LoopBack is an open source Node.js framework built on top of Express optimized for mobile, web, and other devices. Connect to multiple data sources, write business logic in Node.js, glue on top of your existing services and data, connect using JS, iOS & Android SDKs.

A free open source IT asset/license management system built in PHP. - Common Issues: https://snipe-it.readme.io/docs/common-issues - Getting Help: https://snipe-it.readme.io/docs/getting-help - Upgrading: https://snipe-it.readme.io/docs/upgrading

An Open Repo for the MOOC

Mono open source ECMA CLI, C# and .NET implementation.

OpenRCT2 0.2.3: "Tim the Enchanter" has been released!

https://github.com/fossasia/open-event-attendee-android

need help? or just wanna ask a question? open an issue on this repo!

https://github.com/fossasia/open-event-server

Open Source In-Memory Data Grid

Open GApps Support & Development Chat - http://opengapps.org

Orchard is a free, open source, community-focused Content Management System built on the ASP.NET MVC platform.

The Open Source Learning Record Store - https://learninglocker.net

Collect and classify android open source projects, 交流 QQ 群：(入群理由必须填写群简介问题答案)185715999

Odoo (formerly OpenERP). Open Source Apps To Grow Your Business.

Please join us at our official forum: https://forums.highfidelity.com/c/development High Fidelity is an open source virtual world platform. We are building the software with a mix of full-time developers, part time developers who are paid on worklist.net, and open source collaborators. As use of the virtual world grows, Worklist will also host paid projects run by other teams. https://worklist.net

QGIS Desktop - visit https://qgis.org

Open Event Website Generator https://github.com/fossasia/open-event-wsgen/

A distributed build system for the open source community. | This chat is not actively monitored by Travis CI employees, for Travis support please email support@travis-ci.org.

Open Event App https://github.com/fossasia/open-event

joins us at http://slack.spreecommerce.com

Open source Platform as a Service (PaaS).

PHPCI is a free and open source continuous integration tool specifically designed for PHP.

Open source scientific multidimensional image processing

Sming - Open Source framework for high efficiency native ESP8266 development

Open source Markdown editor for OS X.

Open source social sign on PHP Library. HybridAuth goal is to act as an abstract api between your application and various social apis and identities providers such as Facebook, Twitter and Google.

Sming - Open Source framework for high efficiency native ESP8266 development

Open source Python framework for creating NUI applications, running on Windows, Linux, OS X, Android and iOS

PySAL is an open source cross-platform library of spatial analysis functions written in Python. It is intended to support the development of high level applications for spatial analysis.

A free Open Source CDN for webmasters and developers

The open source framework for rapid business application development with Node.js

Open Source Cloud Hosting

EtherEx is an open source, fully transparent, next generation decentralized exchange built on Ethereum.

ASP.net Open Source ERP

An Open Source Digital Product Selling extension for Joomla! created by ThemeXpert

Open Source StatusPage.io alternative written in PHP

The collaborative open source project focused on developing a powerful, easy to use router designed for the cloud.

Functional Web Programming for F#

A free and open 3D game engine written in D.

RT-Thread is an open source real-time operating system for embedded devices from China.

Open source templating engine based on Microsoft's Razor parsing engine

An Open Source Launcher & Updater for OpenRCT2

Links to open terrain data sources for the entire world

Geppetto - Neuroscience Visualisation and Simulation Platform

Open Warehouse Management System

An open source Hacker News client for Android.

Real developer talk here | User community https://discord.gg/kuYvMQ9

A Cordova/PhoneGap plugin to open and use sqlite databases on Android/iOS/Windows Universal(8.1)/WP(7/8) with HTML5/Web SQL API

http://www.l2jdevs.org