Free Development & DevOps Software
jEdit
jEdit is a mature programmer's text editor written in Java. The editor is released as free and open source software under the GNU General Public License version 2.0. With jEdit you can enjoy features like auto indentation and syntax highlighting for more than 200 languages. jEdit also provides a Plugin Manager that allows jEdit users to install, upgrade, and remove plugins without leaving the editor.
Apache Subversion
Apache Subversion is a versioning and revision control system (VCS) developed and maintained by the Apache Software Foundation. With Apache Subversion software developers can manage, document and organize changes to files and directories of software projects. With Subversion teams of developers can maintain the current and historical versions of a project source code with ease.
Apache Spark
Apache Spark is a free and open-source, unified analytics engine for large-scale data processing. Apache Spark achieves high performance for both batch and streaming data, using a state-of-the-art DAG scheduler, a query optimizer, and a physical execution engine. With Apache Spark, you can write application quickly in Java, Scala, Python, R, and SQL. Spark also offers over 80 high-level operators that make it easy to build parallel apps. You can run Apache Spark anywhere, as a standalone product, in the cloud or on Hadoop, Apache Mesos or Kubernetes.
Weebly
Weebly is a free website builder makes it easy to create a website, blog, or online store. Weebly provides customizable templates, domains, and easy-to-use tools for any type of business website.
TypeScript
TypeScript is a free and open-source programming language created by Microsoft. The language is a strict syntactical superset of JavaScript and redefines the way developer writes JavaScript-based web applications and software by adding optional static typing in the mix. TypeScript is designed specifically for development of large-scale applications with a need to transcompile into JavaScript.
n8n
n8n is a free and open node-based Workflow Automation Tool. n8n can be self-hosted, while also being provided as a managed sulotion at n8n.io. The software can easily be extended and integrated with popular third-party services such as Github, Slack and many more.
TiddlyWiki
TiddlyWiki is a personal wiki and a non-linear notebook that provides an interactive way to manipulate and structure data for web consumption. The free and open source application is written as an SPA (Single Page Application) with JavaScript by Jermolene. TiddlyWiki is designed from the ground up to easy to customize and re-shape depending on your use-case, while also providing tools that can be used to split up and reuse content.
Elasticsearch
Elasticsearch is an open-source, highly scalable search and analytics engine written in Java. The engine is built ontop of Apache Lucene Library and has an advanced distributed model and consistent API interface. Elasticsearch allows you to store, search, and analyze huge volumes of data quickly and in near real-time with answers provided in milliseconds. Making it perfect for building full text search, analytics store, auto completer, spell checker, and alerting engines.