Open Source Software for Self-Hosted
Apache HTTP Server
A free and open-source cross-platform web server developed by the Apache Software Foundation. The Apache HTTP Server is a continuous development effort to build an open HTTP server for modern operating systems. The web server is used by organizations, businesses and hobbyists alike, to power web-based applications.
Grafana
As the world's most popular free and open source technology for visualizing metrics, Graphana makes it easy to create a interactive dashboard for data monitoring. Grafana's designed from the ground-up for analyzing and visualizing metrics such as system CPU, memory, disk and I/O utilization. All metrics provided by connected data sources and applications can be visualized and monitored though charts, graphs, and alerts. You can also extend the core functionality of Graphana through a built-in plug-in system. Popular companies and applications like Uber, Robinhood, Nubank and others trust Graphana and its real-time visualization and monitoring capabilities.
Apache Wicket
Apache Wicket is a free and open-source, Java-based component oriented web application framwork. With Apache Wicket you can quickly create web well structured, component-based web applications. Apache Wicket is used by governments, stores, universities, cities, banks, email providers across the globe.
Memcached
Memcached is a free and open-source in-memory key-value store used for storing small chunks of data objects in dynamic memory. Most commonly, Memcached is used to speed up dynamic database-driven websites by caching data and objects in RAM to reduce the number of times an data sources needs to be fetched. Rather than querying the database for each unique request, Memcached can be used to store data from common pages in memory and speedup and improve the experience of a web application or website.
Jupyter
The Jupyter Notebook is an open-source web application that allows you to create and share documents that contain live code, equations, visualizations and narrative text. The Jupyter Notebook is primarily used in data science for data transformation and cleaning, numerical simulation, statistical modeling and machine learning.
Babel
Babel is the next generation free and open-source JavaScript compiler and toolchain. The Babel toolchain is mainly used to convert ECMAScript 2015+ code into a backwards compatible version of JavaScript to be compatible with older browser versions. Babel can transform syntax, polyfill features that are missing for your targeted environments, perform source code transformations and more.
GraphQL
A free and open-source data query and manipulation language for APIs, combined with a runtime for fulfilling queries with existing data. GraphQL makes it easy to understand and query your data and bridge the gap between frontend and backend web development. The project is openly developed by Facebook, and community around it.
Caddy
Caddy is a powerful, enterprise-ready, open-source web server written in Go. The Caddy provides automatic SSL/TLS cretificates so that your application always is served over HTTPS.
MainWP
The MainWP WordPress plugin is a free and open-source, self-hosted solution for managing multiple WordPress sites from a single dashboard. With MainWP you can manage posts and pages, controlling users, making backups and performing updates through the unified MainWP dashboard. All of which will minimize the time and cost of maintaining multiple WordPress sites.