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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 How to Build a LangGraph Support Triage Workflow with Trace Visibility

TokVera

Mar 24

How to Build a LangGraph Support Triage Workflow with Trace Visibility

#ai #python #opensource #agents

5 min read

Cover image for Everyone's Sharing Claude Code Skills. Nobody's Checking What's Inside.

Augusto Chirico

Mar 24

Everyone's Sharing Claude Code Skills. Nobody's Checking What's Inside.

#claudecode #security #ai #opensource

5 min read

Mar 28

Git et GitHub pour Débutants en 2026 : Guide Complet

#git #github #beginners #opensource

4 min read

Botánica Andina

Mar 28

I Built a Free Herb-Drug Interaction Checker — Here's What I Learned About Health Data

#webdev #opensource #health #javascript

4 min read

WAzion

Mar 24

Why Claude Code Needs Cognitive Memory — And How We Built It

#ai #claude #memory #opensource

3 min read

Subhanshu Mohan Gupta

Mar 24

I got tired of re-wiring the same boilerplate on every project so I built ForgeKit

#webdev #cli #typescript #opensource

2 min read

Cover image for How I Made Two Claude Code Instances Talk to Each Other (With JSON Files, Obviously)

Vladimir Troyanenko

Mar 28

How I Made Two Claude Code Instances Talk to Each Other (With JSON Files, Obviously)

#ai #opensource #productivity #computerscience

5 min read

Kevin

Mar 24

OpenAI Just Bought the People Who Made uv and ruff — Here's Why That's a Big Deal

#ai #python #opensource #programming

6 min read

Cover image for I got tired of rebuilding multi-step form logic from scratch, so I built FormTrek

Shane.

Mar 28

I got tired of rebuilding multi-step form logic from scratch, so I built FormTrek

#react #typescript #opensource #webdev

2 min read

Botánica Andina

Mar 28

How I Built a Health Data API With Zero Dependencies (And Why You Should Too)

#webdev #javascript #opensource #health

5 min read

Cover image for Why I Built pubm: One CLI to Publish to npm, JSR, and Beyond

Yein Sung

Mar 28

Why I Built pubm: One CLI to Publish to npm, JSR, and Beyond

#npm #node #deno #opensource

7 min read

Cover image for Converting Any JSON to Tables: Introducing jsone

MUMMAREDDY MOHAN REDDY

Mar 24

Converting Any JSON to Tables: Introducing jsone

#showdev #data #opensource #tooling

2 min read

sophiaashi

Mar 25

6 Best LLM Routers for OpenClaw in 2026

#llm #ai #opensource #devtools

6 min read

Cover image for How I Built a Dijkstra-Based Money Routing Engine with 29K Edges

inge

Mar 24

How I Built a Dijkstra-Based Money Routing Engine with 29K Edges

#showdev #algorithms #cryptocurrency #opensource

5 min read

Cover image for Why We Added a Console Notice to i18next — and Why We Removed It

Mar 28

Why We Added a Console Notice to i18next — and Why We Removed It

#i18next #webdev #opensource #javascript

4 min read

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