API definition, resources and reference implementation of URL Frontiers

A scalable, mature and versatile web crawler based on Apache Storm

A distributed, fast open-source graph database featuring horizontal scalability and high availability

Queries to mesure statistical bloat in indexes and tables for PostgreSQL

Ehcache 3.x line

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…

Simple and flexible, css only, content placeholder loading animation. https://zalog.github.io/placeholder-loading/

A Java library for zip files and streams

Spring Boot

Spring Data JPA extension to work with the great jQuery plugin DataTables (https://datatables.net/)

A React-based client application for Shlink

The definitive self-hosted URL shortener

Open platform to collect and prioritize feedback

Voting done simply in real-time

SimpleVote - An open-source, live updating, voting platform based on range voting.

Simple HTML5 Charts using the <canvas> tag

Blazing fast and lightweight autocomplete widget without dependencies. Only 1KB gzipped. Demo:

jOOQ is the best way to write SQL in Java

HTML Compressor and Minifier, can be used standalone and as a Java library

🐠 Beats - Lightweight shippers for Elasticsearch & Logstash

A tool for exploring each layer in a docker image

HtmlUnit is a "GUI-Less browser for Java programs".

A collection of useful little scripts for database analysis and administration, created by our team at PostgreSQL Experts.

A small program to detect gibberish using a Markov Chain

Log viewer focused on developers work

A modern URL toolset for Java. Compliant with RFC 3986.