Project ideas from Hacker News discussions.

Ask HN: What are you working on? (January 2026)

๐Ÿ“ Discussion Summary (Click to expand)

1. AI/LLM Agents and Tools

Numerous projects leverage LLMs for agents, recommendations, and automation.
"Built my own Spotify recommendation engine after getting tired of Spotifyโ€™s repetitive recommendations." - vulkoingim
"Working on SIP4AI [1] (a VOIP soft-phone where AI is on the other end, not a human)." - schappim

2. Developer Productivity Tools

Tools for coding, debugging, monitoring, and workflows dominate.
"I'm building AgentOS [1], trying to experiment where agent substrates/sandboxes will head next." - lukebuehler
"A Gradle plugin that makes developing Java modules-based libraries super easy." - burnerToBetOut

3. Games and Puzzles

Browser-based games, puzzles, and interactive experiences are common.
"Puzzleship - a free daily puzzles website with the archives paywalled." - slig
"First game is https://geocentric.top where users can sculpt a planet collaboratively." - halftheopposite

4. Personal Trackers and Apps

Apps for tracking habits, finances, health, and media consumption.
"The easiest and simplest calorie counter https://www.journable.com/." - geoelkh
"A little desktop app that lets me upload transaction csvs from my bank and figure out how much I need to split with my partner." - jlamberts

5. Open-Source Libraries and Infra

Self-hosted tools, databases, and infrastructure projects.
"Made a simple anonymous feedback app - https://feedbackok.com/." - kgthegreat
"Building a 3 node Talos cluster from older Dell Optiplex systems." - jftuga


๐Ÿš€ Project Ideas

Developer Blog Aggregator with Advanced Filtering

Summary

  • [A focused aggregator for developer blog posts, filtering out non-blog tech content like news and GitHub projects.]
  • [Provides advanced filtering capabilities to help developers find high-quality, personal technical articles.]

Details

Key Value
Target Audience Developers who want to read personal technical blogs, not news or project links.
Core Feature Curated aggregation with advanced filtering by topic, tech stack, and content type.
Tech Stack Modern web framework (e.g., Next.js, SvelteKit), PostgreSQL/Redis for aggregation, Node.js for scraping.
Difficulty Medium
Monetization Revenue-ready: Freemium model with premium features like ad-free browsing, personalized feeds, and newsletter subscription.

Notes

  • HN commenter lucasfdacunha is building this, and martianlantern's response highlights a potential niche: a more focused alternative to HN's broad tech aggregator. This directly addresses the desire for a developer-centric reading experience.
  • Practical utility is high for developers seeking quality technical content without the noise of a general tech aggregator. Discussion potential lies in curating sources and community-driven recommendations.

Modern USCIS Form Filler

Summary

  • [A web-based tool to fill USCIS forms, replacing XFA PDFs with browser-friendly forms and generating filled PDFs.]
  • [Solves the pain point of Adobe dependency and form-filling errors in official government forms.]

Details

Key Value
Target Audience Immigrants, visa applicants, and legal professionals dealing with USCIS forms.
Core Feature Interactive web forms that mirror official PDF fields, with 1:1 output generation.
Tech Stack React/Vue for frontend, Node.js/Go for backend, PDF generation library (e.g., PDFKit).
Difficulty Medium
Monetization Revenue-ready: Free for basic use, premium for advanced features (e.g., auto-save, multiple form types).

Notes

  • HN commenter junaid_97 solved a real frustration: XFA PDFs are notoriously broken. anishgupta's praise confirms the pain point.
  • This has broad appeal to a specific, underserved audience. Discussion around open-sourcing or expanding to other government forms could drive engagement.

Gradle Plugin for Java Modules Development

Summary

  • [A Gradle plugin that simplifies development of Java modules-based libraries, reducing boilerplate and configuration overhead.]
  • [Streamlines the Java Platform Module System (JPMS) workflow for library developers.]

Details

Key Value
Target Audience Java developers working on libraries or modular applications.
Core Feature Automates module-info.java generation, dependency management, and cross-module testing.
Tech Stack Java, Gradle API, Kotlin (for Gradle DSL).
Difficulty Medium
Monetization Hobby (open-source project).

Notes

  • HN commenter burnerToBetOut is directly addressing a Java developer pain point. The lack of enthusiasm in the thread suggests it's a niche but valuable tool.
  • Practical utility is high for a specific subset of Java developers. Could spark discussion on Java modularity best practices.

AI-Powered Proactive Time Tracker

Summary

  • [An AI time tracker that actively watches your screen and suggests time entries, with a proactive agent (Don) that pops up for reminders.]
  • [Solves the manual effort and forgetfulness of traditional time tracking.]

Details

Key Value
Target Audience Freelancers, remote workers, and consultants who bill by time.
Core Feature Screen monitoring with AI analysis, proactive reminders, and email integration.
Tech Stack Electron for desktop app, Python/TensorFlow for AI, OAuth for email integration.
Difficulty High
Monetization Revenue-ready: Subscription model (e.g., $10/month) for AI features and data storage.

Notes

  • HN commenter revivalizer expressed privacy concerns, which is a key discussion point for any screen-monitoring tool. christoph123's response addresses this but highlights the need for trust.
  • This could spark debate on privacy vs. productivity in AI tools. Practical utility is high for time-billing professionals, but adoption depends on trust.

Natural-Looking iOS Camera App

Summary

  • [An iOS camera app that minimizes post-processing, aiming to capture photos that look like what you see with reduced HDR and artificial sharpening.]
  • [Solves the over-processed photo issue in default and pro camera apps.]

Details

Key Value
Target Audience Photography enthusiasts and professionals who want natural-looking photos.
Core Feature RAW + ProRAW capture with custom pipelines, manual controls for dynamic range.
Tech Stack Swift, iOS SDK, Core Image for RAW processing.
Difficulty High
Monetization Revenue-ready: One-time purchase or subscription for advanced features.

Notes

  • HN commenter Uncorrelated addressed a gap in the market: lack of ProRAW-focused, natural-processing apps. testfrequency's curiosity validates the need for differentiation.
  • Discussion around photography preferences and technical details (e.g., RAW pipelines) could engage HN's creative and technical audiences.

Comprehensive Solitaire & Puzzle Game Platform

Summary

  • [A website hosting a vast collection of solitaire and puzzle games, with social features like daily challenges and leaderboards.]
  • [Aims to be the largest free collection of modern solitaire games for mobile and desktop.]

Details

Key Value
Target Audience Casual gamers, solitaire enthusiasts, and puzzle lovers.
Core Feature 400+ games, daily challenges, awards, leaderboards, mobile-friendly UI.
Tech Stack React/Vue for frontend, Node.js/Go for backend, WebSockets for real-time features.
Difficulty Medium
Monetization Revenue-ready: Ad-supported with optional premium for ad-free and exclusive games.

Notes

  • HN commenter ekrapivin is building a large-scale platform with ambitious goals. Discussion potential around game variety and user engagement strategies is high.
  • Practical utility is niche but large (solitaire is popular). Could appeal to HN's gaming and design communities.

Accessible Color Palette Tool

Summary

  • [A tool for creating WCAG-compliant color palettes with intuitive hue/saturation/lightness curve editing and live UI mockups.]
  • [Solves the lack of accessibility focus in auto-generated color tools and provides customizability.]

Details

Key Value
Target Audience Web/UI designers, frontend developers, and accessibility advocates.
Core Feature Curve-based palette editor, live contrast checking, export to CSS/Tailwind/Figma.
Tech Stack React, Canvas/WebGL for visual editing, WCAG contrast algorithms.
Difficulty Medium
Monetization Revenue-ready: Freemium model with premium exports and team collaboration.

Notes

  • HN commenter seanwilson explicitly calls out the gap in existing tools (lack of WCAG compliance and customization). JasonSage's positive feedback indicates real-world need.
  • High practical utility for design and dev communities. Discussion on accessibility standards and tool usability is likely.

Post-Hype & AI News Substack

Summary

  • [A subscription-based newsletter providing timeless 80/20 life advice, delivered weekly with reminders.]
  • [A low-tech solution to cut through noisy news and focus on foundational life principles.]

Details

Key Value
Target Audience Professionals seeking practical, non-trendy life advice.
Core Feature Curated weekly advice, minimal tech setup (Notion wrapper), subscription-based.
Tech Stack Notion API, Substack, simple web wrapper.
Difficulty Low
Monetization Revenue-ready: Subscription model (e.g., $5/month) for newsletter access.

Notes

  • HN commenter christoph123 highlights a growing frustration with information overload and hype-driven content. The concept is simple but addresses a clear unmet need.
  • Discussion potential around productivity, minimalism, and content curation. Practical utility is high for HN's self-improvement-focused audience.

Custom Spotify Recommendation Engine

Summary

  • [A personal music recommendation service that generates playlists from your library and follows artists, with daily updates and advanced filters.]
  • [Solves Spotify's repetitive and impersonal recommendations by allowing user-curated sources.]

Details

Key Value
Target Audience Music enthusiasts frustrated with Spotify's algorithm.
Core Feature Library-based playlist generation, daily updates, artist/playlist filtering.
Tech Stack Node.js/Python, Spotify API, database for user data.
Difficulty Medium
Monetization Revenue-ready: Freemium with premium filters and more frequent updates.

Notes

  • HN commenter vulkoingim is directly addressing Spotify's recommendation fatigue. Discussion around music discovery and API limitations is inevitable.
  • High utility for music lovers. Could spark debate on the best way to algorithmically curate music.

Anonymous Feedback App

Summary

  • [A simple web app for collecting anonymous feedback, possibly for teams or individuals.]
  • [Solves the need for unfiltered, honest feedback without identity overhead.]

Details

Key Value
Target Audience Teams, managers, educators, or anyone seeking anonymous input.
Core Feature Anonymous submission, possibly with moderation or organization tools.
Tech Stack Node.js/Express, MongoDB/PostgreSQL, simple frontend (e.g., Vue).
Difficulty Low
Monetization Hobby (open-source project).

Notes

  • HN commenter kgthegreat is building a simple, focused tool. While not explicitly discussed in the thread, it aligns with common needs in collaborative environments.
  • Practical utility is high for organizational and educational use. Discussion could focus on privacy and use cases.

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