Show HN Daily Selection (2025-08-14)
- Emailcore – write chiptune in plain text in the browser
- Inworld Runtime – A C++ graph-based runtime for production AI apps
- Private AI List
- I wanted to reinvent programming tutorials for Gen Z people
- langdiff – Stream valid JSON from LLMs with type-safe callbacks
- From CRUD Dev to AI Founder in 30 Days – Photor.ai
Emailcore – write chiptune in plain text in the browser [Audio]
3 points, 0 comments
A browser-based chiptune tracker that lets users write music in plain text using the AudioContext API.
- Multi-voice chiptune creation with no frameworks or dependencies
- Plain text input with 7-bit safe characters for note specification
- Supports chromatic scales, octave shifts, note holds, tempo changes, and volume adjustments
- Simple syntax (e.g.,
AbBCdDeEFgGafor notes,+-for octave shifts,~for holds) - Readable page source for easy understanding and modification
- Encourages sharing user-created tunes in comments
Discussion Link, Original Link
Inworld Runtime – A C++ graph-based runtime for production AI apps [Developer Tools]
6 points, 2 comments
A C++ graph-based runtime for production AI apps designed to simplify AI ops and feature development.
- High-performance C++ runtime with graph-based AI logic (e.g., STT → LLM → TTS nodes).
- Extensible architecture for custom nodes without glue code.
- Dynamic model selection, fallbacks, and retries via routers.
- Web-based Portal for deployment, A/B testing, and monitoring.
- Unified API supporting multiple providers (OpenAI, Anthropic, Google).
- Cross-platform (Linux, Windows, macOS) and on-device capable.
- Node.js SDK available, with Python, Unity, Unreal, and C++ coming soon.
Discussion Link, Original Link
Private AI List [Research]
5 points, 0 comments
Private AI List is a community-driven resource focused on data sovereignty.
- Focuses on data sovereignty
- Community contributions encouraged
Discussion Link, Original Link
I wanted to reinvent programming tutorials for Gen Z people [Education]
3 points, 2 comments
A Gen Z-focused programming tutorial platform inspired by JRPGs and internet humor.
- Tutorials presented in interactive, click-through panels
- Uses casual language and humor to engage learners
- Currently offers Python Type Hints and Coding Interview Tips tutorials
- Designed for spoon-fed, bite-sized learning
- Seeks feedback on effectiveness and appeal
Discussion Link, Original Link
langdiff – Stream valid JSON from LLMs with type-safe callbacks [Developer Tools]
6 points, 1 comments
Stream valid JSON from LLMs with type-safe callbacks using schema and callback approach.
- Define schema and attach callbacks
- Push streaming tokens
- Receive structured events immediately
- Avoid JSON parsing errors mid-stream
Discussion Link, Original Link
From CRUD Dev to AI Founder in 30 Days – Photor.ai [Image]
4 points, 0 comments
A backend developer transitions to AI entrepreneurship by building Photor.ai, an AI-powered image generation and editing tool, in just 30 days.
- Built with no prior design or frontend experience
- Uses Cursor for coding, GitHub for source control, and Cloudflare Pages for hosting
- Overcame deployment issues, API rate limits, and self-doubt
- Emphasizes curiosity and persistence over credentials
- Encourages others to start small and embrace the AI era