Developer tool / API businesses launched recently
APIs, libraries, infrastructure and tools for developers. New developer tool / api launches collected daily from Show HN and Product Hunt, grouped by category, with a one-click idea check for your own version.
ElevenLabs UI
Audio and agent components for Next.js built on shadcn/UI
What the Font
Identify and discover fonts from images.
Wispbit
Linter that enforces codebase standards with AI coding agents.
OnlyJPG
Private browser-based converter for any image format to JPG.
Scriber Pro
Offline AI transcription app for macOS with no cloud uploads.
Duck-UI
Browser-based SQL IDE for DuckDB running entirely in WebAssembly.
SQLite Online
Browser-based SQLite IDE with 11 years of solo development.
Clink
Build and ship apps using your existing coding agents in an isolated container
ServBay
Local development environment manager for macOS
Twigg
Context management interface for organizing LLM conversations
Font Finder
Find and copy fonts from any webpage instantly
Duper
Human-friendly JSON extension with comments and better types
Butter
LLM proxy that caches responses for consistent agent behavior
Apache Fory Rust
Fast binary serialization framework 10-20x faster than JSON
Erdos
Open-source AI-powered data science IDE for secure analysis
0github
Color-coded pull request viewer highlighting code sections needing attention
Sparktype
Browser-based CMS and static site generator requiring no setup
Coding Agent Walkthroughs
VSCode extension for dynamic code walkthroughs with AI agents
PingStalker
macOS network monitoring tool for LAN and WLAN discovery
DroidDock
macOS app to browse and manage Android device files via ADB.
PolyGPT
Compare ChatGPT, Claude, and Gemini responses side-by-side in a desktop app.
OctoDNS
Automate DNS management across multiple providers for resilience.
DB Pro
Modern desktop database client for Postgres, MySQL, and SQLite.
Cynthia
Portable Windows app to reliably play MIDI music files.
ReadyKit
Open-source SaaS boilerplate with multi-tenant workspaces and Stripe billing.
Unicode Stunner
Free tool using invisible Unicode characters to block LLM text processing.
Exposed by Default
Tool revealing what data your browser automatically exposes to websites.
Stacktower
Tool visualizing package dependency graphs as interactive brick towers.
Pbnj
Minimal self-hosted pastebin deployable in 60 seconds.
Fresh
Fast terminal editor with modern GUI features and LSP integration.
HiveTechs
IDE integrating 11 AI tools in shared workspace with unified memory.
Detail
Bug finder for detecting issues in application backends.
SQLFlow
Lightweight stream processing engine using DuckDB for Kafka.
PasteClean
Desktop app that automatically strips tracking parameters from URLs.
CommerceTXT
Open standard for AI shopping data extraction from product pages.
Spice Cayenne
SQL acceleration engine for data queries and AI inference.
Lingoku
Browser extension replacing English words with Japanese vocabulary.
WebPtoPNG
In-browser WebP to PNG converter without signup or throttling.
HN Sentiment API
API analyzing sentiment toward entities mentioned in Hacker News.
Mushak
Zero config Docker/Compose deployment to servers with zero downtime
Feather
Tcl reimplementation in WASM and Go for embedding in modern applications
yapi
Open source terminal API client for power users
Rust/WASM Lighting Toolkit
Parses legacy lighting formats and generates SVGs for designers
Superset
Open source terminal for managing multiple coding agents in parallel
AutoLISP Interpreter
Rust/WASM AutoLISP interpreter for CAD workflows
Shadcn Block Search
Search engine for Shadcn UI blocks
Tasker
Open-source desktop agent for browser and OS automation
Corviont
Self-hosted offline maps with tiles, routing, and geocoding in Docker.
Listings are collected from public launch sites and classified by keyword; models and categories are corrected by an editor over time. Links go to the business itself; we have no relationship with any of them.