Open Source Visual Basic .NET Software for Mac

DWSIM is an open source, CAPE-OPEN compliant chemical process simulator for Windows, Linux and macOS systems. Written in VB.NET and C#, DWSIM features a comprehensive set of unit operations, advanced thermodynamic models, support for reacting systems, petroleum characterization tools and a fully-featured graphical interface. DWSIM Pro is a commercial sibling of DWSIM built on top of open-source software. It offers extended features, comes with private support, and is accessible in the cloud. Visit simulate365.com for details.

CMS gallery is the most popular photo gallery for .NET, and one of the most popular CMS of any kind with over 1 million downloads. It provides a powerful engine for uploading and managing galleries of images, with the ability to batch upload, add/delete/rearrange/ images, group galleries into albums, and more. Features: EXIF, tree structure, dynamic resize, after effect, geolocation, microdata, multi domain, multisite, multiuser, multilingual, mobile friendly, open source and totally free

The Password tools bundle is one application combining three tools - the Analyser (shows the "strength" of your password, the Generator (generates "strong" passwords) and the Manager (stores passwords securely using Rijndael).

The Open Translation Network will assist people in translating and revising any textual document. Based on P2P technology, it will allow users to request/provide the translation or the revision of virtually any textual document.

Open-Source Massive Multiplayer Online Role-Playing Game engine. Server is semi-free, open for non-commercial use. Client is free software and the content is proprietary. Rehash from a 5-year-old project, active again since august 2007.