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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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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

Johannes Millan

Oct 25 '25

Open-Source Productivity Apps in 2025: A Careful Comparison

#opensource #productivity #software

6 min read

Nikhil

Oct 20 '25

So what is Open Source Software in a Source Available Software world?

#opensource #software

8 min read

Niko

Oct 25 '25

SafeMigrations: A Rails Gem for Easy Migrations

#rails #ruby #rubygems #opensource

3 min read

Sep 22 '25

Appendix: Visual Showcase of My Jekyll Theme - Gallery Features & File Explorer Navigation

#webdev #opensource #design #ruby

2 min read

Cover image for Open Source Culture

Sep 22 '25

Open Source Culture

#opensource #beginners #tutorial #learning

2 min read

Cover image for QuickDoodle: Real-Time Drawing & Guessing Game (with AI Agents Coming Soon!) – Hacktoberfest 2025 Spotlight

Hacktoberfest: Maintainer Spotlight

MUHAMMAD USMAN AWAN

Nov 2 '25

QuickDoodle: Real-Time Drawing & Guessing Game (with AI Agents Coming Soon!) – Hacktoberfest 2025 Spotlight

#devchallenge #hacktoberfest #opensource #webdev

4 min read

Oct 22 '25

Built a Free Analytics Tool for DEV.to (Because the Dashboard Wasn't Enough)

#devto #opensource #python

5 min read

Cover image for DevTills - A Free Suite of Everyday Developer Tools (Built by a Dev, for Devs)

Danika Rathnayake

Oct 24 '25

DevTills - A Free Suite of Everyday Developer Tools (Built by a Dev, for Devs)

#productivity #opensource #webdev #devtools

1 min read

Cover image for Contributing to Ubuntu — Day 1: When I Met the ‘sl’ Train Command 🚂

Oct 24 '25

Contributing to Ubuntu — Day 1: When I Met the ‘sl’ Train Command 🚂

#ubuntu #opensource #linux #devjournal

4 min read

Cover image for Enhancing Open-Source Security & Education with AI and Gamification — OWASP BLT GSoC 2025 Highlights

Sep 26 '25

Enhancing Open-Source Security & Education with AI and Gamification — OWASP BLT GSoC 2025 Highlights

#github #opensource #ai #security

2 min read

Cover image for From Ocean Waves to Waves of Code — Part 0: Beginning the Journey

Oct 24 '25

From Ocean Waves to Waves of Code — Part 0: Beginning the Journey

#ai #opensource #devjournal #promptengineering

2 min read

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