165 evidence-grounded AI skills for teachers, school leaders and EdTech builders—pedagogy, learning science, curriculum, assessment and regeneration. Claude, Codex and Hermes.

AI enabled pair programmer for Claude, GPT, O Series, Grok, Deepseek, Gemini and 300+ models

Cross-platform desktop application for content-aware file organization and renaming. Supports local and remote LLMs, preview-based workflows, and fully user-controlled changes.

The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many mo…

sqlc plugin to generate type-safe code for SQL queries using a template.

A PostgreSQL SQL syntax beautifier that can work as a console program or as a CGI. On-line demo site at http://sqlformat.darold.net/

SQL Formatter

Automatically update your Go tests

I make a map of Gault & Millau rating for Serbian cities

Litter is a pretty printer library for Go data structures to aid in debugging and testing.

A language for writing HTML user interfaces in Go.

Protocol Buffer Validation - replaced by https://github.com/bufbuild/protovalidate

GitHub action to set timezone in your locale, works with Linux, Windows, MacOS

sitespeed.io is an open-source tool for comprehensive web performance analysis, enabling you to test, monitor, and optimize your website’s speed using real browsers in various environments.

Example how to use sitespeed.io to monitor the performance of your web site

Viteshot 📸 is a fast and simple component screenshot tool based on Vite.

An extremely fast bundler for the web

TypeScript with a Borrow Checker. Multi-threaded, Tiny binaries. No GC. Easy to write.

Parses call stacks. Reads sources. Clean & filtered output. Sourcemaps. Node & browsers.

Lerna is a fast, modern build system for managing and publishing multiple JavaScript/TypeScript packages from the same repository.

A rollup plugin to generate .d.ts rollup files for your typescript project

NGINX Prometheus Exporter for NGINX and NGINX Plus

Benchmarks of JavaScript Package Managers

⏰ Day.js 2kB immutable date-time library alternative to Moment.js with the same modern API

Create GraphQL schema and resolvers with TypeScript, using classes and decorators!

Build forms in React, without the tears 😭

GraphiQL & the GraphQL LSP Reference Ecosystem for building browser & IDE tools.

A compiler that converts React-compatible codes to VanillaJS with no Virtual DOM

Node.js middleware for handling `multipart/form-data`.