Open Source Development & DevOps Software
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.
LinkAce
LinkAce is a free and open-source, self hosted archive to store and organize links of your favorite websites. It allows you to host your own service where you can store links and search though them and categorize them with the helpd of tags and lists. LinkAce also provides automated backups and monitoring of your self hosted service.
RabbitMQ
With RabbitMQ your applications gets a common platform to send and receive messages, and your messages a safe place to live until received. Allowing your application to handle long-running or blocking tasks, and respond quickly to requests instead of being forced to perform computationally intensive tasks on the spot. The software is developed and released as open-source and is currently the most widley used free and open-source message-broker. Commercial, enterprise releases of RabbitMQ is also avalible for a subscription fee.
Flyway
Flyway provides open source, enterpise-grade version control for your database. By allowing your application to have a robust schema evulotion across all your environments, you can restasured that your applications are built safer and faster. With Flyway you can manage your database with plain old SQL and perform migrations for advanced data transformations and handling with LOBs and drop all tables, views, triggers, and more from a schema without dropping the schema itself. Flyway also integraties with cloud database provides and third-party hosting platforms such as Amazon RDS, Microsoft SQL Azure, Google Cloud SQL, Heroku, and more.
OpenTSDB
OpenTSDB is a free and open-source distributed, scalable Time Series Database written on top of Apache HBase. OpenTSDB was designed to address a common need: store, index and serve metrics collected from computer systems such as network gear, operating systems and applications, at a large scale, and make this data easily accessible and graphable. OpenTSDB allows you to collect thousands of metrics from tens of thousands of hosts and applications, at a high rate and will never delete or downsample data and can easily store hundreds of billions of data points.
Turbolinks
Turbolinks is a JavaScript library that intercepts all clicks on <a href> links to the same domain. When you click an eligible link, Turbolinks prevents the browser from following it. Instead, Turbolinks changes the browser's URL using the History API, requests the new page using XMLHttpRequest, and then renders the HTML response. Allowing you to create dynamic page loading without utilizing SPA architecture.
kodeWeave
kodeWeave is a free and open source, realtime coding playground for Markdown, HTML, CSS and Javascript. It shares many similarities with platforms like JSFiddle and JSBin, while being designed to work specifically offline across multiple devices, including mobile. If you every used JSFiddle, JSbin, Dabblet, Liveweave, CodePen, CSSdeck, CSSdesk, Tinkerbin, d3 playground, Plunker or Pastebin kodeWeave will feel familiar.