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.
Erebus
VPN client that runs without root privileges in user space.
lucide-motion-vue
Free animated icon library for Vue.js web applications.
Mercek
Desktop IDE for managing AWS ECS container services and deployments.
Atomic Editor
Obsidian-style live preview editor plugin for CodeMirror 6.
Kyushu
Self-hostable WebAssembly sandbox for running JavaScript workers safely.
Edsger
Handwritten Clojure REPL for reMarkable 2 tablet
Quant Picker
Tool to match GGUF model files with your machine specifications
Sabela
Reactive notebook for Haskell with pedagogical value for data work
MAGMA
3D printer slicer software that improves Z-axis layer bonding strength
Extend UI
Open-source UI component kit for PDF, DOCX, and XLSX document viewers.
Gitdot
Open-source GitHub alternative written in Rust with repository management.
Performative-UI
React component library of common design patterns and UI tropes.
Homebrew 6.0.0
Package manager with improved security, performance and bundle support.
TownSquare
Presence layer for websites showing real-time visitor activity
Kiso
Open-source publishing engine for Open Knowledge Format
Treedocs
Documentation that automatically detects and flags outdated content
Pure Effect
Reproduce production bugs locally without needing a database
Oak
Git alternative optimized for AI agents working on projects
TikZ Editor
WYSIWYG editor for creating LaTeX figures without code
Unobin
Compiles Infrastructure as Code to a single binary with runtime and dependencies.
PMB
Local memory system for coding agents that tracks usage.
QUALITY.md
Open specification and CLI tool for holistic quality evaluation in projects.
Salt
Systems programming language with Z3 theorem proving in the compiler.
GolemUI
Open source library to generate forms dynamically from JSON definitions.
ZeroFS
Log-structured filesystem designed for AWS S3 storage.
HTMLDrive
Serve HTML files directly from Google Drive without technical setup.
Speedcube
Open-source platform for speedcubing with solver, timer and algorithms.
SubjectiveZero
Open-source node editor for creative coding and interactive workflows.
Arcaide
Visualize code structure with multi-level call graphs for easier exploration.
Nectar
Rust-like React framework that compiles to WebAssembly without JavaScript.
RandoFont
Browse Google Fonts randomly and tag your favorites for projects.
Mermaid Diagram Editor
Free online editor for creating Mermaid diagrams with no login required.
OSINT Exposed Files Finder
Find exposed files and configurations on domains for security researchers
KiCad Browser
PCB design tool KiCad running in web browser for electronics design
Ant
JavaScript runtime and ecosystem with package manager and deployment
Kurvengefahr
Browser CAD/CAM tool for pen plotter designs and control
Libretto PR agents
AI agent automatically fixes failing Playwright scripts with GitHub PRs
BambooGrid
Open-source web UI for power grid modeling and power flow analysis
FixBugs
AI agent that reproduces bugs and generates verified fixes automatically
Mojibake
Low-level Unicode library in C with normalization and segmentation
Q3Edit
Browser-based level editor for Quake 3 maps with WebAssembly playback
Justif
JavaScript library for TeX-level text justification and microtypography on web pages.
Vanilla JS Dev Tools
Zero-latency developer tool suite built in vanilla JavaScript.
Trifle
Open-source time-series analytics library that aggregates counters instead of events.
Whetuu
Zero-config cross-shell prompt written in Zig.
Sylix
Free customizable IDE with AI coding features like Cursor.
Privacy Thing
Browser extension reducing fingerprinting tracking methods.
Dowe
Full-stack language for server, web, desktop and mobile.
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.