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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 🪶 SaijinOS: Policy, Feedback, and Emotional Syntax (Part 3 of the SaijinOS series)

Oct 26 '25

🪶 SaijinOS: Policy, Feedback, and Emotional Syntax (Part 3 of the SaijinOS series)

#ai #opensource #aiethics #philosophy

3 min read

Oct 26 '25

Policy-Bound Personas in SaijinOS — How AI Grows Through Boundaries

#ai #opensource #aiethics #philosophy

3 min read

Cover image for Oracle vs. Google: The API Battle That Shook the Coding World

Sep 24 '25

Oracle vs. Google: The API Battle That Shook the Coding World

#programming #opensource #softwareengineering #google

3 min read

Cover image for ⚙️ Building SaijinOS — Boot Sequence and Routing Logic Part 2 of the SaijinOS Series

Oct 26 '25

⚙️ Building SaijinOS — Boot Sequence and Routing Logic Part 2 of the SaijinOS Series

#ai #opensource #machinelearning #development

3 min read

Cover image for How Temporary Email Works: A Practical Guide for Developers

Temp Mail

Oct 25 '25

How Temporary Email Works: A Practical Guide for Developers

#webdev #security #laravel #opensource

3 min read

Cover image for Hacktoberfest 2025: A Journey Through Multiple Perspectives

Hacktoberfest: Open Source Reflections

Matheus Cruvinel

Oct 25 '25

Hacktoberfest 2025: A Journey Through Multiple Perspectives

#devchallenge #hacktoberfest #opensource

3 min read

Cover image for Building cargo-sane: A Better Way to Manage Rust Dependencies

Oct 26 '25

Building cargo-sane: A Better Way to Manage Rust Dependencies

#rust #opensource #cli #tutorial

3 min read

Cover image for How You can Earn Your GitHub Certification; Lessons, Resources & the Story Behind Mona the Octocat

Oct 25 '25

How You can Earn Your GitHub Certification; Lessons, Resources & the Story Behind Mona the Octocat

#github #git #opensource

4 min read

Oct 26 '25

Building SaijinOS — Boot Sequence and Routing Logic

#ai #opensource #promptengineering #machinelearning

2 min read

Hacktoberfest: Contribution Chronicles

Anderson Yu-Hong Cai

Oct 13 '25

PR-04 at Hacktoberfest: Implementing a Domain Validator for Terraform Provider

#hacktoberfest #opensource #terraform #go

2 min read

Oct 14 '25

Looking for Feedback on my .NET library - CliInvoke

#dotnet #csharp #opensource

3 min read

Rushikesh Pundkar

Oct 1 '25

Hacktoberfest challenge prompt

#hacktoberfest #webdev #devchallenge #opensource

1 min read

DASWU

Sep 22 '25

Achieving TB-Level Aggregate Bandwidth: How JuiceFS Optimized Distributed Cache Network

#ai #opensource

7 min read

Cover image for ConfMap: Transform Your Configuration Files into Interactive Mind Maps

Sarav AK

Sep 22 '25

ConfMap: Transform Your Configuration Files into Interactive Mind Maps

#opensource #productivity #javascript #programming

2 min read

Cover image for 90 Days of Code: Day 14 - Building a Beginner-Friendly Word Scramble Game with Python

momina raheel (Moona)

Sep 22 '25

90 Days of Code: Day 14 - Building a Beginner-Friendly Word Scramble Game with Python

#programming #beginners #python #opensource

2 min read

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