Freemium
SQL Tools
SQL query optimizer and formatter that explains performance issues.
sqloptimizerperformanceindex
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SQL Tools
SQL query optimizer and formatter that explains performance issues.
Whiteboards & Diagrams · Design & Prototyping
Hand-drawn style virtual whiteboard, ideal for quick diagrams.
Practice & Challenges · Documentation & Learning
Free coding practice and mentoring in 70+ languages.
Screenshots · Image & Media
Read, write and edit image, audio and video metadata.
SQL Tools
Modern PostgreSQL EXPLAIN plan visualizer by Dalibo.
SQL Tools
Long-standing PostgreSQL EXPLAIN plan analyzer and visualizer.
CLI Tools · Development Environment
Explains any shell command by matching it to man page text.
Cross-Platform · Mobile Development
Framework and platform for universal React Native apps.
Frameworks · Backend
Minimal and flexible Node.js web application framework.
CLI Tools · Development Environment
Modern, maintained replacement for ls with icons and Git status.
Conversion · Image & Media
Online GIF maker and editor: resize, crop, optimize, convert.
Mocks & Fakes · Testing
Generate massive amounts of realistic fake data for tests.
Generators · CSS Tools
Create organic blob shapes with eight-value border-radius.
Frameworks · Backend
Modern, fast Python framework with automatic OpenAPI docs.
Frameworks · Backend
Fast, low-overhead web framework for Node.js with schema support.
Mobile Backend & Services · Mobile Development
Automate building, signing and releasing iOS and Android apps.
Favicons & Social Images · Image & Media
Generate favicons from text, emoji or images in all sizes.
CLI Tools · Development Environment
Simple, fast and user-friendly alternative to find.
Icons · Frontend
Simply beautiful open-source icons — 280+ clean stroke icons on a 24px grid.
Conversion · Image & Media
The universal audio/video converter and processor behind everything.
Design Tools · Design & Prototyping
Figma's marketplace of free UI kits, plugins, templates and wireframe libraries from the community.
Serverless & BaaS · Database
Google's app platform: Firestore, auth, hosting, push and analytics.
Web Scraping · Data & Analytics
API that turns any website into clean markdown or structured data for LLMs — crawl, scrape and extract.
Feature Flags · DevOps
Open-source feature flags and remote config with cloud or self-hosted deployment and per-environment targeting.