Free Software for Self-Hosted
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.
Redbean
Redbean is an open source web server in a zip executable that runs on six operating systems. the web server embeds Lua, SQLite, and MbedTLS into a fork() driven application server that benchmarks at 1.1 million qps on a personal computer.
Apache Camel
Apache Camel is an open-source integration framework that empowers you to quickly and easily integrate various systems consuming or producing data.
Tornado
A free and open-source web framework and asynchronous networking library written in Python. Tornado was originally developed at FriendFeed, and is using a non-blocking network I/O that can be used to scale applications to tens of thousands of concurrent connection. Tornado is a great framework for applications that require long-lived connections between users, and for WebSockets or long polling.
Actix.rs
A powerful, pragmatic, and extremely fast web framework for Rust. With Actix.rs you can forget about stringly typed objects, from request to response, everything has types. Actix provides a lot of features out of box. HTTP/2, logging, etc and is easily extensible. Allowing you to create your own libraries that any Actix application can use.
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.
Deployd
Deployd is a free and open-source web development tool for Node.js that makes building APIs simple by providing important ready-made functionality out-of-the-box. Features provided by Deployd can demands of complex applications and can be further customized with JavaScript Events.
Dark Star
Dark Star is a web framework that provides filesystem routing for Starlette and first-class support for server-side rendering. The web framework's routes are defined by their filesystem path and both the route's backend code and template are contained in the first page. Dark Star aims to provide an easy way to create web applications using the HATEOAS and HDA philosophies favoured by htmx. It also aims to reduce the boilerplate code normally needed when creating web apps. In particular, it looks to reduce the need of having a separate files for view functions and templates. It tries to embrace Locality of Behaviour by putting the view function code and template in the same file, and having the file's path be the route used by Starlette to access the code.
Pyramid
Pyramid is a web framework written in Python that makes it easy to write applications for the web. With Pyramid, you can start small and finish big. Pyramid offers many features suited for writing both simple and complex software, while providing clear structure as your application grows. Since 1995, the Pyramid team has stayed devoted to professional craftmenship with a deep commitment to quality, which is seen throughout the Pyramid framework and the developer experience and workflow it provide for developers. Pyramid is released free and open-source under the Zope Public License (ZPL) Version 2.1.