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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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Steven Hur

Oct 28 '25

Fixing Type Hints for Callable Objects with Custom Signatures in Dagster

#machinelearning #python #dataengineering #opensource

3 min read

Cover image for How to Implement LLM Evaluation Automation in Production

vihardev

Nov 7 '25

How to Implement LLM Evaluation Automation in Production

#ai #opensource #devops #machinelearning

2 min read

Cover image for Lessons from Working with the OpenTelemetry Collector [Part 3]

Oct 16 '25

Lessons from Working with the OpenTelemetry Collector [Part 3]

#webdev #opensource #beginners #tutorial

2 min read

Oct 15 '25

👋 Hey Dev Community! I'm Rohit — The Mind Behind CodeWithLucifer 💻

#nextjs #python #fullstack #opensource

2 min read

Cover image for Introducing Domenico Tenace Open Labs: A New Home for Open Source Innovation 🚀

Domenico Tenace for Playful Programming

Nov 19 '25

Introducing Domenico Tenace Open Labs: A New Home for Open Source Innovation 🚀

#github #opensource #beginners #learning

4 min read

Cover image for How I Trained a Next-Edit Suggestion Model for a Coding Agent (32k Github Stars)

GetPochi

Nov 19 '25

How I Trained a Next-Edit Suggestion Model for a Coding Agent (32k Github Stars)

#machinelearning #ai #opensource #architecture

4 min read

oshi-git

Nov 18 '25

Solving the 'resource_func' Mystery: How I Made Ballerina's Compiler More User-Friendly

#ballerina #opensource #compiler #devrel

5 min read

Cover image for ✨ Crafting Procedural Landscapes in Godot 4: A Tool for Your Worlds! ✨

Nov 18 '25

✨ Crafting Procedural Landscapes in Godot 4: A Tool for Your Worlds! ✨

#godot #gamedev #tool #opensource

2 min read

Cover image for Building an AI Agent for Django with Zero-Token AST Intelligence: My 8-Month Journey

VebGen Official

Oct 20 '25

Building an AI Agent for Django with Zero-Token AST Intelligence: My 8-Month Journey

#python #django #ai #opensource

2 min read

Cover image for How to find an open source project to contribute to?

Oct 28 '25

How to find an open source project to contribute to?

#opensource #programming #beginners

1 min read

Cover image for REMI Evolved: Beyond the Agentic Postgres Challenge

Jramone3

Nov 19 '25

REMI Evolved: Beyond the Agentic Postgres Challenge

#postgres #opensource #audit #security

1 min read

Rogério Araújo

Nov 17 '25

deboa, a simple http client for rust

#rust #webdev #opensource #tooling

2 min read

Cover image for Puppeteer C# vs IronPDF: Best PDF Library for .NET Developers (With Code Examples)

Mohammed Ibrahim

Oct 28 '25

Puppeteer C# vs IronPDF: Best PDF Library for .NET Developers (With Code Examples)

#programming #dotnet #pdf #opensource

8 min read

Nov 18 '25

Introducing dbfuse-ai — An Open-Source, Cross-Database GUI with AI-Powered SQL (Looking for Contributors)

#ai #programming #opensource #webdev

4 min read

Hitesh Sachdeva

Nov 6 '25

How I Added Testing to share-my-repo Project and Learned a Lot

#testing #opensource #programming #pytest

2 min read

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