Free Web Development Software
Grav
Grav is a modern free and open source flat-file content management system. With Grav, you can publish content and build sites in a fast, flexible and simple manner with the file-based web platform. Grav requires zero installation and is just an zip archive that can be extracted to start using the CMS. Grave also comes with a powerful package management system that allow you to extend the feature set of Grav CMS. With the package management system you can install and upgrade themes and plugins written specifically for Grav. The software is written in PHP and released fully free and open-source under the MIT License.
Quanta CMS
Quanta is a free, open source Content Management Framework thought for programmers and used for the creation of new-generation websites and applications.
PhpSQLiteCMS
phpSQLiteCMS - a simple & lightweight CMS
Storyblok
A headless & API-based CMS with an opt-in head and a visual editor. With Storyblok you can manage your content through an intuitive dashboard and access that data though the content delivery API, as nested JSON. Storyblok is an open-source software and can be used as such, but is also provided as a commercially hosted, cloud rendering service. As a front-end developer you can choose to work with any template engine, framework or system of your choice.
CushyCMS
CushyCMS is a FREE hosted content management system that's actually easy to use, fast to setup and doesn't require programming skills.
Mixcore CMS
Mixcore CMS is an Open Source Enterprise ASP.NET Core / Dotnet Core CMS for building amazing digital experiences. It's made by a dedicated community. Anyone can use it, and it will always be free.
DatoCMS
Connect DatoCMS to your favorite site generator, build the perfect backend and deploy anywhere you like.
Plenti
Are you tiered of the complexity when it comes to setting up a website? A static site generator like Plenti might be your solution. Plenti is a static site generator written in Go for speed and utilize Svelte for ease of use on the frontend. With Plenti, you can ditch the headaces of maintaing a content management system and SQL databases. Plenti simply connects to your Git backend and be pushed to production using GitHub Action or Gitlab Pipelines.
PostCSS
PostCSS is a software development tool that uses JavaScript-based plugins to automate routine CSS operations. The free and open-source library was designed and written by Andrey Sitnik and the community. PostCSS is used in a multitude of web-based application across the web where it helps developer to optimize CSS and bring a better experience to end-users.