Product Radar

Hacker News • Jun 19, 2026

Wolffish, an OS personal desktop AI agent.

A simple, secure, private, easy-to-use, and extensible desktop AI agent that runs locally, supports various models (including offline), and performs "real work on your computer."

OS personal desktop AI agent desktop app no server secure

Hacker News • Jun 19, 2026

SunCalc v2, a JavaScript library for sun and moon calculations.

Positions itself as a significantly more accurate and modernized version of an established utility library, with calculations improved by 5x for the Sun and 20x for the Moon.

JavaScript library sun and moon calculations calculations accuracy test harness

letter-sudoku hidden word logic puzzle generator puzzle solver

Sudoku Word Search, a puzzle game combining letter-sudoku with hidden words, where word deduction is essential for solving.

A unique mashup of puzzle types, offering a challenge beyond traditional sudoku logic by requiring 'hidden word logic' to achieve a unique solution.

chess bot transformer architecture 11M parameters human games

A chess bot utilizing a transformer architecture, enhanced with a Monte Carlo Tree Search (MCTS) harness, trained on human games.

Positioned as an exploration into the suitability of transformer architectures for chess AI, demonstrating that a small model combined with an MCTS harness can achieve a strong Elo rating (~2100).

web app mobile is still being built Chat with AI target language

Chatty Lingo, a web and mobile application designed for practicing spoken conversations in a target language.

Addresses the critical need for practical language conversation practice through two modes: AI role-play for low-pressure scenarios and real-time human conversation translation for authentic interactions.

Swift Wayland client substrate Linux desktop foundations UI toolkit lower level substrate

WaylandClientKit, a Swift Wayland client substrate for Linux.

A lower-level foundation for native Wayland/Linux desktop development in Swift, designed to fill a perceived gap in the Swift ecosystem for Linux desktop foundations.

feature-level access control LLMs A/B testing content/age restrictions

Locket – Robust feature-level access control for LLMs

A step towards providing granular separation of features within an LLM, enabling A/B testing, content/age restrictions, and pay-to-unlock monetization schemes.

Brainfuck interpreter Turtle Graphics additional commands

Brainfuck but with Turtle Graphics

An extension of the esoteric programming language Brainfuck, adding visual output capabilities through turtle graphics.

job boards niche ones Playwright API scraping

Morning Stack finds real job openings, tweaks resume and cover letter

A tool that automates the tedious and unreliable parts of job hunting by verifying job postings, tailoring application materials, and presenting a curated daily stack of real opportunities, without auto-applying or logging into user accounts.

dictionary game Fictionary/Balderdash Daily Puzzle Wordle-style

The Dictionary Game (Fictionary/Balderdash) as a Daily Puzzle

A Wordle-style daily game based on the dictionary game concept, where players guess the real definition among AI-generated fakes.

AI workout planner personalized training blocks training analytics

Micro Coach – AI workout planner.

Personalized 4-week training blocks based on user goals, schedule, experience, equipment, and preferences.

Openclaw plugin tamper-evident audit trail AI coding agent activity session

Openclaw plugin for tamper-evident audit trail of AI coding agent activity.

Records every session, tool invocation, and prompt exchange into a local SQLite database with SHA-256 hash chain integrity, verifying no events were altered or deleted.

Hacker News • Jun 15, 2026

A tool to track trending GitHub repositories mentioned on Hacker News, consolidating information in one space with auto-updates.

A convenience tool for developers and tech enthusiasts to efficiently monitor popular GitHub projects discussed on Hacker News, eliminating manual cross-referencing and providing auto-updates.

trending GitHub repos HN auto-updates

Hacker News • Jun 15, 2026

Ray Hosting, a topology-aware game server orchestrator built from scratch.

A high-performance, DDoS-protected game server orchestrator that optimizes CPU cache alignment and core pinning for maximum single-core tick efficiency, and provides advanced network-level DDoS mitigation.

game server orchestrator topology-aware CORE PINNING CCD CACHE ALIGNMENT

Hacker News • Jun 15, 2026

Wtdb, a tool to provide each Git worktree with its own isolated database instance.

A solution for developers running parallel agentic coding sessions or working with multiple Git worktrees, preventing database schema conflicts and "noisy neighbor" issues by isolating databases per worktree.

agentic coding sessions Git worktree local Postgres migration

Hacker News • Jun 14, 2026

A searchable database identifying abandoned WordPress plugins and their associated vulnerabilities.

A tool for identifying and mitigating security risks posed by outdated WordPress plugins.

abandoned WordPress Plugins known vulnerabilities no updates in over 12 months

Hacker News • Jun 14, 2026

Afterburner, a fast, embeddable JavaScript/TypeScript runtime in Rust with a capability sandbox.

A secure, sandboxed environment for running untrusted JavaScript/TypeScript code, user scripts, plugins, business rules, or edge logic within Rust applications or existing toolchains.

JS/TS runtime Rust capability sandbox embeddable

Hacker News • Jun 13, 2026

LLMRender, a 10kb Markdown+LaTeX renderer for React.

A lightweight, tiny package alternative to popular React Markdown renderers (with Katex and Prism.js) that bundle 300kb+ of JS. Focuses on minimal bundle size and specific use cases, accepting 'not correct' parsing via Regex for common Markdown.

Markdown+LaTeX renderer React Katex Prism.js

Hacker News • Jun 13, 2026

A dramatically faster Linter and TypeScript-Go toolchain for plugins like typia, named `@ttsc/lint`.

A dramatically faster linter (600x to 1600x faster than ESLint) integrated directly into the TypeScript-Go compilation process, eliminating the need to run separate `tsgo` and `eslint` commands.

Linter TypeScript-Go toolchain typia ttsc