Free
Other Formats · Data Formats
Official TOML language site with spec, docs and editor support.
tomlconfigspecification
Browse the complete directory — use filters to narrow down.
Other Formats · Data Formats
Official TOML language site with spec, docs and editor support.
Web Servers & Proxies · DevOps
Cloud-native reverse proxy and ingress controller with auto discovery.
JSON · Data Formats
Convert JSON into TypeScript, Zod, GraphQL, Kotlin, Go structs and more.
Data Viz & Charts · Frontend
React components and blocks built for dashboards — charts, KPI cards and grids on Tailwind.
Dependency Security · Security
All-in-one open-source vulnerability and misconfiguration scanner.
API Protocols · Backend
End-to-end typesafe APIs without schemas or code generation.
Secret Scanning · Security
Open-source tool to find, verify and monitor leaked credentials.
Build & Lint · Frontend
High-performance build system and cache for JavaScript monorepos.
Serverless & BaaS · Database
Distributed SQLite-based database for edge and local-first apps.
Typography & Fonts · Design & Prototyping
Visual type-scale calculator — pick a ratio and base size, preview the resulting hierarchy live.
ORMs · Backend
Mature decorator-based ORM for TypeScript and JavaScript.
Programming Languages
Typed JavaScript at scale. Official docs, playground and handbook.
Search Engines · Database
Open-source, in-memory search engine focused on developer experience.
Documentation Generators · PDF & Documents
Modern, fast typesetting system — a fresh alternative to LaTeX.
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.
Ecosystem · CSS Tools
Instant on-demand atomic CSS engine with full customization.
Compression & Optimization · Image & Media
Free, open-source AI image upscaler for desktop — batch-enlarge images locally with Real-ESRGAN models.
Uptime & Alerting · Monitoring & Observability
Fancy open-source self-hosted uptime monitoring with status pages.
Converters · Encoding & Decoding
Encode and decode URLs and query strings online.
SQL Tools
In-depth guide to SQL indexing and performance tuning.