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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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Sep 18 '25

PostHog configuration in Codebuff codebase.

#posthog #opensource #codebuff #analytics

3 min read

Sharon

Sep 18 '25

The Hacker’s Playbook vs. SafeLine WAF: Who Wins?

#safeline #cybersecurity #opensource #waf

2 min read

Sep 18 '25

My experience in building the CLI tool

#opensource #githubprojects #llm

2 min read

Cover image for Day 11 of #90DaysOfCode – Python Name Generator 🎉

momina raheel (Moona)

Sep 19 '25

Day 11 of #90DaysOfCode – Python Name Generator 🎉

#programming #beginners #python #opensource

1 min read

Oleksandra

Oct 21 '25

Understanding the Repomix Compress Feature

#opensource #tooling #learning #devjournal

2 min read

Cover image for 🚀 Join Hacktoberfest 2025: Contribute to Our DSA Code Repository!

Sep 18 '25

🚀 Join Hacktoberfest 2025: Contribute to Our DSA Code Repository!

#hacktoberfest2025 #opensource #dsa #programming

3 min read

Sep 18 '25

Use PVS-Studio to analyze open-source projects

#opensource #cicd #yaml #programming

5 min read

Trent Best

Oct 9 '25

FSM_API: The Pure C# Core That Decouples Your Logic from Any Engine

#csharp #api #designpatterns #opensource

3 min read

Cover image for From First Issue to Merged PR: My Journey Contributing to Spring AI

Hacktoberfest: Contribution Chronicles

William

Oct 19 '25

From First Issue to Merged PR: My Journey Contributing to Spring AI

#beginners #opensource #ai #hacktoberfest

3 min read

Oct 21 '25

GenesisDB Community Edition: Open Access to a Modern Event-Sourcing Database

#news #database #opensource

1 min read

Oct 20 '25

The Beginner's Guide to Hacktoberfest: Your First Open Source Adventure

#hacktoberfest #opensource #webdev

7 min read

Cover image for Building Spark Slider: From AI Startup to Open Source

Asher Buk

Oct 20 '25

Building Spark Slider: From AI Startup to Open Source

#webdev #opensource #react #typescript

2 min read

Cover image for The First AI-Powered URL Shortener - Shrinkify

Jordan Tingling

Oct 26 '25

The First AI-Powered URL Shortener - Shrinkify

#ai #startup #webdev #opensource

3 min read

Sep 17 '25

`rageDetectors` in Codebuff codebase.

#codebuff #detector #opensource #sockets

3 min read

Cover image for I Built DevSheets.io - A Modern Cheat Sheet Site for Developers (And Why We Still Need Them)

Oct 13 '25

I Built DevSheets.io - A Modern Cheat Sheet Site for Developers (And Why We Still Need Them)

#showdev #webdev #productivity #opensource

3 min read

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