Open Source Software for Web
Docz
Docz is a free and open source documentation software that makes it easy to write and publish beautiful interactive documentation for your code. It allows you to create markdown files showcasing your code and Docz turns them into a live-reloading, production-ready site. Docz is powered by GatsbyJS and is highly optimized for fast build times and end-user perfomance, while also allowing you toleverage GatsbyJS's huge ecosystem of plugins and tools. The software is written in TypeScript and Docz provides native TypeScript support for TSX components and can generate documentation from your prop types and comments in your code.
Silex
With Silex you can create websites in the cloud that are based on open standards. Silex is a free and open source website builder that provides tools to build websites without writing code. Silex is suitable for professional and hobbyists alike, and is used by freelancers, agencies, hosting companies and more.
BookStack
BookStack is a free and open-source, self-hosted, easy-to-use platform for documenting, organizing and storing information. BookStack is written in PHP, on-top of the Laravel Framework and can be hosted on most web hosting platforms, VPSs and cloud instances. The software is configurable and allow you to setup BookStack for your particular user case. It allows you to change, the name, logo, theme and registration options. It also provides a page editor with a simple WYSIWYG interface that can be used to edit content by anyone. BookStack is developed as a truly free and open software and is released under the MIT license.
Kindmetrics
Kindmetrics is a strictly privacy-focused analytics tool to help you find referrers and measure good content quickly. A more excellent way to dig into your visitors without the visitors giving their data to big enterprises.
Parse
Parse is a free, open-source complete application stack that can be used to build applications faster. Parse includes object and file storage as part of the stack while also providing easy to use components for dashboard, user authentication, push notification and much more. The projects inclueds a client SDK that makes it easy to build applications for mobile, desktop or the web.
CC Search
A search engine dedicated to CC licensed images. With CC Search you can specify and filter by aspect ratio, image size, filte type and license (CC0, BY, BY-SA, BY-NC, BY-ND, BY-NC-SA, BY-NC-ND or Public Domain) to find an image specific to your usecase.
Matplotlib
Matplotlib is a free and open-source data visualization library for Python. With Matplotlib you can vizualize data in plots, charts, histograms and much more.
Vizzlo
Create high-quality charts and business graphics easily online, in PowerPoint, or Google Slides.
Twine
Twine is an open source tool for telling interactive stories. With Twine, it simple to create interactive fiction that can be displayed as web pages. Each projects starts with a blank pages that binds itself and it can bind itself along an infinite number of spines extending in any direction. Twine runs nativley on macOS, Linux and Windows machines and on the web.
Prisma
Prisma is a free and open source modern database access layer for TypeScript and Node.js. The software aims to make database access easier with an auto-generated and type-safe query builder that's tailored to your database schema. Prisma is a new take on the traditional ORMs and SQL query builders found in many frameworks and development solutions today. By providing a single access layer that works across databases and technologies Prisma creates what they believe to be the feature of database access and management. Prisma ships with the Prisma Client, a tool that makes it easy to reason about your database queries, so that you can focus on your data and application rather than complex SQL queries or ORM models. With Prisma you can create your own GraphQL or REST API that can access different types of databases including PostgreSQL, MongoDB and MySQL.