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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 The evolution of AI prompting: how 4 years of research inspired my new Claude Code Skill

SpicyCode

Feb 22

The evolution of AI prompting: how 4 years of research inspired my new Claude Code Skill

#ai #opensource #promptengineering #github

2 min read

Feb 21

How to Add a Kill Switch to Your AI Agent in 5 Minutes

#ai #python #tutorial #opensource

4 min read

Cover image for Your AI Agents Need an Org Chart — But Not the Kind You Think

Philipp Enderle

Feb 20

Your AI Agents Need an Org Chart — But Not the Kind You Think

#ai #agents #architecture #opensource

7 min read

Cover image for Distro Wars 2026: Which Linux Should You Actually Use?

MD. HABIBULLAH SHARIF

Feb 22

Distro Wars 2026: Which Linux Should You Actually Use?

#beginners #linux #opensource #tutorial

9 min read

Cover image for Building Tamper-Evident Audit Trails for Algorithmic Trading: A Deep Dive into VCP v1.1

VeritasChain Standards Organization (VSO)

Jan 20

Building Tamper-Evident Audit Trails for Algorithmic Trading: A Deep Dive into VCP v1.1

#python #mql5 #fintech #opensource

18 min read

Cover image for I Reverse-Engineered a Horror Game's Logic to Build an Open Source Ending Calculator (Astro + Tailwind)

Jan 19

I Reverse-Engineered a Horror Game's Logic to Build an Open Source Ending Calculator (Astro + Tailwind)

#showdev #gamedev #opensource #webdev

2 min read

Cover image for introducing KeysAndFingers, an open source multiplayer typing racer

Ovi ren

Feb 22

introducing KeysAndFingers, an open source multiplayer typing racer

#webdev #typescript #react #opensource

2 min read

Cover image for Kitwork and My Journey as an Indie Hacker Pursuing Open-Source

Huỳnh Nhân Quốc

Jan 19

Kitwork and My Journey as an Indie Hacker Pursuing Open-Source

#kitwork #programming #opensource #automation

3 min read

Cover image for An Incredible Operations Platform - Rundeck

Sergio D. Rodríguez Inclán

Feb 1

An Incredible Operations Platform - Rundeck

#automation #devops #opensource #tooling

12 min read

Feb 22

How We Added Batch Operations and Multi-File Upload to SendRec

#go #typescript #webdev #opensource

4 min read

Cover image for The Local LLM Coding Revolution Just Started — 80B Parameters on Your Desktop, 3B Active, Zero Cloud Bills

Feb 22

The Local LLM Coding Revolution Just Started — 80B Parameters on Your Desktop, 3B Active, Zero Cloud Bills

#ai #devrel #opensource #tools

14 min read

vast cow

Jan 19

Building a “Software HSM” Workflow with SoftHSM2, OpenSC, and Python (Private Key Never Exported)

#opensource #python #security #tutorial

5 min read

Feb 22

Qwen 3.5 Review: 397B Open-Weight AI Model vs GPT-5.2, Claude, Gemini (2026)

#ai #programming #opensource #llm

5 min read

Feb 22

I Built the Only Human Design API — Here's How to Use It

#api #webdev #python #opensource

4 min read

Luis Donis

Feb 22

The Rails SaaS Architecture I Wish I Had 5 Years Ago

#ruby #rails #saas #opensource

2 min read

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