PostgreSQL

Apache Cloudberryapache/cloudberry

An advanced open-source MPP database for data warehousing, large-scale analytics, and AI/ML workloads.

pglogical2ndQuadrant/pglogical

A logical replication extension for PostgreSQL that enables high-performance, cross-version data replication and upgrades.

pg-utilsdataegret/pg-utils

A collection of SQL utilities for PostgreSQL database administration, monitoring, and performance analysis.

jumpstart(excid3)excid3/jumpstart

A Rails template that jumpstarts new applications with authentication, admin panels, and modern tooling pre-configured.

DatabaseConsistencydjezzzl/database_consistency

A Ruby gem that detects inconsistencies between ActiveRecord models and database schema to prevent data issues.

Briefkastenndom91/briefkasten

A self-hosted bookmarking application with automatic metadata extraction, organization, and browser extension support.

Rauthysebadob/rauthy

A lightweight, secure, and efficient open-source Identity Provider supporting OpenID Connect, OAuth 2.0, and PAM authentication.

Uguunokonoko/uguu

A simple lightweight temporary file hosting and sharing platform with drag & drop, paste, and API upload support.

comqttwind-c/comqtt

A lightweight, high-performance, embeddable MQTT broker server written in Go, supporting distributed clusters and MQTT v3.0, v3.1.1, and v5.0.

fun_with_flagstompave/fun_with_flags

An Elixir feature flag library with multi-level storage, caching, and a web dashboard for runtime toggles.

hexpmhexpm/hexpm

API server and website for Hex, the package manager for the Erlang ecosystem.

eventstoreslashdotdash/eventstore

An Elixir event store with PostgreSQL persistence, supporting clustering, subscriptions, and ACID compliance.

pgTAPtheory/pgtap

A comprehensive unit testing framework for PostgreSQL that emits TAP-compatible output for database testing.

fiber-go-templatecreate-go-app/fiber-go-template

A production-ready Go backend template using the Fiber web framework, designed for fast development with zero memory allocation.

docker-railsledermann/docker-rails

A production-ready Rails 7 demo application with Docker, featuring ActionCable, OpenSearch, Sidekiq, and a multi-container architecture.

GraphpostgresQLsolidsnack/GraphpostgresQL

A GraphQL interface for PostgreSQL that automatically generates SQL queries from GraphQL syntax using table introspection.

bakerydemowagtail/bakerydemo

A comprehensive demonstration project showcasing Wagtail CMS features, designed as a learning resource for developers.

rails-template(mattbrictson)mattbrictson/rails-template

A Rails 7 application template with best-practices, pre-configured gems, and optional Vite support.

goappnaughtygopher/goapp

An opinionated guideline for structuring and developing Go web applications/services following DDD and Clean Architecture principles.

pg_shardcitusdata/pg_shard

A PostgreSQL extension for distributing and sharding tables across multiple servers to scale write performance.

hoursdefactosoftware/hours

A dead simple project-based time tracking application for teams to register hours with categories and tags.

fossologyfossology/fossology

An open-source license compliance software system and toolkit for scanning licenses, copyrights, and export controls.

WorkflowEngine.NEToptimajet/WorkflowEngine.NET

A .NET workflow engine component that adds customizable workflow capabilities to applications, supporting SQL/NoSQL databases and runtime process scheme generation.

BitcoinABEbitcoin-abe/bitcoin-abe

A free block chain browser for Bitcoin and similar cryptocurrencies, providing a web interface to explore transaction data.

Tottempoulainv/tottem

An open-source bookmark manager that combines personal productivity tools with social media features for content curation and sharing.

honeypotsqeeqbox/honeypots

A Python package with 30 low-high level honeypots for monitoring network traffic, bots, and credential attacks.

Nakadizalando/nakadi

A distributed event bus broker providing a RESTful API abstraction over Kafka-like queues for real-time data streaming.

GanymedeZibbp/ganymede

A self-hosted platform for archiving Twitch VODs and live streams with real-time chat playback and rendered chat files.

textaculartextacular/textacular

A Ruby gem that exposes PostgreSQL's full-text search capabilities to ActiveRecord with simple search scopes.

Agency OSdirectus-community/agency-os

An open-source operating system for digital agencies, combining a Nuxt 3 frontend with a Directus backend for website, CRM, and client portal.

Lockphp-lock/lock

A PHP library for serialized execution of critical code in concurrent situations using various lock backends.

activerecord-postgis-adapterrgeo/activerecord-postgis-adapter

An ActiveRecord connection adapter that adds PostGIS spatial database support to Ruby on Rails applications.

sourcifyethereum/sourcify

An open-source service for verifying Ethereum smart contract source code, supporting Solidity and Vyper.

Conjurcyberark/conjur

An open-source secrets management and machine identity solution for securing privileged access in modern infrastructure.

real world example appgothinkster/elixir-phoenix-realworld-example-app

A fully-featured real-world backend application built with Elixir and Phoenix, implementing the RealWorld API specification.

Mixcore CMSmixcore/mix.core

An open-source enterprise web CMS built on ASP.NET Core, supporting headless and decoupled architectures with customizable APIs.