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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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Prakash

Dec 27 '25

Open Source: A Friendly Guide for New Developers

#opensource #beginners #developers

7 min read

Dec 16 '25

Building Production-Ready Vector Search for the Browser with Rust and WebAssembly

#rust #webassembly #ai #opensource

5 min read

Sivaprasad Murali

Nov 24 '25

Vargula: Beautiful Terminal Styling Made Simple

#python #opensource #programming #tutorial

5 min read

Nov 23 '25

Releasing My First Open-Source CLI Tool: Lessons from Publishing Repository-Context-Packager

#cli #npm #opensource #tutorial

4 min read

Sivaprasad Murali

Nov 24 '25

Meet Fylex: The Smartest File Copy Tool You've Never Used (Yet)

#python #opensource #productivity #cli

2 min read

Cover image for The Future of Private AI: Secure, Cost‑Effective Small Language Models (SLMs) for Domain‑Specific Environments

Dec 28 '25

The Future of Private AI: Secure, Cost‑Effective Small Language Models (SLMs) for Domain‑Specific Environments

#ai #opensource #privacy #cybersecurity

5 min read

Cover image for Stop Writing Analytics Code. Start Defining It

Yelaman Yelmuratov

Nov 22 '25

Stop Writing Analytics Code. Start Defining It

#flutter #dart #analytics #opensource

3 min read

GitHubOpenSource

Nov 24 '25

Ditch the Cloud: The Open Source AI Tool That Transcribes Interviews Locally

#transcription #ai #opensource #whisper

3 min read

Cover image for I Built Universal AI Memory for Developers - Here's What I Learned

mamba

Nov 24 '25

I Built Universal AI Memory for Developers - Here's What I Learned

#opensource #ai #typescript #productivity

1 min read

Yogendra Prajapati

Dec 27 '25

Stop Rewriting Authentication in Node.js — I Built a Devise-Inspired Auth Kit

#node #authentication #opensource #jwt

3 min read

Cover image for I Built an Autonomous AI News Agent with LangGraph (Open Source)

Edjere Evelyn Oghenetejiri

Dec 6 '25

I Built an Autonomous AI News Agent with LangGraph (Open Source)

#ai #opensource #python #nextjs

1 min read

Cover image for Why you should always check licenses in your PHP project

Roberto B.

Dec 24 '25

Why you should always check licenses in your PHP project

#php #composer #programming #opensource

3 min read

Cover image for 🚀 PlainAid: Real-Time AI Text Simplifier Built with Elixir & Phoenix LiveView

Mohammad Ali Abdul Wahed

Dec 27 '25

🚀 PlainAid: Real-Time AI Text Simplifier Built with Elixir & Phoenix LiveView

#elixir #phoenix #ai #opensource

2 min read

Cover image for Linux Without Fanboyism: An Honest Developer’s Perspective

José David Ureña Torres

Dec 14 '25

Linux Without Fanboyism: An Honest Developer’s Perspective

#linux #programming #software #opensource

10 min read

Cover image for I Built an Autonomous AI News Agent with LangGraph (Open Source)

Edjere Evelyn Oghenetejiri

Dec 6 '25

I Built an Autonomous AI News Agent with LangGraph (Open Source)

#ai #opensource #langchain #python

1 min read

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