Show HN Daily Selection (2025-09-12)
- Pbar.io – Distributed progress bars that work in terminals and browsers
- I built a minimal Forth-like stack interpreter library in C
- Runner – the anti-vibe coding agent
- Fast Tor Onion Service vanity address generator
- I made a script that gives me fake calls to escape boring moments
- An AI app to help you generate stock research report and save you hours
- Kafkatop, top-like CLI for Kafka
- Asxiv.org – Ask ArXiv papers questions through chat
- Story to Manga – Paste a story, get a manga
- Forked styled-components with optimizations (40% faster for Linear)
- Uniprof – Universal CPU profiler for humans and AI agents
- Radiccio – Mac music player – local files, Apple Music, Plex, Jellyfin
- Browse the new MCP registry with Remote MCP
- Element 0 – A small embeddable Lisp written in Zig
- Enter a Topic, receive a language learning curriculum with videos
- I Built Davia–A New Way to Create Interactive Documents with Code
Pbar.io – Distributed progress bars that work in terminals and browsers [Developer Tools]
4 points, 1 comments
A distributed progress bar tool that works in terminals, browsers, and via API for tracking script execution remotely.
- REST API for creating and updating progress bars
- Supports terminal (ANSI colors), browser, and JSON output
- Hierarchical progress bars with auto-aggregation
- Python package (pip install pbar-io) compatible with tqdm
- QR codes for mobile monitoring
- No authentication required for quick prototyping
Discussion Link, Original Link
I built a minimal Forth-like stack interpreter library in C [Developer Tools]
35 points, 12 comments
A minimal Forth-like stack interpreter library in C for basic stack operations and arithmetic.
- Implements stack operations (push/pop/dup/swap/over/drop)
- Supports arithmetic (+, -, *, /) and output (., emit, cr)
- Includes stack inspection tools (.s, depth)
- Self-contained, no dependencies, with basic error checking
- Designed for simplicity and learning Forth concepts in C
Runner – the anti-vibe coding agent [Developer Tools]
12 points, 4 comments
Runner is a structured coding agent designed for professional developers to plan, review, and approve AI-generated code changes.
- Built for "plan and review" workflow, not vibe coding
- Uses task-based approach for scoped changes
- Includes planning agent, coding agents, and built-in diff viewer
- Supports approval-triggered git commits
- Free BYOK beta for MacOS (requires Gemini/OpenAI API keys)
Discussion Link, Original Link
Fast Tor Onion Service vanity address generator [Developer Tools]
3 points, 0 comments
A fast Tor Onion Service vanity address generator that outperforms existing tools in speed.
- Generates vanity Tor Onion Service addresses with custom prefixes
- Achieves ~45 million keys per second, ~2x faster than mkp224o
- Provides hostname and ed25519 key pairs for generated addresses
- Open-source with detailed performance optimization explanations
Discussion Link, Original Link
I made a script that gives me fake calls to escape boring moments [Life Assistant]
25 points, 5 comments
A script that schedules fake phone calls to help users escape boring or awkward situations.
- Uses a virtual number from Twilio to simulate a real call
- Triggered by an "ESCAPE" button on the user's phone
- Remote server runs a Python script to schedule the call
- Pre-recorded audio plays after a minute, allowing a graceful exit
An AI app to help you generate stock research report and save you hours [Finance]
3 points, 1 comments
AI-powered stock research report generator to save time.
- Automates stock research report generation
- Designed to save hours of manual work
- Seeks user feedback for improvements
Discussion Link, Original Link
Kafkatop, top-like CLI for Kafka [Developer Tools]
4 points, 1 comments
A real-time CLI monitoring tool for Apache Kafka with a top-like interface.
- Displays consumer lag and event rates in real-time
- Provides a clean, top-like interface for quick assessment
- Helps monitor remote on-premises clusters lacking proper monitoring
- Open-source and available on GitHub
Discussion Link, Original Link
Asxiv.org – Ask ArXiv papers questions through chat [Research]
3 points, 1 comments
Ask questions to arXiv papers via chat.
- Interactive chat interface for arXiv papers
- Directly query research papers for information
Discussion Link, Original Link
Story to Manga – Paste a story, get a manga [Design]
5 points, 1 comments
A tool that converts short stories into manga or comic panels with consistent characters and settings.
- Converts text into manga or comic-style panels
- Maintains character consistency across panels
- Analyzes text to generate storyboards (dialogue, camera angles, mood)
- Supports micro-stories, recaps, and jokes
- Open-source project available on GitHub
Discussion Link, Original Link
Forked styled-components with optimizations (40% faster for Linear) [Developer Tools]
4 points, 1 comments
A performance-optimized fork of styled-components for React 18/19 with 40% faster renders.
- Added React 18's
useInsertionEffect - Rewrote SSR for React 19 compatibility
- Modern JS output replacing ES5
- Optimized array operations with
flatMap - Fixed Next.js App Router integration
- Zero-code-change migration for existing projects
- Temporary solution for teams transitioning away from runtime CSS
Discussion Link, Original Link
Uniprof – Universal CPU profiler for humans and AI agents [Developer Tools]
3 points, 0 comments
Uniprof is a universal CPU profiler designed for both humans and AI agents.
- Universal profiling for various CPU workloads
- Designed for human and AI agent usability
- Simplifies CPU performance analysis
Discussion Link, Original Link
Radiccio – Mac music player – local files, Apple Music, Plex, Jellyfin [Audio]
3 points, 0 comments
Radiccio is a Mac music player supporting local files, Apple Music, Plex, and Jellyfin with a focus on simplicity and multi-source integration.
- Supports local music files with optional SQLite indexing (Librarian)
- Integrates Apple Music with easy onboarding but limited API functionality
- Includes Plex and Jellyfin for expanded media library options
- Built with SwiftUI and AppKit, leveraging AVFoundation for playback
- No Spotify support due to lack of macOS SDK and restrictive terms
Discussion Link, Original Link
Browse the new MCP registry with Remote MCP [Developer Tools]
3 points, 1 comments
Browse the new MCP registry with Remote MCP.
- Access the MCP registry remotely
- Explore updated registry features
Discussion Link, Original Link
Element 0 – A small embeddable Lisp written in Zig [Developer Tools]
4 points, 0 comments
A small embeddable Lisp dialect written in Zig with an interpreter and standard library.
- Experimental Lisp dialect named "Element 0"
- Interpreter implemented in Zig
- Includes a small standard library
- Open-source project with feedback welcome
Enter a Topic, receive a language learning curriculum with videos [Education]
4 points, 0 comments
A tool that generates personalized language learning curriculums using YouTube videos based on user interests.
- Creates structured learning plans tailored to individual topics
- Uses YouTube videos to keep content engaging and relevant
- Supports a wide range of interests (e.g., "rugby and food" in French)
- Helps users stay consistent and build language learning habits
- Works independently without requiring a dedicated app
Discussion Link, Original Link
I Built Davia–A New Way to Create Interactive Documents with Code [Developer Tools]
6 points, 0 comments
Davia is a platform for creating interactive, code-powered documents that function like mini-apps.
- Combines editable content, interactive components, and data in self-contained pages
- Uses dynamically generated code for limitless functionality (MDX, JSON, HTML)
- Supports publishing as live sites or open-source templates for remixing
- Open-source community with creator attribution and beta monetization
- Free during beta, encouraging collaboration and experimentation