A curated list of awesome open source workflow engines

Master programming by recreating your favorite technologies from scratch.

Ragel State Machine Compiler -- MOVED TO colm-suite

Free universal database tool and SQL client

A Slack bot that assigns blame

The java implementation of Apache Dubbo. An RPC and microservice framework.

Apache Superset is a Data Visualization and Data Exploration Platform

Apache ECharts is a powerful, interactive charting and data visualization library for browser

A universal Consistent Hash implementation in Java, which supports virtual nodes and user defined hash function

A comprehensive Domain-Driven Design example with problem space strategic analysis and various tactical patterns.

Architecture decision record (ADR) examples for software planning, IT leadership, and template documentation

Use SQL to query Elasticsearch

Interview questions

Pragmatic, balanced FP in JavaScript. @FLJSBook on twitter.

goSDL

An encoding of monads in the Java Language

Simplifies the development of creating a JPA-based data access layer.

Place recognition with WiFi fingerprints using Autoencoders and Neural Networks

NoSQL benchmark tests for documents and graphs

NoSQL benchmark tests for documents and graphs

Yahoo! Cloud Serving Benchmark

A collection of usage examples for Camunda Platform intended to get you started quickly

This project was moved to https://github.com/camunda/camunda-bpm-platform/tree/master/test-utils/assert

Flexible framework for workflow and process automation

Lightweight Execution Engine for DMN (Decision Model and Notation) written in Java.

Community Extension Helper library to visualize which parts of a BPMN process have been covered by a unit test

An easy way to get started with Scala

Project SnappyData - memory optimized analytics database, based on Apache Spark™ and Apache Geode™. Stream, Transact, Analyze, Predict in one cluster

Simple but easy backups for filesystem and mysql databases. Useful for web apps and many other things.