Show HN Daily Selection (2025-10-09)
- PWAscore
- Recall: Give Claude memory with Redis-backed persistent context
- FleetCode – Open-source UI for running multiple coding agents
- I built a local-first podcast app
- Oh Yah – Routine management app I built for my sons
- FounderBox: Prompt → Form company, website, payment, suppliers and SOP
- I made a free global VC directory (1,500 firms, no signup)
- Spica – OSS Tool to Generate Infinite Length Sora-2 Videos
- Twoway, a Go package for HPKE encrypted request-response flows
- Vincent – A delegation framework for wallet automation
- KI Song Erstellen Kostenlos – AI Music Generator FüR Deutsche Musik
- Searchable compression for JSON (p50≈0.18 ms; 10-min demo)
- Polyglot Web Assembler done using AI
- Speak to AI – offline speech-to-text for Linux (alternative to Dragon)
- Mirrow – Build SVGs with TypeScript, get syntax checking for free
- A 100% free and open source online tool to make tier list
PWAscore [Developer Tools]
33 points, 14 comments
PWAscore is a Progressive Web App (PWA) scoring tool.
- Evaluates PWA performance and features
- Provides a score based on PWA best practices
- Helps developers optimize their PWAs
Discussion Link, Original Link
Recall: Give Claude memory with Redis-backed persistent context [Developer Tools]
127 points, 61 comments
Recall is a Redis-backed MCP server that provides Claude AI with persistent memory across conversations using semantic search.
- Stores and retrieves conversation context as embedded "memories" in Redis
- Enables global memory sharing across projects and sessions
- Supports memory relationships, versioning, and workspace isolation
- Includes 27 tools and 10 context types for diverse use cases
- Works with Claude Desktop, Claude Code, and other MCP clients
- Lightweight (~189KB) and runs locally with TypeScript + Redis
- Future updates include CI/CD, Docker support, and improved testing
Discussion Link, Original Link
FleetCode – Open-source UI for running multiple coding agents [Developer Tools]
50 points, 31 comments
Open-source UI for running multiple coding agents in parallel with git worktrees.
- Uses git worktrees to manage parallel coding sessions
- Lightweight terminal wrapper for running multiple agents
- Simplifies multi-agent coding workflows
- Free and open-source
Discussion Link, Original Link
I built a local-first podcast app [Audio]
48 points, 21 comments
A local-first, privacy-focused podcast app that stores all data on your device and supports custom RSS feeds and advanced features like AI-powered discovery.
- True local-first: All data stays on your device
- Custom RSS feeds: Add any feed, not just directory listings
- On-device search: Search across all feeds and episodes
- Podcasting 2.0 support: Chapters, transcripts, funding tags
- Auto-generated chapters: For shows without them
- AI-powered discovery: Find shows via natural language queries
- Audio-guided tutorials: Interactive walkthroughs with voice guidance
- Offline functionality: Works with downloaded episodes
- Progressive web app: Feels native when added to home screen
Discussion Link, Original Link
Oh Yah – Routine management app I built for my sons [Productivity]
86 points, 77 comments
A routine management app designed for kids to follow daily tasks with minimal distractions and parental control.
- Locks navigation during tasks to reduce distractions
- Supports photo-based task completion for accountability
- Simple UX tailored for kids, with parental control features
- Allows parents to create weekly schedules with daily toggles
- Built with React Native/Expo and Firebase
- Offers a 1-month free trial, then subscription-based
Discussion Link, Original Link
FounderBox: Prompt → Form company, website, payment, suppliers and SOP [Business]
10 points, 0 comments
FounderBox automates business setup by generating a complete business kit from a single prompt, including company formation, website, payment integration, supplier matches, and operational SOPs.
- Converts a business idea into a fully operational setup with minimal input
- Integrates legal, marketing, and operational tasks into one seamless process
- Offers Stripe checkout, supplier matching, and basic SOPs
- Aims to reduce reliance on expensive consultants and fragmented services
- Currently in closed beta with lifetime pricing for early adopters
Discussion Link, Original Link
I made a free global VC directory (1,500 firms, no signup) [Business]
5 points, 0 comments
A free, global directory of 1,500+ venture capital firms with no signup required.
- 100% free to browse with no paywall or signup
- Lists 1,300+ VC firms worldwide (continuously growing)
- Filter by country, continent, investment phase, and market focus
- Includes firm details like description, portfolio links, website, and contact info
- Features categories, breadcrumbs, and bookmarks for easy navigation
Discussion Link, Original Link
Spica – OSS Tool to Generate Infinite Length Sora-2 Videos [Video]
3 points, 1 comments
Open-source tool for generating infinite-length videos using Sora-2.
- Open-source (OSS)
- Generates infinite-length videos
- Uses Sora-2 technology
Discussion Link, Original Link
Twoway, a Go package for HPKE encrypted request-response flows [Developer Tools]
5 points, 0 comments
A Go package for implementing secure, encrypted request-response flows using HPKE.
- Supports one-to-one and one-to-many encrypted communication flows
- Compatible with RFC 9458 Oblivious HTTP (OHTTP) and chunked OHTTP
- Works with any transport layer, handling only the messages
- Supports chunked messages for large data transfers
- Allows custom HPKE implementations for specialized hardware needs
Discussion Link, Original Link
Vincent – A delegation framework for wallet automation [Finance]
6 points, 1 comments
Vincent is a non-custodial delegation framework for wallet automation, enabling users to grant apps limited, revocable permissions for crypto actions.
- Safely grants apps/agents limited, revocable wallet permissions
- Defines scopes (e.g., "rebalance stables on Aave up to $1k/day")
- Built with Lit Protocol's decentralized programmable signing
- On-chain guardrails for secure app operations
- "OAuth for crypto actions" concept
Discussion Link, Original Link
KI Song Erstellen Kostenlos – AI Music Generator FüR Deutsche Musik [Audio]
3 points, 0 comments
Free AI-powered music generator for creating German songs from text in minutes.
- Generates professional-quality songs from text input
- Designed for content creators needing copyright-free music
- Fast turnaround (minutes per song)
- Open-source project available on GitHub
Discussion Link, Original Link
Searchable compression for JSON (p50≈0.18 ms; 10-min demo) [Developer Tools]
3 points, 1 comments
SEE (Semantic Entropy Encoding) is a searchable compression method for JSON that reduces storage/egress costs while minimizing I/O and maintaining searchability.
- Compresses JSON to ~19.5% of raw size while remaining searchable
- Achieves median lookup latency of 0.18 ms (bloom filter at 0.30 ms)
- Skips ~99% of data during searches for faster performance
- Includes a quick 10-minute demo for testing compression ratios and performance
- Offers cost savings (e.g., ~$40/TB at $0.05/GB pricing)
- Supports schema-aware layout, delta strategy, and bloom filter optimizations
Discussion Link, Original Link
Polyglot Web Assembler done using AI [Developer Tools]
3 points, 0 comments
An AI-powered polyglot web assembler that recreates a declarative framework in six languages (C#, Rust, Go, PHP, Node.js, and client-side JavaScript).
- Uses GPT-4.1 and Claude 4 to implement logic across static and dynamic languages
- Generates an index page autonomously based on declarative rules
- Supports building static web apps with any client-side framework
- Includes testing and validation features for implementation accuracy
- Hosted on Fly.io with separate apps for each language variant
- Relies on iterative AI prompting with verification loops for refinement
Discussion Link, Original Link
Speak to AI – offline speech-to-text for Linux (alternative to Dragon) [Developer Tools]
4 points, 2 comments
A privacy-focused, offline speech-to-text tool for Linux using Whisper.cpp and written in Go.
- Uses Whisper.cpp for offline speech recognition
- Works on both X11 and Wayland
- Designed as a local alternative to Dragon or cloud-based STT tools
- Open-source with a goal of fast, privacy-respecting dictation and voice commands
- Seeks community feedback and contributions for improvement
Discussion Link, Original Link
Mirrow – Build SVGs with TypeScript, get syntax checking for free [Developer Tools]
4 points, 0 comments
Mirrow is a TypeScript DSL that compiles to SVG with compile-time syntax checking and type safety.
- Attribute validation at compile time
- Inline events (on:click, @hover)
- Zero-config CLI:
npx mirrow -i input.mirror -o output.svg - Works as static SVGs or components
Discussion Link, Original Link
A 100% free and open source online tool to make tier list [Design]
3 points, 0 comments
A free and open-source online tool for creating tier lists using Next.js, shadcn, and Tailwind.
- 100% free and open-source
- Built with Next.js, shadcn, and Tailwind
- Simple and easy-to-use tier list maker
- Learning project for the creator