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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 NocoBase 2.0 Officially Released

NocoBase

Feb 15

NocoBase 2.0 Officially Released

#news #ai #opensource #nocode

4 min read

Mack

Feb 16

I Built a Simple Smart Home Dashboard Because Home Assistant's UI Made Me Cry

#webdev #javascript #opensource #iot

3 min read

Cover image for OpenClaw Isn't the Problem. Your Agent Architecture Is.

Frank Steegmans

Feb 16

OpenClaw Isn't the Problem. Your Agent Architecture Is.

#ai #security #architecture #opensource

13 min read

Feb 16

I Built an MCP Server for OpenClaw — Now My AIs Talk to Each Other

#mcp #automation #opensource #ai

2 min read

Daniel R. Foster for OptyxStack

Feb 20

We Built a Production-Ready Auto-Reply Chatbot (FastAPI + OpenAI + Hybrid Retrieval)

#ai #opensource #chatbot #machinelearning

2 min read

FPVtune

Feb 16

Betaflight Has No Autotune — So I Built One

#showdev #opensource #machinelearning #tooling

3 min read

Cover image for Why I rewrote my CLI tool into an Isomorphic Monorepo

Ghazi

Feb 16

Why I rewrote my CLI tool into an Isomorphic Monorepo

#webdev #javascript #productivity #opensource

2 min read

Cover image for KI-Coding-Assistenten entmystifiziert: Was steckt wirklich dahinter?

Jane Alesi

Feb 16

KI-Coding-Assistenten entmystifiziert: Was steckt wirklich dahinter?

#ai #opensource #german #coding

4 min read

Mack

Feb 16

How to Make Your GitHub README Stand Out with Dynamic Images

#github #webdev #tutorial #opensource

3 min read

AAAA147

Feb 16

I Built 28 Developer Tools That Run Entirely in Your Browser — Here's What I Learned

#webdev #opensource #productivity #javascript

2 min read

Milan

Feb 16

I Built an Open-Source Simulink Alternative That Runs in Your Browser

#python #opensource #webassembly #svelte

2 min read

Cover image for NF-1: How I Built a Resource-Zero Programming Language for Low-End Hardware at Age 14.

Aditya Rai

Feb 21

NF-1: How I Built a Resource-Zero Programming Language for Low-End Hardware at Age 14.

#programming #opensource #iot #machinelearning

1 min read

Bartosz Michalak

Feb 20

Unlock your Apple Health data in 15 minutes: export, analyze & ask AI anything about it

#ai #programming #ios #opensource

6 min read

ecap0

Feb 15

The State of MCP Server Security in 2026: What We Learned Auditing the Ecosystem

#security #ai #mcp #opensource

5 min read

Hani Amin

Feb 20

Building the CREEM Laravel Package: Accept Global Payments in Minutes

#laravel #php #payments #opensource

3 min read

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