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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 🧩 Building a sustainable collaboration stack: XWiki + OpenProject live session

Nov 3 '25

🧩 Building a sustainable collaboration stack: XWiki + OpenProject live session

#productivity #opensource #resources #tooling

1 min read

Cover image for My AI agent cost me $400 overnight, so I built pytest for agents and open-sourced it

Dec 8 '25

My AI agent cost me $400 overnight, so I built pytest for agents and open-sourced it

#ai #opensource #agents #testing

3 min read

Polliog

Dec 5 '25

Docker Compose for Production: Lessons from Deploying a Log Management Platform

#docker #devops #automation #opensource

6 min read

Nov 17 '25

Introduction to Swarm: an extensible Typescript code generation framework

#typescript #opensource #webdev #resources

6 min read

Cover image for 🤖AI for Everyone: How byLLM & A11yShape Are Redefining Inclusive Coding

Muhammad Usman Awan

Dec 7 '25

🤖AI for Everyone: How byLLM & A11yShape Are Redefining Inclusive Coding

#discuss #opensource #ai #productivity

3 min read

Cover image for JSON is Making You Lose Money!!!

Felipe Stanzani

Nov 2 '25

JSON is Making You Lose Money!!!

#programming #ai #javascript #opensource

4 min read

Cover image for I Built an Offline Git Secrets Scanner. No Cloud, No Telemetry, Just Speed

Amogetswe Mashele

Nov 3 '25

I Built an Offline Git Secrets Scanner. No Cloud, No Telemetry, Just Speed

#devops #security #python #opensource

2 min read

Hacktoberfest: Contribution Chronicles

Norbert Dejlich

Nov 2 '25

Hacktoberfest 2025

#devchallenge #hacktoberfest #opensource

1 min read

Cover image for Smart_Store API Guide: Exporting and Importing with Confidence

Emmanuel Victor

Nov 2 '25

Smart_Store API Guide: Exporting and Importing with Confidence

#cpp #architecture #productivity #opensource

3 min read

Dec 7 '25

SafeMapX — A New Universal Pattern to Eliminate Null Checks, Ternaries & String Plumbing in C#

#csharp #designpatterns #opensource #performance

2 min read

Cover image for Discover OfficeForge: Enhance Microsoft Office with Open-Source Automation

Malek

Dec 7 '25

Discover OfficeForge: Enhance Microsoft Office with Open-Source Automation

#opensource #go #software #programming

5 min read

Cover image for The Last Four PRs for 2025

Hacktoberfest: Contribution Chronicles

Nov 2 '25

The Last Four PRs for 2025

#devchallenge #hacktoberfest #opensource #json

3 min read

Cover image for Building a TI-84 Plus CE Emulator in WebAssembly: Lessons from 100% Browser-Based Calculator Emulation

Furqan

Nov 3 '25

Building a TI-84 Plus CE Emulator in WebAssembly: Lessons from 100% Browser-Based Calculator Emulation

#webassembly #webdev #opensource #javascript

5 min read

Cover image for The Last Four PRs for 2025

Hacktoberfest: Contribution Chronicles

Nov 2 '25

The Last Four PRs for 2025

#devchallenge #hacktoberfest #opensource #json

3 min read

Cover image for LitmusChaos October Highlights - Hacktoberfest, Meetups & More!

Hacktoberfest: Maintainer Spotlight

Pritesh Kiri for LitmusChaos

Nov 5 '25

LitmusChaos October Highlights - Hacktoberfest, Meetups & More!

#news #hacktoberfest #opensource

3 min read

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