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.
Dowe
Full-stack language for server, web, desktop and mobile.
Logan Basic v2.1
Online BASIC interpreter for retro programming
Supapool
Ephemeral Supabase copies for parallel coding agents
Segue
Share AI context between models using short handles
Manim WebGPU
3Blue1Brown's animation engine reimplemented for browsers
Bor
Open-source centralized policy management system for Linux desktops
Silo
S3-compatible object storage, a maintained MinIO fork
Demake
Tool to compile projects to retro game console ROMs
Line9
Mermaid diagram rendering engine with automatic layout
ssh ssh.place
SSH-based service or tool
Skin Tone Generator
Algorithm to generate diverse skin tones for art and games
Stackdome
Self-hosted Kubernetes deployment platform alternative
Vibez
Open-source Rust-based digital audio workstation
Mocktail
Free mock API server with dashboard and database
Agent-shell
Vendor-neutral AI agent chat interface in Emacs
OxiSH
Modern memory-safe SSH server
LuaCAD
Parametric CAD software scripted in Lua with CSG operators
Write.md
Free, open-source, themeable Markdown editor for macOS
Woxi
Open-source Wolfram Language interpreter with GUI, CLI, and multiple interfaces.
Lips Scheme
Scheme dialect interpreter with full call/cc and tail call optimization.
ParqDB
Vector search in the browser using Parquet files over HTTP.
Age Verify
Anonymous age verification using passkey-powered encryption.
Shoehorn
Quantize AI models to run locally on your machine with a simple GUI
terminal-code
Run VS Code inside your terminal
HuggingFace Architecture
Interactive animated visualization of any HuggingFace model
Windows Deployment Tool
Self-hosted deployment automation for Windows and IIS
Polign
Lightweight stateless vector database for AI agent memory
GlassBox
Browser privacy analyzer showing what websites can identify
PicoMQ
Durable message streams over HTTP built on object storage
Circuit TypeScript
Design digital circuits by writing TypeScript code
Floe
Open-source audio plugin for sample libraries on all platforms
MeScript
Lisp-inspired music programming language with synthesizers
Moadim.io
Open-source scheduler for agents supporting multiple runners and protocols
Linux Server SSH Manager
Rust and Tauri-based tool for managing Linux servers over SSH
Weedout
Safari extension that filters AI-generated videos from YouTube
See Sounds on Your Webcam
Visualize sound using your webcam
Biff 2.0
Clojure web framework with SQLite and server-side rendering
Asm Editor
Browser IDE for assembly coding with debugging across multiple architectures
VODForge
Desktop tool for downloading YouTube videos and playlists locally
Syq
Fast file transfer between machines using parallel connections and encryption.
Rickub
Git client with smart features for developers
Aclif
CLI framework with canonical names for SaaS APIs
Capsule
Single-file web apps with built-in SQLite data storage.
Windows Crash Debugger
Post-mortem debugger for native Windows x64/x86 crash analysis.
Self-Decrypting HTML
Encrypt files into a single self-decrypting HTML page for air-gapped sharing.
JevBench
Reproducible benchmark for typed decision models versus LLMs.
Drop
Rootless Linux sandbox with gVisor support for safe third-party software.
Sarala
Open-source WYSIWYG Markdown editor for writing and formatting.
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.