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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 Learning Through Contribution - Hacktoberfest 2025🎯

Hacktoberfest: Contribution Chronicles

Hirushi Nethmini

Oct 30 '25

Learning Through Contribution - Hacktoberfest 2025🎯

#devchallenge #hacktoberfest #opensource #beginners

2 min read

Dec 4 '25

Checking osu! and exploring features of static analyzers

#gamedev #csharp #dotnet #opensource

11 min read

Cover image for Strands Agents now speaks TypeScript: A side-by-side guide

Danilo Poccia for AWS

Dec 4 '25

Strands Agents now speaks TypeScript: A side-by-side guide

#opensource #ai #typescript #python

7 min read

Cover image for The October That Changed My Coding Journey — Hacktoberfest 2025 Story

Hacktoberfest: Open Source Reflections

Shiwans Kumar Yadav

Oct 31 '25

The October That Changed My Coding Journey — Hacktoberfest 2025 Story

#hacktoberfest #opensource #hacktoberfest2025

2 min read

Cover image for How Businesses Are Quietly Becoming Crypto-Native (And Why It’s Happening Faster Than You Think)

Emir Taner

Dec 4 '25

How Businesses Are Quietly Becoming Crypto-Native (And Why It’s Happening Faster Than You Think)

#blockchain #web3 #career #opensource

2 min read

Oct 31 '25

Open Source Contribution: CLI Project with LLM

#opensource #cli #llm #release0dot2

2 min read

Sean K

Dec 5 '25

Getting a NO from an open source maintainer

#ai #opensource

1 min read

Cover image for Standardizing Express.js Error Handling with One Library

Nse569h

Dec 5 '25

Standardizing Express.js Error Handling with One Library

#javascript #node #opensource #express

4 min read

Apache SeaTunnel

Dec 4 '25

Why Does Real-Time UPDATE Synchronization Require Two Records? A Full-Chain Breakdown in Apache SeaTunnel

#apacheseatunnel #opensource #datascience #developer

5 min read

Dec 5 '25

Giving AI a Memory: How I Built Consciousness Continuity for Claude Code

#ai #development #opensource #programming

4 min read

JPlus

Nov 5 '25

Making Java Code Null-Safe With JPlus

#linting #opensource #plugin

5 min read

Cover image for I Built an AI Memory System Because I Got Tired of Repeating Myself

Myro Productions

Dec 4 '25

I Built an AI Memory System Because I Got Tired of Repeating Myself

#ai #productivity #automation #opensource

5 min read

Hacktoberfest: Open Source Reflections

Oct 31 '25

My First Hacktoberfest Experience

#devchallenge #hacktoberfest #opensource #firststep

1 min read

Cover image for LLMR: Because AIs Shouldn't Have to Parse Your Bootstrap Navbar 50 Times

Oct 30 '25

LLMR: Because AIs Shouldn't Have to Parse Your Bootstrap Navbar 50 Times

#webdev #ai #opensource #python

5 min read

MileyFu

Dec 5 '25

Building an Open Source Voice AI Agent in Rust: November Devlog- Dynamic Prompts & Firmware UX

#devjournal #ai #opensource #rust

1 min read

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