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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 Azure Quick Review (azqr) v2.9.0 is out!

Carlos Mendible

Sep 19 '25

Azure Quick Review (azqr) v2.9.0 is out!

#azure #azqr #devops #opensource

1 min read

Cover image for Project of the Week: Dify

Riyana Patel for PullFlow

Sep 19 '25

Project of the Week: Dify

#machinelearning #opensource #ai #devops

3 min read

Cover image for MySigMail v2 — Open-Source Email Signature Generator

Sep 19 '25

MySigMail v2 — Open-Source Email Signature Generator

#vue #opensource #webdev

2 min read

Satyam Chourasiya

Sep 19 '25

How to Validate RAG-based Chatbot Outputs: Frameworks, Tools, and Best Practices for Reliable Conversational AI

#ai #opensource #devtools #machinelearning

6 min read

CloudDefense.AI

Sep 19 '25

Shai-Hulud: a self-propagating npm worm hits @ctrl/tinycolor and dozens more packages

#news #opensource #npm #security

2 min read

Aug 16 '25

The Shit - say NO to typos

#rust #opensource #cli #shell

2 min read

Cover image for Notifuse: modern & free alternative to Mailchimp/Resend

Pierre

Sep 11 '25

Notifuse: modern & free alternative to Mailchimp/Resend

#showdev #opensource #sass #go

2 min read

Cover image for Mastering Laravel 12 Events: How to Define and Control Listener Execution Order with O(1) Complexity

Sep 19 '25

Mastering Laravel 12 Events: How to Define and Control Listener Execution Order with O(1) Complexity

#programming #tutorial #productivity #opensource

3 min read

Cover image for The MCP Registry Is Here - But Is It Already Too Late?

Leo Marsh

Sep 18 '25

The MCP Registry Is Here - But Is It Already Too Late?

#discuss #ai #mcp #opensource

3 min read

Cover image for PlugBrain: The open-source app helping you take back control of your screen time

Mohammed Said Belaid

Sep 18 '25

PlugBrain: The open-source app helping you take back control of your screen time

#opensource #androiddev #productivity #kotlin

2 min read

Cover image for Why Whisper Failed and How Waku is Building the Future of Web3 Communication

Abdul-Qawi Laniyan

Sep 15 '25

Why Whisper Failed and How Waku is Building the Future of Web3 Communication

#web3 #blockchain #tutorial #opensource

4 min read

Shrijith Venkatramana

Sep 18 '25

Postfix vs. Dovecot: Key Differences for Building Email Systems

#programming #productivity #devops #opensource

6 min read

Cover image for Building SW: Lessons from the Backend

Ryan B

Sep 18 '25

Building SW: Lessons from the Backend

#go #opensource #webdev #sql

8 min read

Sep 19 '25

How I Created a Live Online Demo for A GitHub Repo in 5 Minutes

#ai #github #opensource #sandbox

5 min read

Samyak

Sep 18 '25

Introducing: Clips Open-Source AI Clipping Tool for Every Creator

#showdev #tooling #ai #opensource

3 min read

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