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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 Hubstry-ISO_Code: Coding with Conscience from Brazil 🇧🇷

Guilherme Gonçalves Machado

Sep 24

Hubstry-ISO_Code: Coding with Conscience from Brazil 🇧🇷

#opensource #tooling #startup #security

2 min read

["Ilker":{...}]

Sep 25

🚀 Orbit OS – Authentication System + Theme Overhaul (Biggest Update Yet)

#opensource #javascript #node #nextjs

2 min read

ElshadHu

Oct 27

Code Analysis - Repomix

#cli #tooling #llm #opensource

2 min read

Saint

Sep 24

Building 'The Scroll of Dharma': A Technical Deep Dive into an Interactive Meditation Platform

#python #webdevstreamlit #opensource

5 min read

Oct 27

How I Diagnose PCs the Unconventional Way

#productivity #tutorial #opensource #softwaredevelopment

2 min read

Sep 24

Why I built Toolhover: free online tools that make everyday tasks easier

#productivity #webdev #tools #opensource

1 min read

Thanh Lam Hoang

Oct 8

Fine-tuning SmolAgents using Tools with Reinforcement Learning

#llm #ai #opensource #machinelearning

2 min read

Cover image for Why Contributing to Open Source Is a Great Skill to Have

Lovit

Sep 24

Why Contributing to Open Source Is a Great Skill to Have

#opensource #webdev #programming #git

1 min read

Cover image for Amnezia VPN: Простая установка вместо VDS/VPS)

JohnMcFly

Oct 28

Amnezia VPN: Простая установка вместо VDS/VPS)

#vpn #russian #tutorial #opensource

1 min read

Cover image for The Proof of Generality: A Deductive Argument for the Universality of HALE

Guilherme Gonçalves Machado

Sep 24

The Proof of Generality: A Deductive Argument for the Universality of HALE

#programming #opensource #softwaredevelopment

4 min read

Cover image for User Scanner : Find Your Perfect Username Across All Platforms in Seconds ⚡

kaifcodec

Oct 26

User Scanner : Find Your Perfect Username Across All Platforms in Seconds ⚡

#python #opensource #github #osint

2 min read

Oct 27

Building an O'Reilly Course Downloader with Python & Selenium

#python #selenium #automation #opensource

1 min read

Cover image for Building Together: Celebrating Open Source Community in Hacktoberfest 2025

Hacktoberfest: Open Source Reflections

Oct 17

Building Together: Celebrating Open Source Community in Hacktoberfest 2025

#devchallenge #hacktoberfest #opensource

3 min read

Cover image for Travel Hub – An Open-Source Community for Travel Lovers

Hacktoberfest: Maintainer Spotlight

gayathri j nair

Oct 27

Travel Hub – An Open-Source Community for Travel Lovers

#devchallenge #hacktoberfest #opensource #sideprojects

1 min read

Hacktoberfest: Contribution Chronicles

Rishabh

Oct 25

🧑🏻‍🚀My Hacktoberfest 2025 Journey: From Bug Fixes to Full-Stack Features

#devchallenge #hacktoberfest #opensource

8 min read

Cover image for SVAR Svelte Components Now with TypeScript Support

Olga T.

Sep 24

SVAR Svelte Components Now with TypeScript Support

#svelte #typescript #frontend #opensource

2 min read

Cover image for 🧩 Building a Powerful Multi-Threaded PDF Downloader with Tkinter and Python

Oct 26

🧩 Building a Powerful Multi-Threaded PDF Downloader with Tkinter and Python

#python #opensource #productivity #programming

3 min read

Niko zeng

Sep 24

SecretFlow 1.14.0 Release: A Lighter, More Streamlined Experience 🚀

#secretflow #privacycomputing #federatedlearning #opensource

2 min read

Cover image for They grow up so fast: donating your open source project to a foundation (or: the CloudNativePG story)

Oct 27

They grow up so fast: donating your open source project to a foundation (or: the CloudNativePG story)

#linux #cncf #postgres #opensource

10 min read

Cover image for Bruno vs Postman: Which API Client Should You Choose?

Abhijith P Subash

Sep 24

Bruno vs Postman: Which API Client Should You Choose?

#api #productivity #opensource #devtool

2 min read

Cover image for “SysNova Toolkit: Ethical, Modular Diagnostics for Windows & macOS — Built by a Self-Taught Technician”

Oct 27

“SysNova Toolkit: Ethical, Modular Diagnostics for Windows & macOS — Built by a Self-Taught Technician”

#opensource #automation #github #development

1 min read

Cover image for Terceiro fim de semana de Preptember 2025: Cores e IA no GitFichas

Jessica Temporal

Sep 23

Terceiro fim de semana de Preptember 2025: Cores e IA no GitFichas

#hacktoberfest #ai #git #opensource

5 min read

Cover image for “SysNova Toolkit: Ethical Diagnostics for Windows & macOS — Built by a Self-Taught Technician”

Oct 26

“SysNova Toolkit: Ethical Diagnostics for Windows & macOS — Built by a Self-Taught Technician”

#opensource #softwareengineering #software #developers

1 min read

Sep 24

The Coming Era of Composable Intelligence: Designing Abstractions Across LLMs

#webdev #programming #ai #opensource

6 min read

Oct 27

Created a weather app in python #python #beginners #showdev #opensource

#showdev #python #beginners #opensource

1 min read

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