Project ideas from Hacker News discussions.

Ask HN: What Are You Working On? (April 2026)

📝 Discussion Summary (Click to expand)

7 Key Themes from Hacker News "What Are You Working On" Thread

1. AI-Powered Development Tools

Developers are creating specialized tools to enhance AI-assisted coding workflows. Examples include: - "Caliper" - a system for multiple layers of code quality checks throughout the development cycle - "Helm" - a terminal-first setup for managing multiple AI agent sessions - "RunOnce" - a Windows tool for one-off script scenarios using AI - "crit" - a CLI tool for reviewing AI coding agent output

2. Privacy-Focused and Offline Applications

A significant trend toward building applications that respect user privacy: - "Railraptor" - an offline train journey planner for UK rail - "Photogenesis" - an iOS app applying generative art effects to photos, fully offline - "Ayla" - a period tracking app with all data stored locally on-device - "Still Kicking" - a motion monitoring system for elderly care using mmWave sensors

3. Niche Market Solutions

Developers targeting specific underserved markets: - "Trophle" - an ecology cascade game for educational purposes - "MatGoat" - software for managing BJJ and martial arts academies - "Anyinspect" - inspection software for industries with poor pre-2010 software - "Hivemunk" - hive management for beekeepers

4. Open Source Infrastructure Projects

Emphasis on building foundational tools: - "Shoggoth.db" - a self-organizing database for agent experimentation - "LOOM" - a container control plane inspired by Nextcloud AIO - "StageX" - a FOSS multi-party reviewed/built/signed Linux distribution - "Copper-rs" - a Rust-first robotics runtime and operating system

5. Personal Productivity and Habit Tracking

Tools for self-improvement and organization: - "Pact" - a shared habit tracker with social accountability - "DailySelfTrack" - a customizable combination of habit tracker, health journal, and diary - "Reflect" - an iOS app for tracking and analyzing life habits - "Eima" - combines Todo List and Calendar for scheduling tasks

6. Educational and Learning Tools

Applications focused on knowledge acquisition: - "StudyEngine" - a platform for generating quizzes and flashcards from uploaded materials - "LettersPractice" - a minimalist early literacy app - "Lexaway" - a pixel-art language learning game - "Originary" - a system for signed interaction records in educational contexts

7. Creative and Entertainment Applications

Tools for artistic expression and leisure: - "Photogenesis" - generative art effects for photos - "Tiled Words" - a daily word puzzle game - "MotionParty" - games controlled by waving in front of a camera - "Channelsurfer.tv" - YouTube channels as 2000s cable TV


🚀 Project Ideas

PatchScout

Summary

  • Detects likely vulnerability patches in Git commit ranges before CVE publication using a staged LLM pipeline.
  • Provides early warning to security teams, enabling proactive mitigation.
  • Core value: Prevent silent exposure of security fixes while still surfacing them early.

Details

Key Value
Target Audience Security engineers, DevSecOps teams, open‑source maintainers
Core Feature Staged LLM analysis of commit ranges to flag vulnerability‑introducing changes
Tech Stack Python, GPT‑4 API, GitPython, Redis cache
Difficulty Medium
Monetization Revenue-ready: subscription per repository

Notes

  • Directly addresses VCamper’s need to keep security fixes quiet while still surfacing them early.

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