outputs into new conversations as context. Free, open source, and 100% local — your data never leaves your device. No accounts, no cloud, no tracking.
Does a similar job
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YourAIScroll2025 · youraiscroll.com · ▲116Export and manage your AI chat history from Grok, Deepseek, Gemini and more. Save conversations including ChatGPT Canvas, Claude Artifacts.
Bindly2016 · bind.ly · ▲76Hi HN, I’m a product designer by background, not a traditional software engineer. Over the last year, tools like Claude and ChatGPT completely changed how I work. I started with small internal tools, and now I’m “vibe coding” multiple highly personalized apps. As I iterated between Claude Code (implementation) and ChatGPT (ideation / thinking), I kept running into the same problem. To think clearly, I had to repeatedly re-explain: - what the code currently does, - what changed recently, - and why certain decisions were made. That re-summarization step became a real bottleneck. So I…
Retain – A unified knowledge base for all your AI coding conversationsJan 2026 · github.com · ▲45Hey HN! I built Retain as the evolution of claude-reflect (github.com/BayramAnnakov/claude-reflect). The original problem: I use Claude Code/Codex daily for coding, plus claude.ai and ChatGPT occasionally. Every conversation contains decisions, corrections, and patterns I forget existed weeks later. I kept re-explaining the same preferences. claude-reflect was a CLI tool that extracted learnings from Claude Code sessions. Retain takes this further with a native macOS app that: - Aggregates conversations from Claude Code, claude.ai, ChatGPT, and Codex CLI - Instant full-text…
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Source: Product Hunt launch ↗
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