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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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Misha Zaslavskiy

Sep 19 '25

To buy or to build - that is the question for a CAD manager

#cad #semiconductors #opensource

4 min read

Cover image for Create a C# Windows Desktop App in 9 Lines — No Visual Studio Needed

Sep 20 '25

Create a C# Windows Desktop App in 9 Lines — No Visual Studio Needed

#dotnet #csharp #opensource #xamarinforms

2 min read

Satyam Chourasiya

Sep 20 '25

Unlocking AI Agents: Architecture, Workflows, and Pitfalls for Technical Leaders

#ai #opensource #devtools #machinelearning

5 min read

Cover image for Import your first investment CSV into Pocket Portfolio (5-minute guide)

22s Pocket Portfolio

Sep 20 '25

Import your first investment CSV into Pocket Portfolio (5-minute guide)

#showdev #opensource #webdev #fintech

1 min read

Sep 20 '25

OSD 600 - Lab 2

#cli #opensource #beginners #learning

2 min read

Cover image for 🍳 From Convex's Kitchen to OpenRouter's Gateway: My Journey Integrating 200+ AI Models into Chef

Nikoloz Turazashvili (@axrisi)

Sep 20 '25

🍳 From Convex's Kitchen to OpenRouter's Gateway: My Journey Integrating 200+ AI Models into Chef

#ai #opensource #webdev #programming

5 min read

Cover image for Apache Kafka & Amazon MSK: The Beating Heart of Real-Time Data

Kachi

Sep 20 '25

Apache Kafka & Amazon MSK: The Beating Heart of Real-Time Data

#dataengineering #architecture #opensource #aws

4 min read

Cover image for How our price fallbacks work (equities, FX, crypto) — resilient client edge design

22s Pocket Portfolio

Sep 20 '25

How our price fallbacks work (equities, FX, crypto) — resilient client edge design

#showdev #javascript #webdev #opensource

1 min read

Cover image for A FSM Challenge for the c#/DotNet Dev Community

Trent Best

Sep 19 '25

A FSM Challenge for the c#/DotNet Dev Community

#csharp #dotnet #fsm #opensource

2 min read

Cover image for Tired of complicated compilation?Integrate AeroFFmpeg with one click to make Android audio and video development easier!

cat dog (running_in_the_storm)

Sep 20 '25

Tired of complicated compilation?Integrate AeroFFmpeg with one click to make Android audio and video development easier!

#android #opensource #ffmpeg

5 min read

Steven Hur

Sep 19 '25

My First Pull Request: A Deep Dive into Open Source Contribution

#python #github #beginners #opensource

3 min read

ElshadHu

Sep 20 '25

First Pull Request

#cpp #opensource #devchallenge #learning

2 min read

Jan Küster 🔥

Sep 10 '25

Wasted Open Source efforts 😮

#opensource #productivity #python #github

4 min read

Hitesh Sachdeva

Sep 20 '25

Contributing a Code Change to an Open Source Project

#opensource #github #collaboration

3 min read

Cover image for StormQueries – A Query Builder with ORM Superpowers

Sep 18 '25

StormQueries – A Query Builder with ORM Superpowers

#php #database #querybuilder #opensource

2 min read

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