Open Source Network Management Software
ZPanel
ZPanel is a free web hosting control panel for macOS, Linux and Windows-based servers. With ZPanel it's easy to manage your server for web hosting related tasks such as setting up server environments, managing DNS reccords and configuring SMTP. The software is written in PHP and released as open source software under the GNU General Public License 3.0.
GNUnet
Help build the internet of tomorrow with GNUnet. It's a software framework for fully decentralized, peer-to-peer networking that offers link encryption, peer discovery, resource allocation, and secure communication. The goal of the project is to replace the old insecure Internet protocol stack. GNUnet includes a fully decentralized DNS (Domain Name System) that utilize a directed graph instead of the hierarchical system implemented today. It also has it's own identity system re:claimID, a decentralized Identity Platform that is baked into GNUnet.
Rancher
Rancher enables organizations to easily run containers in production. It is a complete free and open-source software stack for teams adopting containers. With Rancher, you no longer have to build a container services platform from scratch by combining various open source technologies. Rancher addresses the operational and security challenges of managing multiple Kubernetes clusters, while providing DevOps teams with integrated tools for running containerized workloads.
Webmin
Webmin is a web-based interface for system administration tool for Unix-like systems. You can use Webmin in any modern browser to setup and manage& user accounts, Apache web server, DNS configuration and alike. The software removes the mundane task of manually editing Unix configurations and allow you to easily setup hosting for applications, sites and web services.
OpenSSH
OpenSSH is a free and open-source suite of secure networking utilities. The suite provides tools for remote login with the SSH protocol. All traffic over OpenSSH is fully encrypted eliminate eavesdropping, connection hijacking, and other malicious activities by potential attackers.
Litestream
With Litestream you can stop building slow, complex, fragile software systems and use SQLite instead. Litestream continuously stream SQLite changes to S3-compatible storage. Allowing developers to build SQLite-powred application that can quickly recover to the point of failure if your server goes down. The Litestream command line also provides several subcommands to help you manage replication & recovery of your databases. This reference provides details about the options available and different modes of operation.
Cockpit Project
The Cockpit Project makes your Linux server more discoverable by providing an easy-to-use, integrated, and open web-based interface. With Cockpit you can view your server in a modern web browser and perform system tasks with mouse inputs, instead of using the terminal. Cockpit also makes it easy to start containers, administer storage, configure networks, and inspect logs.
Apache Mesos
Apache Mesos a free an open-source cluster orchestration platform. It allows you to allocate dynamic resource between applications and enables you to build fault-tolerant and elastic distributed systems. With Apache Mesos, your applications are only aware of the resources of a particular partition or machine they are running on. It also provides an abstract view of all resources used by any application in the system, where you can allocate resource, per application basis. Apache Mesos is battle-tested and industry proven to easily scale to 10,000s of nodes.
I2P
The Invisible Internet Project or I2P for short is a fully encrypted private network layer that has been developed with privacy and security by design in order to provide protection for your activity, location and your identity. I2P ships with a router that connects you to the network and applications for sharing, communicating and building a fully encrypted private network layer.
Ajenti
Anjeti is an server administration tool and control panel for server management. It provides you with a fast and secure way to manage a remote Linux box at any time using everyday tools like a web terminal, text editor, file manager and others.