Frappe/ERPNext discussion. You can also join https://discuss.erpnext.com

Cosmos is an operating system "construction kit", built from the ground up around the IL2CPU compiler in C# and our home-brewed language called X#.

[NOT ACTIVELY MAINTAINED, use https://www.jetbrains.com/go/ or https://plugins.jetbrains.com/plugin/9568-go] Google Go language plugin for the Intellij Platform

Please see https://demo.rocket.chat/channel/contributors for the active community

Node.js based forum software built for the modern web

A library of modular chart components, built on D3

A ruby web server built for concurrency

An open-source social news app built with Meteor

Padrino is a full-stack ruby framework built upon Sinatra.

Multi-Dimensional charting built to work natively with crossfilter rendered with d3.js

A modern authorization server built to authenticate your users and protect your APIs

A small “isomorphic” app built with React and Fluxible

Soundnode App is the Soundcloud for desktop. Built with Electron, AngularJS and consuming Soundcloud API.

An open-source invoicing and time-tracking site built with Laravel

Fast and reliable message broker built on top of Kafka.

Refills are prepackaged patterns and components, built on top of Bourbon, Bitters, and Neat.

Igloo is a library of components built with electrolyte to be used as building blocks for an app.

Terminal-based game engine for Go, built on top of Termbox

Node Jabber Server built on node-xmpp

Bootstrap 3 components built with React

A PvP SA:MP server script built upon the SIF framework, the aim of the game is to find supplies to help you survive, either alone or in a group. The overall objective is to build a stable community and defend it from hostile players.

Event-driven OS kernel built on V8 JavaScript engine

Workflowy clone, built using Backbone.js & Socket.io

more than a live-reload server, built for efficient frontend development

Multilingual CMS built with Laravel 4.2

Orchestra is a composable shell built on top of Catel

Consider instead chatting in IRC #jasig-uportal channel on freenode. https://wiki.jasig.org/display/UPC/IRC+Channels . More active chatting happening there.

An isomorphic example built with react and alt, see readme for detailed instructions

Next Firebug generation built on top of native Firefox developer tools

Desktop Photo Management software built on top of the Gnome platform, F-Spot

The new version of droneshare - built upon DroneAPI

Tufão asynchronous web framework for C++/Qt | development and discussion | Mirror irc://irc.freenode.net/#tufao

UIMA-based text classification framework built on top of DKPro Core and DKPro Lab.

Version control your built code.

Graph database built on top of LevelUP with pattern-matching and join support. Works on both Node.js and the browsers.

A static site generator built with react and webpack.

Admin UI for CMS built on DocPad

WhereYouAt app built with Ionic Framework.

A PaaS built on top of Amazon EC2 Container Service (ECS)

Web server for Rails/Rack applications built upon JRuby::Rack and Apache Tomcat

Automated asset pipeline built on node | @normatool

reactive DOM template engine built for speed, and extensibility

Command line database backup built for Laravel. Originally forked from schickling/laravel-backup

pinbored client built with AngularJS and Node-webkit

AMD loader built on top of bit-loader

Teaspoon: A Javascript test runner built on top of Rails - use Jasmine, Mocha or QUnit in the browser or headlessly using PhantomJS or with Selenium Webdriver.

A tally counter app built with Ruby on Rails and jQuery Mobile.

A minimalistic microframework built on top of Rack.

Koldy is PHP framework built for developers who wants to build web easy, fast, scalable and secure.

Blog built with Meteor... for Capua!