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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 💎 ANN: oauth2 v2.0.13

Peter H. Boling

Aug 30 '25

💎 ANN: oauth2 v2.0.13

#webdev #ruby #oauth #opensource

5 min read

Cover image for The Pain of Building My Own Fully-Featured Locally Hosted ChatGPT Out of Open Source Tools And a Franken Laptop

Jay

Aug 24 '25

The Pain of Building My Own Fully-Featured Locally Hosted ChatGPT Out of Open Source Tools And a Franken Laptop

#opensource #ai #linux

4 min read

Cover image for Cracking the Opus: Red Teaming Anthropic’s Giant with Promptfoo

Sep 1 '25

Cracking the Opus: Red Teaming Anthropic’s Giant with Promptfoo

#vulnerabilities #security #llm #opensource

16 min read

Cover image for 🌱 My Idea Tracker Journey with Appwrite (from “Hello World” to Hoodie!)

Abhi Varde

Aug 28 '25

🌱 My Idea Tracker Journey with Appwrite (from “Hello World” to Hoodie!)

#appwrite #webdev #opensource #buildinpublic

3 min read

Cover image for Symfony as JWT provider

Browsely

Aug 30 '25

Symfony as JWT provider

#webdev #php #opensource #programming

8 min read

Cover image for I built an Offline PDF to Image Converter (No Uploads, No Data Leaks)

Aug 31 '25

I built an Offline PDF to Image Converter (No Uploads, No Data Leaks)

#webdev #opensource #sideprojects #programming

1 min read

Aug 31 '25

Personal Dashboard — new-tab extension with dynamic backgrounds, weather, quick links & daily facts

#webdev #javascript #opensource #frontend

1 min read

Cover image for I built a bundle-saving UI tool and open-sourced it 🔥

Aug 23 '25

I built a bundle-saving UI tool and open-sourced it 🔥

#webdev #javascript #programming #opensource

1 min read

Okerew

Aug 31 '25

Introducing OD

#neovim #plugin #debugging #opensource

1 min read

Cover image for Stop Wasting Time on Boilerplate: Start Any Node.js Project in Seconds

BrunoMagno

Aug 10 '25

Stop Wasting Time on Boilerplate: Start Any Node.js Project in Seconds

#node #resources #opensource #webdev

2 min read

Aug 31 '25

Java Projects are hidden Gems

#java #go #opensource

2 min read

Aug 31 '25

🚀 jQuery.scrollPaging v1.1.0 – Infinite Scroll Made Easy

#javascript #jquery #webdev #opensource

1 min read

Aug 31 '25

Stop leaking .env files - try Secretsnap (free CLI)

#security #opensource #cli #programming

1 min read

Raimon

Aug 31 '25

Discover free online courses with certificates! 🎓✨

#certification #opensource #programming

1 min read

Cover image for How to Get a Webhook Online: A Developer's Guide

Aug 31 '25

How to Get a Webhook Online: A Developer's Guide

#webhook #node #javascript #opensource

8 min read

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