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Open Source

May The Source Be With You! Articles about Open Source and Free Software as a philosophy, and its application to software development and project management.

submission guidelines

UPDATED APRIL 8, 2020

To keep this tag clean and meaningful, please ensure your post fits into at least one of the following categories:

Organizing, managing, running, or working in an Open Source project.
Open Source philosophy, licensing, and/or practical and legal topics thereof.
Advocacy and adoption of Open Source philosophy.

DO NOT use this tag if you are simply using technologies which happen to be open source.

You should NOT use this tag for any of the following:

Promoting open source projects, such as feature lists or announcements. (Use #news or Listings.)
Contributor requests. (Use #contributorswanted or Listings.)
Tutorials/articles that happen to use an open source tool. (Use appropriate technology tags.)
Showing off something you've built that happens to be open source. (Use the #showdev tag.)
Sharing lists of open source projects. (Use #githunt or the appropriate technology tags.)

Projects must comply with the Open Source Definition (see below) to legally use the term "open source".

As all "Free Software" officially complies with the standards of Open Source anyway, this tag covers both (collectively, FOSS).

about #opensource

Open Source is so much more than "you can read the code". It is formally defined by the Open Source Initiative.

"Open Source" should not be confused with the similar Free Software, which is defined by the Free Software Foundation. Generally, all Free Software is also Open Source, and the two camps often cooperate; however, the concepts are distinct! (The tags are merged here on DEV.to for simplicity, however.)

Open Source Hardware is defined and overseen by the Open Source Hardware Assocation

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Cover image for How to create a CLI tool in Python

menso core

Aug 28 '25

How to create a CLI tool in Python

#programming #opensource #python #cli

3 min read

Cover image for This embedded database runs SQL on dataframes meet DuckDB

<devtips/>

Aug 28 '25

This embedded database runs SQL on dataframes meet DuckDB

#webdev #ai #productivity #opensource

28 min read

Misha Zaslavskiy

Aug 28 '25

EDA license utilization dashboard

#cad #opensource #grafana #prometheus

1 min read

Cover image for Dynamically Switch Between Values and Functions — Without if Statements

tsuruko

Aug 28 '25

Dynamically Switch Between Values and Functions — Without if Statements

#python #opensource #triggon #library

2 min read

Cover image for Introducing jsonvx: The Most Customisable JSON Parser, Querier & Formatter for Go

Aug 28 '25

Introducing jsonvx: The Most Customisable JSON Parser, Querier & Formatter for Go

#go #json #opensource #parser

3 min read

Cover image for Vibe Code an Agentic App in Under 7 Minutes

Nathan Tarbert for CopilotKit

Aug 26 '25

Vibe Code an Agentic App in Under 7 Minutes

#webdev #programming #mcp #opensource

1 min read

Cover image for 🚀 Join the Super Productivity Remote Mini Hackathon – Win €150!

Johannes Millan

Jul 25 '25

🚀 Join the Super Productivity Remote Mini Hackathon – Win €150!

#hackathon #opensource #productivity #frotnend

2 min read

Cover image for How to learn physics easily: discover PhysicsHub.

MattQ

Aug 27 '25

How to learn physics easily: discover PhysicsHub.

#webdev #react #javascript #opensource

1 min read

Cover image for Mapstronaut: A Flexible Object-Mapping Library for JS/TS

Aug 26 '25

Mapstronaut: A Flexible Object-Mapping Library for JS/TS

#opensource #javascript #datastructures #typescript

2 min read

Cover image for 🍔 The Ultimate Burger Builder

Aug 19 '25

🍔 The Ultimate Burger Builder

#beginners #frontend #opensource #webdev

2 min read

Cover image for Introducing Textrix – An Open-Source Medium.com-Style Editor for Publishing Platforms

Jul 24 '25

Introducing Textrix – An Open-Source Medium.com-Style Editor for Publishing Platforms

#showdev #opensource #webdev #javascript

1 min read

Cover image for Microsoft is Open Sourcing Windows 11's UI Framework (WinUI 3) - Here's What Developers Need to Know

Aug 27 '25

Microsoft is Open Sourcing Windows 11's UI Framework (WinUI 3) - Here's What Developers Need to Know

#microsoft #opensource #winui #development

4 min read

Cover image for My new NPM package for cache 🚀

subhadip pahari

Aug 27 '25

My new NPM package for cache 🚀

#node #npm #redis #opensource

2 min read

Cover image for Why NGINX Still Powers the Modern Web in 2025: Part 1

Suraj

Aug 27 '25

Why NGINX Still Powers the Modern Web in 2025: Part 1

#nginx #devops #opensource #tutorial

8 min read

Aug 27 '25

Understanding WebSockets: A Beginner’s Guide to Real-Time Web Communication day 38 of system design basics

#programming #python #opensource #webdev

6 min read

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