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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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GG-HRN

Sep 21 '25

First look to store manager

#webdev #programming #pwa #opensource

1 min read

Cover image for Apple Health Data Analysis with AI: Our Hackathon Story

Bartosz Michalak for Momentum

Oct 24 '25

Apple Health Data Analysis with AI: Our Hackathon Story

#hackathon #ai #mcp #opensource

10 min read

Rebecca Susan Lemke

Oct 24 '25

The Cost of Clarity: Building Libraries For Artists

#opensource #openspec #speckit #qualitycontrol

2 min read

Cover image for Find Useful Code Snippets in Seconds — For You and Your Coding Agents

Sep 22 '25

Find Useful Code Snippets in Seconds — For You and Your Coding Agents

#ai #opensource #productivity #tooling

3 min read

Kushagra Srivastava

Sep 21 '25

My Google Summer of Code Journey: Part 3

#programming #opensource #freebsd #kernel

11 min read

Cover image for Hello Community! A Self-Taught Developer and Volunteer Here to Connect

GG-HRN

Sep 21 '25

Hello Community! A Self-Taught Developer and Volunteer Here to Connect

#webdev #programming #pwa #opensource

1 min read

Cover image for CSS Art Museum: Where Creativity Meets Code 🎨 || Maintainer Spotlight

Hacktoberfest: Maintainer Spotlight

Shamli Singh yadav

Oct 31 '25

CSS Art Museum: Where Creativity Meets Code 🎨 || Maintainer Spotlight

#devchallenge #hacktoberfest #opensource

3 min read

Sopaco

Oct 25 '25

Litho + AI Programming Tools: Building Intelligent Development Ecosystem

#ai #productivity #opensource

16 min read

Cover image for 🌟 Maintainer Spotlight: Solving LeetCode Challenges in PHP — One Problem at a Time!

Hacktoberfest: Maintainer Spotlight

MD ARIFUL HAQUE

Oct 23 '25

🌟 Maintainer Spotlight: Solving LeetCode Challenges in PHP — One Problem at a Time!

#devchallenge #hacktoberfest #opensource

3 min read

Cover image for Apache Kafka & Amazon MSK: The Beating Heart of Real-Time Data

Kachi

Sep 20 '25

Apache Kafka & Amazon MSK: The Beating Heart of Real-Time Data

#dataengineering #architecture #opensource #aws

4 min read

Cover image for LitmusChaos Community Highlights - September 2025 Recap

Pritesh Kiri for LitmusChaos

Oct 23 '25

LitmusChaos Community Highlights - September 2025 Recap

#opensource #kubernetes #litmus #litmuschaos

2 min read

Sep 20 '25

Contribute to AlgoRise – Hacktoberfest 2025!

#opensource #typescript #beginners #nextjs

1 min read

Cover image for 🚀 Building Zeno – My Lightweight, Plugin-First Markdown Blog Framework

KTSHACX

Sep 20 '25

🚀 Building Zeno – My Lightweight, Plugin-First Markdown Blog Framework

#webdev #programming #javascript #opensource

1 min read

Cover image for LatamBoard: Building Open, Transparent AI Evaluation for Latin America

Oct 10 '25

LatamBoard: Building Open, Transparent AI Evaluation for Latin America

#ai #python #latam #opensource

2 min read

Satyam Chourasiya

Sep 20 '25

How to Rank at Scale: Engineering Search Systems for Millions of Users

#ai #opensource #devtools #machinelearning

6 min read

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