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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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Abdul Rehman Khan

Aug 3 '25

The New Era of Self-Hosting: Why Developers Are Taking Back Control

#selfhosting #devops #privacy #opensource

3 min read

Apache SeaTunnel

Jul 30 '25

From Logs to Alerts: Mastering SeaTunnel's Event Listener Capabilities

#apacheseatunnel #opensource #techinicalwriting #programming

4 min read

Apache SeaTunnel

Jul 30 '25

New community contributions: X2SeaTunnel helps you migrate to SeaTunnel seamlessly!

#opensource #apacheseatunnel #datatransfer #bigdata

1 min read

Cover image for I Built faynoSync: A Self-Hosted API for Automatic App Updates

Serhii Kuianov for FaynoSync

Sep 1 '25

I Built faynoSync: A Self-Hosted API for Automatic App Updates

#go #api #opensource #development

2 min read

Jul 30 '25

Solving Redis pain in NestJS — introducing nestjs-redis toolkit

#nestjs #redis #opensource #node

2 min read

Nazwa Shabrina Zain

Jul 30 '25

Perintah Primer dan Sekunder Earl

#programming #opensource #earl #indonesia

2 min read

Sherin Jebamalar M

Sep 1 '25

🍔 I Accidentally Became a Restaurant Owner (In Electron.js)

#webdev #javascript #opensource #electron

2 min read

Cover image for I Built a GPT Model from Scratch in C++ (Runs on 2GB RAM!)

LumGenLab

Sep 1 '25

I Built a GPT Model from Scratch in C++ (Runs on 2GB RAM!)

#machinelearning #deeplearning #opensource #cpp

2 min read

Cover image for Stop Building Invoices. Give Your Users a React Design Studio Instead.

Jafran Jemal for AavanamKit

Aug 12 '25

Stop Building Invoices. Give Your Users a React Design Studio Instead.

#react #javascript #webdev #opensource

3 min read

Chen Debra

Jul 31 '25

Step-by-Step: Deploying a High Availability DolphinScheduler Cluster with Rainbond

#apchedolphinscheduler #opensource #rainbond #programming

2 min read

Cover image for 5 Ways to Improve Your Contributor Documentation

Riyana Patel for PullFlow

Jul 29 '25

5 Ways to Improve Your Contributor Documentation

#discuss #opensource #github #documentation

5 min read

Cover image for GSoC Week 8: Linting Upgrades, UI Redesigns & Simulator

Jul 29 '25

GSoC Week 8: Linting Upgrades, UI Redesigns & Simulator

#flutter #opensource #dart #rust

4 min read

Cover image for OpenAI Just Open-Sourced Their Brain (And It's Breaking Everything)

Sep 1 '25

OpenAI Just Open-Sourced Their Brain (And It's Breaking Everything)

#opensource #startup #ai #machinelearning

4 min read

Cover image for Throughput vs. Latency: The Optimization Dilemma

Aug 31 '25

Throughput vs. Latency: The Optimization Dilemma

#opensource #backend #performance #softwareengineering

6 min read

Cover image for Multidimensional Embedding Comparison with “diemsim”

Sep 1 '25

Multidimensional Embedding Comparison with “diemsim”

#datascience #programming #python #opensource

1 min read

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