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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 A change in vision | Building Stocksimpy (Devlog 4)

Aug 27 '25

A change in vision | Building Stocksimpy (Devlog 4)

#programming #python #opensource #learning

3 min read

Sep 10 '25

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

#opensource #bitshift #ripple #constants

2 min read

nyaomaru

Sep 30 '25

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

#typescript #javascript #opensource #util

4 min read

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

Sep 29 '25

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

#hacktoberfest #opensource #webdev

2 min read

Cover image for Git Exposed!

Arma Sahar

Sep 30 '25

Git Exposed!

#coding #opensource #webdev #beginners

5 min read

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

Aug 27 '25

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

#bitcoin #opensource #sideprojects #webdev

1 min read

Agustin V. Startari

Sep 19 '25

The Hidden Empire of AI Grammar: Power Without Politicians

#ai #devops #react #opensource

3 min read

Sep 30 '25

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

#ui #portfolio #opensource #webdev

1 min read

Cover image for Here's How To Build Fullstack Agent Apps (Gemini, CopilotKit & LangGraph)

Anmol Baranwal for CopilotKit

Sep 16 '25

Here's How To Build Fullstack Agent Apps (Gemini, CopilotKit & LangGraph)

#programming #webdev #opensource #ai

19 min read

Cover image for 🚀 Build Edit Forms in React Faster with SVAR Editor

Olga T.

Sep 29 '25

🚀 Build Edit Forms in React Faster with SVAR Editor

#react #frontend #javascript #opensource

3 min read

Muhibbudin Suretno

Aug 29 '25

This is How I Automate the Tech Discovery Using LLMs

#ai #automation #nextjs #opensource

4 min read

Cover image for Get Started with Fastest SQL Query Engine - Presto C++ (Prestissimo): Beginner Friendly Setup Guide with Docker.

Saurabh Mahawar

Sep 29 '25

Get Started with Fastest SQL Query Engine - Presto C++ (Prestissimo): Beginner Friendly Setup Guide with Docker.

#opensource #queryengine #presto #dataengineering

5 min read

Cover image for Headless CMS Guide 2025, Part 2: Top platforms and how to choose the right one

Magdalena Sobantka for flotiq

Sep 9 '25

Headless CMS Guide 2025, Part 2: Top platforms and how to choose the right one

#webdev #flotiq #headlesscms #opensource

5 min read

Sep 29 '25

How to Run Mistral Locally Using Ollama

#opensource #llm #genai #localmodel

2 min read

Shinsuke KAGAWA

Sep 8 '25

From 49 to 95: How Prompt Engineering Boosted Gemini MCP Image Generation

#ai #promptengineering #mcp #opensource

5 min read

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