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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 Revolutionizing Social Dynamics: How AgentSociety Transforms AI Simulations

Jayant Harilela

Aug 1

Revolutionizing Social Dynamics: How AgentSociety Transforms AI Simulations

#ray #llms #opensource #aiframework

10 min read

Cover image for Stop Wasting Time on Boilerplate: Start Any Node.js Project in Seconds

BrunoMagno

Aug 10

Stop Wasting Time on Boilerplate: Start Any Node.js Project in Seconds

#node #resources #opensource #webdev

2 min read

Cover image for Pivoting from Auth0 to PHP Symfony

Browsely

Aug 20

Pivoting from Auth0 to PHP Symfony

#php #webdev #productivity #opensource

4 min read

Cover image for 🛠️ How I Migrated Data from Solr to Elasticsearch Using Python

Jul 28

🛠️ How I Migrated Data from Solr to Elasticsearch Using Python

#elasticsearch #devops #python #opensource

3 min read

Cover image for LWRE: A Lightweight Java Rule Engine for Scalable, Dynamic Business Logic

Jul 28

LWRE: A Lightweight Java Rule Engine for Scalable, Dynamic Business Logic

#java #dsl #ruleengine #opensource

4 min read

Khaled

Jul 28

We just Open Sourced NeuralAgent: The AI Agent That Lives On Your Desktop and Uses It Like You Do!

#ai #opensource

1 min read

Cover image for My open‑source portfolio with blog, projects showcase, and other features (React 19 + TanStack Start)

Aug 10

My open‑source portfolio with blog, projects showcase, and other features (React 19 + TanStack Start)

#react #javascript #opensource

1 min read

Cover image for A Personal Journey - Building My Own AI OS

Jay

Aug 20

A Personal Journey - Building My Own AI OS

#linux #opensource #ai #programming

2 min read

Jul 27

YINI Parser Hits Beta - Human-Friendly, Modern Config Format with Minimal Syntax Noise

#showdev #node #opensource #tooling

2 min read

Jul 27

🚀 Conecte-se e Explore Meu Mundo Dev no GitHub!

#webdev #opensource #github #programming

2 min read

Anis Anas

Jul 28

TrapDaemon Multi protocol Honeypot

#javascript #beginners #opensource #typescript

1 min read

lucafabbri

Jul 31

Concordia: The Open-Source .NET Mediator You’ve Been Waiting For

#cqrs #mediator #opensource #mediatr

9 min read

Cover image for Developer Tooling #005

Aug 19

Developer Tooling #005

#webdev #opensource #github #productivity

1 min read

Jul 31

🚀 Hey Developers & Tech Enthusiasts!

#github #python #django #opensource

1 min read

Pavel

Jul 31

My LLM Was a Terrible Co-Pilot, So I Built It a Better Cockpit: Introducing AxleLLM

#ai #opensource #node #javascript

4 min read

Cover image for 🐱 Schrödinger’s Index: It Only Exists When You Observe It and Only the Way You Observe It – in the HydrAIDE Engine

Peter Gebri for HydrAIDE

Aug 9

🐱 Schrödinger’s Index: It Only Exists When You Observe It and Only the Way You Observe It – in the HydrAIDE Engine

#go #database #opensource #webdev

3 min read

Cover image for ✨ Want to make your first PR?

Jul 26

✨ Want to make your first PR?

#beginners #cpp #opensource #webdev

5 min read

Cover image for Level Up Your Website with Malware Detection 🔥

Tommaso Bertocchi

Jul 30

Level Up Your Website with Malware Detection 🔥

#webdev #javascript #programming #opensource

2 min read

Cover image for ¿Qué es el Criptoanarquismo y por qué debería importarte como desarrollador?

ToufiQ

Jul 30

¿Qué es el Criptoanarquismo y por qué debería importarte como desarrollador?

#privacidad #web3 #opensource #blockchain

2 min read

Praveen

Jul 26

Format, Validate and Beautify JSON Instantly — Introducing Quick JSON

#webdev #programming #javascript #opensource

2 min read

Cover image for 🧠OrKA-Reasoning: How Workflow Execution Really Works

Mak Sò

Aug 29

🧠OrKA-Reasoning: How Workflow Execution Really Works

#ai #rag #programming #opensource

4 min read

Cover image for The Agency Developer's Dilemma: Building vs. Buying Project Management Solutions

Pratham naik for Teamcamp

Aug 18

The Agency Developer's Dilemma: Building vs. Buying Project Management Solutions

#webdev #productivity #devops #opensource

7 min read

Cover image for How to create a CLI tool in Python

Muhammed Sabith

Aug 28

How to create a CLI tool in Python

#programming #opensource #python #cli

3 min read

Cover image for Vibe Code an Agentic App in Under 7 Minutes

Nathan Tarbert for CopilotKit

Aug 26

Vibe Code an Agentic App in Under 7 Minutes

#webdev #programming #mcp #opensource

1 min read

Cover image for I built a YouTube downloader after my old favorite site became unusable

Luka Vukanović

Aug 8

I built a YouTube downloader after my old favorite site became unusable

#showdev #go #javascript #opensource

1 min read

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