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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 📰 Major Tech News: September 17, 2025

Om Shree

Sep 18

📰 Major Tech News: September 17, 2025

#news #ai #opensource #discuss

5 min read

Cover image for Hacktoberfest 2025: Share Your Open Source Projects! 🎃

Hacktoberfest: Maintainer Spotlight

Domenico Tenace for This is Learning

Oct 6

Hacktoberfest 2025: Share Your Open Source Projects! 🎃

#discuss #hacktoberfest #webdev #opensource

3 min read

Cover image for NocoBase Weekly Updates: Optimization and Bug Fixes

NocoBase

Sep 5

NocoBase Weekly Updates: Optimization and Bug Fixes

#news #opensource #lowcode #nocode

2 min read

Cover image for 🚀 I Built BusinessAdBooster — an AI Tool to Boost Small Business Visibility

shemith mohanan

Oct 8

🚀 I Built BusinessAdBooster — an AI Tool to Boost Small Business Visibility

#webdev #ai #productivity #opensource

1 min read

0xkoji

Sep 9

Hyouji (表示): Streamline Your GitHub Label Management with This Powerful CLI Tool

#github #cli #productivity #opensource

16 min read

KONI

Sep 28

Async tutoring: clarity without calls

#async #productivity #opensource #chatgpt

1 min read

Oct 7

Baseline - ported to Go

#go #opensource #git #cli

2 min read

Cover image for Why Success Favors Action and How This Relates to AI

Sep 8

Why Success Favors Action and How This Relates to AI

#ai #community #llm #opensource

2 min read

Chethan

Sep 4

Understanding Linux Permissions: A Beginner-Friendly Guide for DevOps 🚀

#devops #linux #learning #opensource

2 min read

Cover image for Why I Built Things-Kit: A Spring Boot Alternative for Go

Avicienna Ulhaq

Oct 6

Why I Built Things-Kit: A Spring Boot Alternative for Go

#showdev #go #microservices #opensource

7 min read

Cover image for 🔍 SVAR React Filter: Open-Source Query Builder for React

Olga T.

Oct 7

🔍 SVAR React Filter: Open-Source Query Builder for React

#react #webdev #opensource

3 min read

euhfs

Sep 4

I made a password generator, notes app, and to-do app — all open source on GitHub + hosted on my site

#programming #opensource #developer #flutter

1 min read

Cover image for MatDash Open Source Bootstrap 5 Admin Dashboard Template

Sep 9

MatDash Open Source Bootstrap 5 Admin Dashboard Template

#webdev #bootstrap #opensource #html

2 min read

Cover image for Continuity Frame Marker™ — the invisible glue of AI video.

Toby Bell

Sep 18

Continuity Frame Marker™ — the invisible glue of AI video.

#ai #opensource

1 min read

Sep 17

🕒 Per-Thread Timers: Areg vs Qt vs POCO

#programming #cpp #opensource #learning

2 min read

Cover image for Elasticsearch: 15 years of indexing it all, finding what matters

Philipp Krenn for Elastic

Sep 5

Elasticsearch: 15 years of indexing it all, finding what matters

#elasticsearch #kibana #opensource

5 min read

howard hua

Sep 4

Wplace 63/64-color palette — free download (HEX & GPL)

#design #pixelart #resources #opensource

1 min read

Jessica Temporal

Sep 8

Primeiro fim de semana de preptember 2025

#preptember #hacktoberfest #opensource #git

3 min read

Cover image for Join Our Hacktoberfest Celebration and Contribute to Our Programming Blog, again!

Hacktoberfest: Maintainer Spotlight

Abhay

Oct 2

Join Our Hacktoberfest Celebration and Contribute to Our Programming Blog, again!

#hacktoberfest #hack25maintainer #opensource

2 min read

Sebastian Rodrigo ARCE BRACAMONTE

Sep 17

Applying Semgrep SAST to Any Application

#tooling #devops #opensource #security

3 min read

Shrijith Venkatramana

Sep 17

Git Notes Unraveled: History, Mechanics, and Practical Uses

#programming #beginners #devops #opensource

5 min read

Hacktoberfest: Open Source Reflections

fmerian

Oct 1

Supporting open-source projects on Product Hunt

#showdev #opensource #hacktoberfest #devchallenge

2 min read

Sep 4

Inflate - Next level compression,straight from the terminal!

#programming #python #cli #opensource

1 min read

Cover image for Sushify - A New Free & Essential Tool For AI App Developers

Sep 6

Sushify - A New Free & Essential Tool For AI App Developers

#ai #opensource #tutorial

4 min read

ElshadHu

Sep 3

My Open Source Journey Begins with GitHub & Magic Enum

#opensource #gith #cpp #learning

2 min read

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