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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 Beyond Hacktoberfest: Building a True Open Source Journey

Hacktoberfest: Open Source Reflections

Ayu Adiati

Oct 27

Beyond Hacktoberfest: Building a True Open Source Journey

#opensource #hacktoberfest #codenewbie #beginners

7 min read

Cover image for DNSao: Pi-hole alternative looking for tests/feedback

Oct 27

DNSao: Pi-hole alternative looking for tests/feedback

#showdev #java #opensource #selfhost

1 min read

Oct 27

Code Reading Analysis – Repomix Ignore Feature

#code #git #opensource

2 min read

Aubrey D

Oct 27

Exploring Repomix and Learning from Its Feature

#tooling #learning #llm #opensource

2 min read

ElshadHu

Oct 27

Code Analysis - Repomix

#cli #tooling #llm #opensource

2 min read

Oct 27

How I Diagnose PCs the Unconventional Way

#productivity #tutorial #opensource #softwaredevelopment

2 min read

Cover image for Contributing to Ubuntu — Day 2: When I understood the Train 🚂

Oct 27

Contributing to Ubuntu — Day 2: When I understood the Train 🚂

#ubuntu #opensource #devjournal #linux

11 min read

Cover image for Introducing LinuxCommandHub: Your Free Guide to Linux Mastery

Ben-David Samuel

Oct 27

Introducing LinuxCommandHub: Your Free Guide to Linux Mastery

#opensource #linux #cybersecurity #beginners

2 min read

Cover image for Introducing ReelTrust: What if data engineering could solve our AI deepfakes problem?

Oct 27

Introducing ReelTrust: What if data engineering could solve our AI deepfakes problem?

#ai #dataengineering #opensource

5 min read

Oct 27

New feature with token count

#programming #opensource #cli #osd600lab6

1 min read

Cover image for The First AI-Powered URL Shortener - Shrinkify

Jordan Tingling

Oct 26

The First AI-Powered URL Shortener - Shrinkify

#ai #startup #webdev #opensource

3 min read

Hacktoberfest: Contribution Chronicles

Oleksandra

Oct 27

Fixing the BouncingBall “trail” background bug

#hacktoberfest #frontend #opensource #react

2 min read

Cover image for Travel Hub – An Open-Source Community for Travel Lovers

Hacktoberfest: Maintainer Spotlight

gayathri j nair

Oct 27

Travel Hub – An Open-Source Community for Travel Lovers

#devchallenge #hacktoberfest #opensource #sideprojects

1 min read

Cover image for They grow up so fast: donating your open source project to a foundation (or: the CloudNativePG story)

Oct 27

They grow up so fast: donating your open source project to a foundation (or: the CloudNativePG story)

#linux #cncf #postgres #opensource

10 min read

Beltrán Offerrall

Oct 26

Generates Webs from Type Hints

#showdev #python #webdev #opensource

6 min read

Oct 27

Building an O'Reilly Course Downloader with Python & Selenium

#python #selenium #automation #opensource

1 min read

Cover image for A truly flexible API and agent builder's kit, with smooth devX for streaming, multimodality and integrations

Oct 27

A truly flexible API and agent builder's kit, with smooth devX for streaming, multimodality and integrations

#programming #ai #opensource #resources

4 min read

Dharam Ghevariya

Oct 26

Implementing Token Count Optimization in repo-contextr

#openai #tooling #opensource #llm

3 min read

Cover image for 🎃 My Hacktoberfest 2025 Journey: Discovering the Power of Documentation

Hacktoberfest: Open Source Reflections

MakendranG

Oct 26

🎃 My Hacktoberfest 2025 Journey: Discovering the Power of Documentation

#devchallenge #hacktoberfest #opensource

3 min read

Cover image for Building Reproducible Geospatial Pipelines: A STAC Extension with DAGs

Oct 27

Building Reproducible Geospatial Pipelines: A STAC Extension with DAGs

#data #computerscience #geospatial #opensource

3 min read

Oct 27

Created a weather app in python #python #beginners #showdev #opensource

#showdev #python #beginners #opensource

1 min read

Cover image for Runtime i18n for Angular — Signals-first, SSR-safe, and ~3 kB gzipped

Oct 27

Runtime i18n for Angular — Signals-first, SSR-safe, and ~3 kB gzipped

#angular #opensource #i18n #webdev

1 min read

Cover image for 14 AI-Powered Low-Code Platforms on GitHub Worth Watching

NocoBase

Oct 26

14 AI-Powered Low-Code Platforms on GitHub Worth Watching

#opensource #ai #lowcode #github

11 min read

Oct 27

Caddyfile in Hoppscotch codebase.

#caddyfile #hoppscotch #opensource #tls

2 min read

Cover image for My Hacktoberfest 2025 Journey: Beyond the Code 🌳

Oct 26

My Hacktoberfest 2025 Journey: Beyond the Code 🌳

#hacktoberfest2025 #opensource #techforgood #beginners

4 min read

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