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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 Apache Gravitino 1.0.0 — From Metadata Management to Contextual Engineering

Alex Yan for Datastrato

Oct 5 '25

Apache Gravitino 1.0.0 — From Metadata Management to Contextual Engineering

#dataengineering #opensource #cloud #architecture

7 min read

Hacktoberfest: Maintainer Spotlight

Oct 16 '25

Placeholder Maintainer

#hack24maintainer #opensource #hacktoberfest #codeharborhub

2 min read

Cover image for Best Practices for Prompt Engineering with goose

Lymah

Oct 15 '25

Best Practices for Prompt Engineering with goose

#goose #opensource #ai #llm

26 min read

Sep 13 '25

OSD600 #2: Let the show begin...

#opensource

5 min read

Ankit Anand ✨ for SigNoz

Oct 16 '25

A Fully Open Source APM Built For OpenTelemetry | SigNoz

#devops #monitoring #opensource #performance

9 min read

Cover image for 9 Open Source Tools to Boost Your Productivity 🔥

Oct 16 '25

9 Open Source Tools to Boost Your Productivity 🔥

#webdev #javascript #programming #opensource

4 min read

Ankit Anand ✨ for SigNoz

Oct 16 '25

OpenMetrics vs OpenTelemetry - A guide on understanding these two specifications

#devops #monitoring #opensource #sre

5 min read

Cover image for Why Copilots Are the New Shadow IT

Oct 15 '25

Why Copilots Are the New Shadow IT

#ai #opensource #leadership #productivity

3 min read

Sep 13 '25

OSD600 – Lab 1: Reviewing Code

#opensource #github

2 min read

Kyle Homen

Sep 13 '25

OSD600 Lab 1

#testing #learning #opensource #devjournal

3 min read

Tajudeen Abdulgafar

Sep 13 '25

Peer Review

#opensource #python #typescript

2 min read

@arthurdevfrontend

Sep 26 '25

Mini Web Socket

#javascript #websocket #opensource #node

1 min read

Oct 15 '25

Building High-Performance Secp256k1 ECDSA for PHP: 2,987 Faster

#webdev #programming #opensource #php

3 min read

Sep 12 '25

ApexEloquent v1.0 – An Apex ORM Framework with True DB-Free Unit Testing

#testing #opensource #salesforce #apex

1 min read

DenisC

Sep 13 '25

Peer Review on Open Source Projects

#programming #opensource #beginners

2 min read

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