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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 two-part routine that helps me code, write, and actually finish stuff

<devtips/>

Aug 28

The two-part routine that helps me code, write, and actually finish stuff

#webdev #programming #ai #opensource

28 min read

ByteKnight

Aug 28

🛡 CrowdSec: Open‑Source, Crowd‑Powered Defense

#opensource #security #multiplatform #cybersecurity

1 min read

Cover image for How Kilo Code launched on Product Hunt

fmerian

Sep 29

How Kilo Code launched on Product Hunt

#showdev #opensource #ai #startup

2 min read

Cover image for A change in vision | Building Stocksimpy (Devlog 4)

Aug 27

A change in vision | Building Stocksimpy (Devlog 4)

#programming #python #opensource #learning

3 min read

Patryk Zdunowski

Aug 28

What do you think about the open source condition in 2025?

#discuss #opensource #programming

1 min read

Cover image for Android Kiosk Mode Explained in Simple Steps

Aug 28

Android Kiosk Mode Explained in Simple Steps

#android #security #opensource #tutorial

5 min read

Sep 10

You ever defined a constant with value `1 << 2`?

#opensource #bitshift #ripple #constants

2 min read

Leanid Herasimau

Oct 3

Open-source project FlareProx presented — a Cloudflare proxy for web scraping and pentesting

#serverless #opensource #cybersecurity #tooling

2 min read

Cover image for Hacktoberfest 2025: New Devs, Let's Build Something Awesome with 'Developer's Toolkit'! ✨

Sep 29

Hacktoberfest 2025: New Devs, Let's Build Something Awesome with 'Developer's Toolkit'! ✨

#hacktoberfest #opensource #webdev

2 min read

Cover image for CPF3: Why Your Security Stack is Missing the Human Brain (and How to Fix It)

kaolay

Aug 27

CPF3: Why Your Security Stack is Missing the Human Brain (and How to Fix It)

#cybersecurity #psychology #opensource

4 min read

Cover image for Simple Guide to Setting Up Git and GitHub

Mohammad Shahzeb Alam

Aug 27

Simple Guide to Setting Up Git and GitHub

#git #github #opensource #webdev

2 min read

Cover image for Git Exposed!

Arma Sahar

Sep 30

Git Exposed!

#coding #opensource #webdev #beginners

5 min read

nyaomaru

Sep 30

Introducing `divider`: A Handy Utility to Split Strings and Arrays ✂️

#typescript #javascript #opensource #util

4 min read

Cover image for The Silent Threat of Overusing Libraries in Programming

Dark Tech Insights

Aug 27

The Silent Threat of Overusing Libraries in Programming

#programming #softwaredevelopment #codequality #opensource

3 min read

Cover image for How I’m Using Bitcoin Red Envelopes to Onboard New Users

Aug 27

How I’m Using Bitcoin Red Envelopes to Onboard New Users

#bitcoin #opensource #sideprojects #webdev

1 min read

Aug 27

5-Day Stateful Agent (Open Source) 🚀

#agentaichallenge #langgraph #langchain #opensource

1 min read

Nazwa Shabrina Zain

Aug 29

Bahasa Pemrograman yang Mudah Dipahami Adalah Earl

#programming #ai #opensource #learning

2 min read

Aug 27

generateTraceId function in Motia codebase.

#backend #opensource #observability

2 min read

Aug 27

`handlebars` package in Puck codebase.

#handlebars #opensource

2 min read

Agustin V. Startari

Sep 19

The Hidden Empire of AI Grammar: Power Without Politicians

#ai #devops #react #opensource

3 min read

Cover image for Why Whisper Failed and How Waku is Building the Future of Web3 Communication

Abdul-Qawi Laniyan

Sep 15

Why Whisper Failed and How Waku is Building the Future of Web3 Communication

#web3 #blockchain #tutorial #opensource

4 min read

Telemetry Harbor

Aug 27

We Built It, Then We Freed It: Telemetry Harbor Goes Open Source

#programming #opensource #telemetry #saas

5 min read

Cover image for How The iframe Tag Changed The World 🔥

Oct 14

How The iframe Tag Changed The World 🔥

#webdev #javascript #programming #opensource

3 min read

Cover image for ⭐ Every Star Matters ⭐ - Celebrating Our 25th!

Patryk Zdunowski

Aug 27

⭐ Every Star Matters ⭐ - Celebrating Our 25th!

#discuss #programming #opensource

1 min read

Sep 30

🍏 macOS Portfolio – A Fun, Desktop-Inspired Portfolio Template

#ui #portfolio #opensource #webdev

1 min read

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