is low code bpm platform, which is easy to install and easy to use
Development Platform for Web and Mobile Applications
Concise spatial query and representation system (c-squares)
Open-source plugins included in the distribution of IntelliJ IDEA
A batteries included NodeJS API Kickstater focused on extensability
.NET, PowerShell, SQL, Java, Perl, and Javascript developer libraries
Myth Framework Core Libraries (part of MythSDP)
Web development IDE in browser, supports Java, ruby, javascript...etc
PHP framework for data management apps with minimal code
Database schema tool