Show HN Daily Selection (2025-09-20)
- Zedis – A Redis clone I'm writing in Zig
- WeUseElixir - Elixir project directory
- PlantDiagrams – AI-powered PlantUML editor
- The Blots Programming Language
- OS layer for running multiple Codex agents in parallel
- Devsyringe – automate injecting dynamic values into static files
- Run Qwen3-Next-80B on 8GB GPU at 1tok/2s throughput
- Lucy Edit AI-A Free Text-Guided AI Video Editor
- RustNet, a network monitoring TUI with process identification
- GPU Kill – A CLI tool to kill stuck GPU jobs without rebooting
- An RDMA/Infiniband Distributed Cache for Fast Inference and Training
- I built Cursor for B2B Research that builds lists of leads by prompting
- Microcontroller with hardware-accelerated Lua VM
- Nallely – A Python signals/MIDI processing system inspired by Smalltalk
- Creating an app with Monkey C for bike computers
- Zero-trust server access without SSH keys, VPNs, or firewalls
Zedis – A Redis clone I'm writing in Zig [Developer Tools]
28 points, 5 comments
A Redis clone written in Zig from scratch.
- Implemented in Zig for performance and safety
- Replicates core Redis functionality
- Open-source project for learning and experimentation
Discussion Link, Original Link
WeUseElixir - Elixir project directory [Developer Tools]
68 points, 9 comments
Elixir project directory showcasing projects built with Elixir.
- Directory of Elixir-based projects
- Highlights real-world use cases
- Community-driven submissions
Discussion Link, Original Link
PlantDiagrams – AI-powered PlantUML editor [Developer Tools]
3 points, 0 comments
AI-powered PlantUML editor that converts natural language descriptions into diagrams instantly.
- Natural-language to PlantUML with live preview
- Export diagrams (SVG/PNG/TXT)
- Organize work with Projects
- Share via link with optional comments
- Sample gallery for examples
Discussion Link, Original Link
The Blots Programming Language [Developer Tools]
10 points, 2 comments
Blots is a small, expression-oriented programming language designed for quick math and data extraction tasks.
- Expression-oriented syntax for concise coding
- Useful for quick math and JSON data manipulation
- Current runtime is 100x faster than initial version
- Plans to transition to a bytecode interpreter for better performance
- Designed for personal and work-related scratchpad use
Discussion Link, Original Link
OS layer for running multiple Codex agents in parallel [Developer Tools]
6 points, 2 comments
Open-source OS layer for orchestrating multiple isolated Codex agents in parallel workspaces.
- Enables running multiple Codex agents simultaneously
- Provides isolated workspaces for each agent
- Tracks agent activity and status visibility
- Open-source solution for collaborative coding workflows
Discussion Link, Original Link
Devsyringe – automate injecting dynamic values into static files [Developer Tools]
3 points, 0 comments
Devsyringe is a Go CLI tool that automates injecting dynamic values into static files using YAML-defined rules.
- Automates updating static files with dynamic values like tunnel URLs or API tokens
- Uses simple YAML configuration for defining injection rules
- Supports various use cases (tunnels, API keys, documentation, CI/CD configs)
- Lightweight and command-line driven for easy integration into workflows
Discussion Link, Original Link
Run Qwen3-Next-80B on 8GB GPU at 1tok/2s throughput [Developer Tools]
4 points, 0 comments
Run Qwen3-Next-80B on an 8GB GPU with 1 token per 2 seconds throughput.
- Optimized for low GPU memory (8GB)
- High-performance throughput (1 token/2s)
- Supports Qwen3-Next-80B model
Discussion Link, Original Link
Lucy Edit AI-A Free Text-Guided AI Video Editor [Video]
3 points, 0 comments
Free AI-powered video editor with text-guided editing.
- Text-guided video editing
- Free to use
- AI-powered features
Discussion Link, Original Link
RustNet, a network monitoring TUI with process identification [Developer Tools]
3 points, 0 comments
RustNet is a Terminal UI-based network monitor written in Rust that provides real-time connection tracking with process identification and protocol detection.
- Deep packet inspection for HTTP, HTTPS/TLS (with SNI), DNS, and QUIC protocol detection
- Process identification using eBPF on Linux and PKTAP on macOS, capturing short-lived processes
- Multi-threaded packet processing with lock-free data structures for the UI
- Cross-platform support (Linux, macOS, Windows, though process ID is limited to Linux/macOS)
- Lightweight alternative to Wireshark for quick TUI-based network inspection
Discussion Link, Original Link
GPU Kill – A CLI tool to kill stuck GPU jobs without rebooting [Developer Tools]
5 points, 0 comments
A CLI tool to terminate stuck GPU processes without requiring a system reboot.
- Kills stuck GPU jobs
- Avoids system reboots
- Command-line interface
Discussion Link, Original Link
An RDMA/Infiniband Distributed Cache for Fast Inference and Training [Developer Tools]
13 points, 0 comments
A distributed cache system using RDMA/Infiniband for high-speed inference and training.
- Utilizes RDMA/Infiniband for low-latency communication
- Designed to accelerate both inference and training workloads
- Distributed architecture for scalable performance
Discussion Link, Original Link
I built Cursor for B2B Research that builds lists of leads by prompting [Business]
6 points, 1 comments
AI-powered B2B lead generation tool that automates sourcing, curating, enriching, and qualifying leads with contact information.
- Automates manual lead research and database creation
- Upgraded UI and smarter AI agents
- Provides decision-maker contact details
- Offers a demo and 15% discount with code "PHK15"
Discussion Link, Original Link
Microcontroller with hardware-accelerated Lua VM [Developer Tools]
7 points, 0 comments
Microcontroller with hardware-accelerated Lua VM
- Hardware-accelerated Lua virtual machine
- Work in progress (WIP)
- Open to feedback
Discussion Link, Original Link
Nallely – A Python signals/MIDI processing system inspired by Smalltalk [Developer Tools]
17 points, 2 comments
A Python-based signals/MIDI processing system inspired by Smalltalk, focusing on dynamic and emergent behaviors.
- Enables routing, patching, and processing signals via reactive neurons
- Supports distributed systems with network-bus neurons for cross-technology integration
- Provides a mobile-friendly GUI for visual patching and configuration
- Runs efficiently on Raspberry Pi 5 with low CPU and memory usage
- Prioritizes extensibility and runtime adaptability over extreme performance
- Leverages Python's ecosystem while embracing Smalltalk's "Systems as Living Things" philosophy
Discussion Link, Original Link
Creating an app with Monkey C for bike computers [Developer Tools]
4 points, 0 comments
App development using Monkey C for bike computers.
- Designed for bike computer applications
- Utilizes Monkey C programming language
Discussion Link, Original Link
Zero-trust server access without SSH keys, VPNs, or firewalls [Developer Tools]
3 points, 0 comments
Alpacon is a zero-trust platform that eliminates SSH keys and VPNs for secure server access.
- Instant onboarding with role-based access
- Auditable access with detailed logs
- Granular, least-privilege access policies