Contributed a review of OpenVPN Community Edition - powered by TurnKey: Offers a user-friendly UI and remote access of PCs to users

Contributed a review of Cassandra: Quick data retrieval, suitable for large data, and easy to scale

Contributed a review of OpenVPN Access Server: Provides secure connections, and is scalable, but the stability can use improvement

Contributed a review of MongoDB: Easy to deploy, and stable, but is not scalable