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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 Build a Calorie Estimation App With Vision Agents

Emmanuel Aiyenigba

Nov 17

Build a Calorie Estimation App With Vision Agents

#agents #ai #opensource #tutorial

13 min read

Cover image for The State of Apache Iceberg, Polaris, and Arrow: October–November 2025

Nov 5

The State of Apache Iceberg, Polaris, and Arrow: October–November 2025

#news #dataengineering #database #opensource

7 min read

Cover image for Open Source as a Force Multiplier: How Small Fixes Scale Global Impact

Michael Uanikehi

Oct 19

Open Source as a Force Multiplier: How Small Fixes Scale Global Impact

#discuss #opensource #community #productivity

3 min read

Cover image for Frontend Devs: Weaponize Beauty. Build UIs That Command Respect

Nov 14

Frontend Devs: Weaponize Beauty. Build UIs That Command Respect

#frontend #opensource #webdev #cybersecurity

9 min read

Oct 13

A DNS server that offers useful utilities and services over the DNS protocol.

#showdev #go #opensource #sideprojects

1 min read

Cover image for Feature Release 0.54.0 of the GitHub Action for Checking Spelling

Nov 5

Feature Release 0.54.0 of the GitHub Action for Checking Spelling

#opensource #githubaction #release

1 min read

Cover image for From Problem to Product 🤔 : School Library Tracking System with Laravel v📚💻!

Nov 16

From Problem to Product 🤔 : School Library Tracking System with Laravel v📚💻!

#webdev #laravel #opensource #programming

2 min read

Oct 13

I've created an automated Github Maintainer

#programming #automation #go #opensource

1 min read

Laura Weatherhead

Nov 10

Umbraco in the City - Community, Code, and Cuddles

#webdev #ai #opensource

3 min read

Cover image for I Built A Free Developer Toolkit with 20+ Developer Tools

Oct 26

I Built A Free Developer Toolkit with 20+ Developer Tools

#webdev #developer #resources #opensource

1 min read

Nov 15

From Desktop Frustration to Internet Standard in 3 Months

#ai #opensource #webdev #productivity

3 min read

Cover image for Smart_Store: A Modern C++ API for Scalable Inventory and Object Management

Emmanuel Victor

Oct 25

Smart_Store: A Modern C++ API for Scalable Inventory and Object Management

#career #architecture #opensource #cpp

5 min read

Nov 13

🚨 Lighthouse: A Minimal PHP Framework That Actually Gets Out of Your Way

#php #webdev #opensource #performance

3 min read

Esteban Gallardo

Nov 4

Building a Digital Twin Office with Unity, WebGL, and AI — The Workflow Simulator Project

#gamedev #opensource #ai #webdev

1 min read

Cover image for A Pull Request to Purpose

Hacktoberfest: Open Source Reflections

Nov 2

A Pull Request to Purpose

#devchallenge #hacktoberfest #opensource #programming

2 min read

Cover image for 📢 New Series: Neuro-Symbolic Wednesday

Can Mingir for Centaur AI

Nov 5

📢 New Series: Neuro-Symbolic Wednesday

#ai #machinelearning #opensource #llm

1 min read

Cover image for My First Open Source Journey

Nivesh Padamata

Nov 2

My First Open Source Journey

#opensource #github #contribution #openai

5 min read

lsustc

Nov 4

I built an open-source AI browser that automates web tasks with natural language

#ai #opensource #browser #nextjs

4 min read

Cover image for Helios Engine v0.4.1: Level Up Your Rust LLM Agents with Smarter Forests and Broader Provider Support

Ammar

Nov 4

Helios Engine v0.4.1: Level Up Your Rust LLM Agents with Smarter Forests and Broader Provider Support

#rust #llm #agents #opensource

3 min read

Cover image for From Excitement to Silence: What Building My First Open Source Project Taught Me

Nov 2

From Excitement to Silence: What Building My First Open Source Project Taught Me

#learning #opensource

4 min read

Abhinav

Nov 15

Building Robust CI/CD Pipeline

#python #opensource #cicd

3 min read

joseph0926

Oct 16

Building FirstTx: A Different Approach to CSR Performance

#react #opensource

8 min read

Cover image for I Built a Voice-Controlled Plant Sitter in Python with Goose & Gemini CLI

Smyekh David-West

Nov 13

I Built a Voice-Controlled Plant Sitter in Python with Goose & Gemini CLI

#ai #python #opensource #tutorial

8 min read

Cover image for Phantom.Coin – an absolutely deterministic, rule-based L1 (DAG + aBFT, eUTXO). First building block of an open ecosystem.

Oct 26

Phantom.Coin – an absolutely deterministic, rule-based L1 (DAG + aBFT, eUTXO). First building block of an open ecosystem.

#blockchain #crypto #opensource #rust

3 min read

Oct 13

OSD600 Lab 5: Git rebases

#git #opensource #tutorial

1 min read

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