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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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Sep 23

Missing in Modern C++: Event Synchronization Primitive — with Working Examples

#cpp #opensource #programming #multiplatform

3 min read

Sep 22

I Built a Simple Feature Flag Service Because I Was Tired of Being Afraid to Deploy

#webdev #react #opensource #programming

2 min read

Sep 22

Solving PHP's Module Coupling Problem: A Journey Into Modular Architecture

#php #opensource #webdev #architecture

5 min read

Cover image for Wörtilizer

Sep 22

Wörtilizer

#react #nextjs #tailwindcss #opensource

1 min read

Cover image for Actionpackd AI SDK: 2 Lines to Typed, Streaming AI Magic

Sep 22

Actionpackd AI SDK: 2 Lines to Typed, Streaming AI Magic

#ai #typescript #webdev #opensource

2 min read

Cooper

Sep 22

Show Your Work: devbox CLI

#opensource #productivity #containers #devops

1 min read

Cover image for How to Get More Done with AI in My Local Dev Workflow: ChatGPT vs. Continue

Anita Ihuman 🌼

Sep 22

How to Get More Done with AI in My Local Dev Workflow: ChatGPT vs. Continue

#ai #programming #opensource #webdev

5 min read

call518

Sep 22

MCP-OpenStack-Ops : MCP-Server for OpenStack Cluster

#cloud #monitoring #opensource #devops

20 min read

DASWU

Sep 22

Achieving TB-Level Aggregate Bandwidth: How JuiceFS Optimized Distributed Cache Network

#ai #opensource

7 min read

Sumit Roy

Sep 22

Zero-Downtime VM to Kubernetes Migration with Istio: A Complete Production Guide

#devops #kubernetes #cloud #opensource

6 min read

Cover image for AWS OpenSearch Full Documents Reindexing: When? Why? How?

Roman Tsypuk for AWS Community Builders

Sep 22

AWS OpenSearch Full Documents Reindexing: When? Why? How?

#database #aws #opensource #devops

5 min read

Cover image for Hello DEV — we’re building Pocket Portfolio in public

Pocket Portfolio for Pocket Portfolio

Sep 22

Hello DEV — we’re building Pocket Portfolio in public

#showdev #opensource #fintech #webdev

1 min read

Cover image for Discuss: What’s the #1 headache in portfolio tracking today?

Pocket Portfolio for Pocket Portfolio

Sep 22

Discuss: What’s the #1 headache in portfolio tracking today?

#discuss #opensource #fintech #productivity

1 min read

Cover image for Pairly.chat Weekly Update – Week #1

Sep 22

Pairly.chat Weekly Update – Week #1

#opensource #fullstack #webdev #privacy

2 min read

Cover image for How to Build an AI-Powered Code Review Bot with GitHub Action, Slack, and LLMs

cuongnp

Sep 22

How to Build an AI-Powered Code Review Bot with GitHub Action, Slack, and LLMs

#ai #devops #productivity #opensource

4 min read

Sep 22

Apache Iceberg Dev List Digest (Sept 15–19, 2025)

#dataengineering #data #opensource #learning

3 min read

Sep 22

Apache Polaris Dev List Digest (Sept 15–19, 2025)

#dataengineering #resources #data #opensource

4 min read

Cover image for ConfMap: Transform Your Configuration Files into Interactive Mind Maps

Sarav AK

Sep 22

ConfMap: Transform Your Configuration Files into Interactive Mind Maps

#opensource #productivity #javascript #programming

2 min read

Cover image for We're Joining Hacktoberfest 2025 🎉

Valery Zinchenko

Sep 22

We're Joining Hacktoberfest 2025 🎉

#discuss #webdev #opensource #news

1 min read

Cover image for 90 Days of Code: Day 14 - Building a Beginner-Friendly Word Scramble Game with Python

momina raheel (Moona)

Sep 22

90 Days of Code: Day 14 - Building a Beginner-Friendly Word Scramble Game with Python

#programming #beginners #python #opensource

2 min read

Sep 22

Appendix: Visual Showcase of My Jekyll Theme - Gallery Features & File Explorer Navigation

#webdev #opensource #design #ruby

2 min read

Cover image for Open Source Culture

Sep 22

Open Source Culture

#opensource #beginners #tutorial #learning

2 min read

Jaskaran Deogan

Sep 22

Self-Hosting Listmonk with Coolify: Your Own Newsletter Platform in Minutes

#newsletter #selfhosting #opensource #marketing

4 min read

Lakshan Madushanka

Sep 21

Introduction to TrueReviewer: A Product Review Package for Laravel 🚀

#laravel #vue #opensource #webdev

2 min read

Garima Shrivastava

Sep 21

CMD Linux-Like Toolkit (Batch + PowerShell)

#cli #bash #opensource #linux

1 min read

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