Free
Color Tools
Generate Tailwind CSS color scales from any base color.
tailwindpalettegenerator
Browse the complete directory — use filters to narrow down.
Color Tools
Generate Tailwind CSS color scales from any base color.
Web Analytics · Monitoring & Observability
Simple, self-hostable web analytics you own (trending).
Design Tools · Design & Prototyping
Free open-source SVG illustrations with a live color picker.
Converters · Encoding & Decoding
Browse and search all Unicode characters by block and codepoint.
Feature Flags · DevOps
Open-source feature flag platform you can self-host — strategies, gradual rollouts and an activation dashboard.
Stock & Placeholders · Image & Media
High-quality free stock photos with a developer API.
Design Tools · Design & Prototyping
The largest Figma UI kit and React library — 10k+ components and variants in a clean, modern style.
Uptime & Alerting · Monitoring & Observability
Fancy open-source self-hosted uptime monitoring with status pages.
Uptime & Alerting · Monitoring & Observability
Popular hosted uptime monitoring with 50 free monitors.
Converters · Encoding & Decoding
Encode and decode URLs and query strings online.
SQL Tools
In-depth guide to SQL indexing and performance tuning.
Passwords & IDs · Security
Generate UUIDs/GUIDs in bulk, including v4 and v7 versions.
AI Coding Assistants · AI for Developers
Vercel's generative UI builder for React and shadcn/ui components.
NoSQL · Database
Community-driven Redis fork under the Linux Foundation (trending).
PaaS & Edge · Cloud Platforms
Frontend cloud optimized for Next.js with edge functions and previews.
Full-stack Boilerplates · Project Starters
Official and community starter templates for Next.js, AI apps, commerce and more — one-click deploy to Vercel.
Reference & Standards · Security
Scan files, URLs and domains with 70+ antivirus engines.
VPS & Bare Metal · Cloud Platforms
Global cloud with simple compute, storage and Kubernetes offerings.
Reference & Standards · Security
Official W3C validator for HTML markup quality.
Courses & Tutorials · Documentation & Learning
Beginner-friendly web development tutorials with try-it editors.
Accessibility · Testing
Free web accessibility evaluation tool from WebAIM.
Vector Databases · AI for Developers
Open-source vector database with hybrid search and modules.
Courses & Tutorials · Documentation & Learning
Channel YouTube Sandhika Galih — tutorial web development berbahasa Indonesia paling populer, dari HTML sampai framework.
Learning & Reference · CSS Tools
Google's guidance for modern web development and performance.